kinesiology 4
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The Glenohumeral joint is triaxial... T or F | T
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This joint has a lot of mobility, but is relatively unstable | Glenohumeral Joint
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The shoulder can be broken down into 4 component parts or joints. S, A, G, S | 1. Sternoclavicular (SC) Joint, 2. Acromioclavicular (AC)Joint, 3. Glenohumeral Joint, 4. Scapulothoracic Articulation.
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Provides the shoulder girdle with its only direct attachment to the trunk | Sternoclavicular joint
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Plane‐shaped synovial joint with an articular disk | sternoclavicular joint
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Motions occur in three planes and accompany the motions of the shoulder girdle | sternoclavicular joint
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Connects the acromion process of the scapula with the lateral end of the clavicle | Acromioclavicular Joint
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It is a plane shaped synovial joint with three planes of motion | Acromioclavicular joint, Motions are minimal but important to normal shoulder motion
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Provides stability and allows the scapula to be suspended by the clavicle | Coracoclavicular Ligament
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Forms a protective arch over the head of the humerus, provides support to the head when an upward force is transmitted along the humerus | Coracoacromial ligament
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The scapula glides on the thorax and is attached to the thorax both by muscles, and through the clavicle to the sternum | Scapulothoracic joint
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Shoulder Girdle Motions (7) | Protraction/Retraction, Elevation/Depression, Upward Rotation, Downward Rotation, Scapular Tilt
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Glenohumeral motions MUST be accompanied by | Scapular Motions
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When there is flexion or abduction of the glenohumeral joint There must also be? | upward rotation of the scapula
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•Occurs when shoulder goes into hyperextension | Scapular Tilt , Superior end of the scapula tilts anteriorly and the inferior end tilts posterior
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Glenohumeral Joint Companion Motions When there is extension or | adduction of the shoulder joint The scapula returns to anatomical position (rotates downward)
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What is the orgin of the Upper Trapezius | Occipital Bone, nuchal ligament
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What is the insertion of the Upper Trapezius | Outer third of clavicle, acromion process
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What is the action of the Upper Trapezius | Scapular Elevation & Upward Rotation
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What is the nerve of the Upper Trapezius | Spinal Accessory N. (CN XI)
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What is the orgin of the Middle Trapezius | Spinous Processes of C7‐T3
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What is the insertion of the Middle Trapezius | Scapular Spine
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What is the action of the Middle Trapezius | Scapular Retraction
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What is the nerve of the Middle Trapezius | Spinal Accessory N.(CN XI)
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What is the orgin of the Lower Trapezius | Spinous processes of middle & lower thoracic vertebrae
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What is the insertion of the Lower Trapezius | Base of scapular spine
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What is the action of the Lower Trapezius | Scapular depression & upward rotation
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What is the nerve of the Lower Trapezius | Spinal Accessory N. (CN XI)
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What is the orgin of the Levator Scapula Muscle | Transverse processes of C1‐C4
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What is the insertion of the Levator Scapula Muscle | Vertebral border of scapula between the superior angle and spine
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What is the action of the Levator Scapula Muscle | Scapular elevation and downward rotation
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What is the nerve of the Levator Scapula Muscle | 3rd and 4th cervical nerves and Dorsal Scapular Nerve (C5)
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What is the orgin of the Rhomboid Major & Rhomboid Minor | Spinous processes of C7‐T5
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What is the insertion of the Rhomboid Major & Rhomboid Minor | Vertebral border of scapula between the spine and inferior angle
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What is the action of the Rhomboid Major & Rhomboid Minor | Scapular retraction, elevation, and downward rotation
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What is the nerve of the Rhomboid Major & Rhomboid Minor | Dorsal Scapular Nerve (C5)
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What is the orgin of the Serratus Anterior | Lateral surface of the upper eight ribs
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What is the insertion of the Serratus Anterior | Vertebral border of the scapula, anterior surface
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What is the action of the Serratus Anterior | Scapular protraction and upward rotation
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What is the nerve of the Serratus Anterior | Long thoracic nerve (C5, C6, C7)
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What is the orgin of the Pectoralis Minor Muscle | Anterior surface, 3rd‐5th ribs
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What is the insertion of the Pectoralis Minor Muscle | Coracoid process of the scapula
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What is the action of the Pectoralis Minor Muscle | Scapular depression, protraction, downward rotation, tilt
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What is the nerve of the Pectoralis Minor Muscle | Medial pectoral nerve (C8, T1)
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Scapulothoracic Rhythm; The first 30° of humeral elevation is at the what joint | glenohumeral joint
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For every 2° of shoulder elevation, the scapula must upwardly rotate | 1°
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5 Muscles are primarily responsible for moving the scapula | Trapezius Levator, Scapula, Rhomboids, Serratus Anterior, Pectoralis Minor
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muscles pulling in different directions to accomplish the same Motion | Force Couple
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Prime Movers for Upward Rotation | Upper and lower trapezius, serratus anterior
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Prime movers for Downward Rotation | Rhomboids, levator scapula, pectoralis minor
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Prime movers for Scapular Tilt | Pectoralis Minor
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If the insertion of the muscle is stabilized, the origin will move toward the insertion | Reversal of Muscle Action
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One of the most mobile and least stable joints in the body | glenohumeral joint
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Glenoid Fossa is positioned in an anterior, lateral, and upward direction | glenohumeral joint
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Attaches around the rim of the glenoid fossa of the scapula and the anatomical neck of the humerus | shoulder Joint Capsule
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A ring of fibro cartilage that surrounds the rim of the glenoid fossa; Its function is to deepen the articular cavity | Glenoid Labrum
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What is the orgin of the Anterior Deltoid | Lateral third of the clavicle
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What is the insertion of the Anterior Deltoid | Deltoid Tuberosity
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What is the action of the Anterior Deltoid | Shoulder abduction, flexion, internal rotation, and horizontal adduction
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What is the nerve of the Anterior Deltoid | Axillary nerve (C5, C6)
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What is the orgin of the Middle Deltoid | Acromion Process
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What is the insertion of theMiddle Deltoid | Deltoid Tuberosity
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What is the action of the Middle Deltoid | Shoulder abduction
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What is the nerve of the Middle Deltoid | Axillary nerve (C5, C6)
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What is the orgin of the Posterior Deltoid | Spine of the Scapula
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What is the insertion of thePosterior Deltoid | Deltoid Tuberosity
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What is the action of the Posterior Deltoid | Shoulder abduction, Extension, external rotation, horizontal abduction
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What is the nerve of the Posterior Deltoid | Axillary nerve (C5, C6
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Separated into clavicular & sternal Portions | Pectoralis Major
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Clavicular Portion | O: Medial Lip of the clavicle I: Lateral lip of the bicipital groove of the humerus A: Shoulder Flexion: First 60
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• Sternal Portion | O: Sternum, Costal Cartilage of first six Ribs I: Lateral lip of the bicipital groove of the humerus, A: Shoulder Extension – first 60 (from180 ‐120 )
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• Clavicular & Sternal Portions | A: Shoulder adduction, internal rotation, horizontal adduction N: Lateral and Medial Pectoral nerves (C5,6,7,8,T1)
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What is the orgin of the Latissimus Dorsi | Spinous processes of T7‐ L5 (via dorsolumbar fascia), posterior surface of sacarum, iliac crest, and lower three ribs
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What is the insertion of theLatissimus Dorsi | Medial lip of the bicipital groove of the humerus
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What is the action of the Latissimus Dorsi | Shoulder Extension, adduction, internal rotation
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What is the nerve of the Latissimus Dorsi | Thoracodorsal N (C6‐8)
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What is the orgin of the Teres Major | Axillary border of the scapula near the inferior angle
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What is the insertion of theTeres Major | Crest below the lesser tubercle next to the latissimus dorsi attachment
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What is the action of the Teres Major | Shoulder extension, adduction, and internal rotation
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What is the nerve of the Teres Major | Subscapular nerve (C5,6)
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What is the orgin of the Supraspinatus | Supraspinous fossa of the scapula
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What is the insertion of the Supraspinatus | Greater tubercle of the humerus
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What is the action of the Supraspinatus | Shoulder Abduction
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What is the nerve of the Supraspinatus | Suprascapular nerve (C5,C6)
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What is the orgin of the Infraspinatus | Infraspinous fossa of the scapula
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What is the insertion of theInfraspinatus | Greater tubercle of humerus
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What is the action of the Infraspinatus | Shoulder external rotation, horizontal abduction
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What is the nerve of the Infraspinatus | Suprascapular nerve (C5, 6)
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What is the orgin of the Teres Minor | Axillary border of the scapula
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What is the insertion of the Teres Minor | Greater tubercle of the humerus
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What is the action of the Teres Minor | Shoulder external rotation, horizontal abduction
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What is the nerve of the Teres Minor | Axillary nerve (C5,6)
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What is the orgin of the Subscapularis | Subscapular fossa of the scapula
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What is the insertion of the Subscapularis | Lesser tubercle of the humerus
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What is the action of the Subscapularis internal | Shoulder internal rotation
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What is the nerve of the Subscapularis, 56 | Subscapular nerve (C5,6)
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What is the orgin of the "Coraco"brachialis | Coracoid process of the scapula
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What is the insertion of the Coracobrachialis, M-ofthe h |.| | Medial surface of the humerus near the midpoint
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What is the action of the Coracobrachialis | Stabilizes the shoulder joint
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What is the nerve of the Coracobrachialis, simons | Musculocutaneous nerve (C6,7)
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Uniaxial hinge joint | elbow joint
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Medial humeral epicondyle to medial coronoid process & olecranon process | Medial collateral ligament
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"Lateral" humeral epi"co"ndyle to lateral ulna and annular ligament | Lateral collateral ligament
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Head of radius "p"ivots within the "radial" notch of the ulna is what joint | Proximal radioulnar joint
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Ulnar notch of the "radi"us rotates around the head of the ulna what joint? DRJ | Distal radioulnar joint
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Allow Pronation and Supination of the forearm, ==0==bk4th Joint | Uniaxial pivot Joint
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Helps hold together radioulnar joints,~~~ | Interosseous membrane
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Angle formed by the humerus and forearm in anatomical position, 5 degrees in men 10‐15 degrees in women | Carrying Angle
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The orgin of the Brachialis D-1/2-H >- | Distal half of humerus, anterior surface
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The insertion of the Brachialis, Core----ut | Coronoid process and ulnar tuberosity
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The action of the Brachialis | Elbow Flexion
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The nerve of the Brachialis | Musculocutaneous nerve (C5,6)
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The orgin of the Biceps Brachii Long: SGT-s Short: (000)----- | Long head – supraglenoid tubercle of scapula; Short head – coracoid process
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The insertion of the biceps bRachii | Radial tuberosity of radius
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The action of the Biceps Brachii | Elbow flexion, forearm supination
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The nerve of the Biceps Brachii M56 | Musculocutaneous nerve (C5, C6)
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The orgin of the Brachioradialis, [^condylar--h | Lateral supracondylar ridge of humerus
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The in"Ser`Tion of the Brachio"radialis,--- | Styloid process of the radius
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The action of the Brachioradialis | Elbow Flexion
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The nerve of the Brachio"radial"is 56 | Radial Nerve (C5, C6)
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The orgin of the Triceps brachii long head: IFG-T-S lateral head: | Long head – infraglenoid tubercle of scapula – Lateral head – posterior humerus inferior to greater tubercle – Medial head – Posterior surface of humerus
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The insertion for the Triceps brachii/pew | Olecranon process of ulna
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The action of the Triceps brachii, )( | Elbow extension
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The nerve of the 7riceps bR8chii | Radial Nerve (C7, C8)
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The orgin of the Anconeus/side/upper/circle/arm) | Lateral epicondyle of humerus
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The insertion of the Anconeus/pew | olecranon process of ulna
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The action of the Anconeus, not optimus, hELps | Not a prime mover, assists with elbow extension
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The nerve of the Anconeus R78 | Radial Nerve (C7, C8)
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The orgin of the Pronator ,[eh] C000D----U | Medial epicondyle of humerus and coronoid process of ulna
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The insertion of the Pronator teres [aspectR[]. | Lateral aspect of radius at its midpoint
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The action of the Pronator (teres ) | forearm pronation, assists with elbow flexion
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The nerve of the Pronator teres, |67 | Median nerve (C6, C7)
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The orgin of the Pronator quaD#r#atUs | Distal one‐fourth of ulna
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The insertion of the Pronator qua"d"#r#atus | Distal one‐fourth of radius
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The action of the Pronator quadratus | forearm pronatioin
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The nerve of the Pron\ator qu8dra1us, | Median nerve (C8, T1)
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The orgin of the Supinator,[\u | lateral epicondyle of humerus and adjacent ulna
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The insertion of the Supinator,>pr | anterior surface of the proximal radius
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The action of the Supinator | Forearm supination
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The nerve of the Supinator, Showtime | Radial Nerve (C6)
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Ulna slides posterior to distal end of humerus | Elbow Dislocation
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One of the most common ("^0=0")fractures in children Caused by fall on outstretched hand | Supracondylar fractures
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One of the most complex joint of the body | the wrist
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The wrist has 2 joints,Ron[]car | radiocarpal joint and the midcarpal joints
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Distal end of "radi"us and radionulnar disk proximally and the scaphoid, lunate and triquetrum distally (biaxial joint) | radiocarpal joint
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Palmar fascia covers and protects | tendons of the hand
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"Anterior" => Muscles of the wrist all attach on the | medial epicondyle of humerus
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"Pos"ter"ior" muscles of the wrist all attach on the | lateral epicondyle of the humerus
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What is the orgin of the (Flexor) carpi ulnaris | Medial epicondyle of humerus
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What is the insertion of the Flexor carpi ulnaris, .&_5 | pisiform and base of 5th metacarpal
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What is the action of the "Flex"or carpi "ulnaris => | wrist flexion, ulnar deviation
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What is the nerve of the Flexor c8rp1 "ulnaris, | ulnar Nerve C8, T1
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What is the orgin of the (flexor) carpi radialis | medial epicondyle of humerus
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What is the insertion of the flexor carpi radialis,_2n3 | base of the 2nd and 3rd metacarpal
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What is the action of the "flex"or carpi "radial"is | wrist flexion, radial deviation
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What is the nerve of the (flexor) carpi radialis, simons | Median Nerve C6, C7
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What is the orgin of the palmaris] longus | Medial epicondyle of humerus
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What is the insertion of the "palmar"is longus | palmar fascia
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What is the action of the "palm"aris "long"us, helps | Assist in wrist flexion
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What is the nerve of the palMaris longus,ryan | Median Nerve C6, C7
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What is the orgin of the Extensor carpi radialis "L"ongus | lateral epicondyle of humerus
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What is the insertion of the Extensor carpi radialis longus, _2 | base of 2nd metacarpal
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What is the action of the "Ex"tensor carpi "rad"ialis longus | wrist extension, radial deviation
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What is the nerve of the Extensor carpi Radialis longus, simons | Radial Nerve C6,C7
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What is the orgin of the [Extensor carpi radialis brevis | lateral epicondyle of humerus
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What is the insertion of the Extensor carpi radialis brevis, _3 | base of 3rd metacarpal
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What is the action of the "Ext"ensor carpi radialis brevis | wrist extension
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What is the nerve of the Extensor carpi radialis bRevis,67 | radial nerve C6, C7
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What is the orgin of the [Extensor Carpi Ulnaris | lateral epicondyle
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What is the insertion of the Extensor Carpi Ulnaris,_5 | base of 5th metacarpal
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What is the action of the Extensor Carpi Ulnaris -> | wrist extension, ulnar deviation
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What is the nerve of the Extensor" Carpi Ulnaris,678 | radial Nerve C6, C7, C8
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It is the key point of function for the upper extremity | the hand
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Main purpose of other joints of the U/E is to place the hand in various positions | the hand
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Saddle joint, trapezium bone artiCulating with the thuMb metaCarpal | CMC Joint
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Nonaxial plane synovial joints | cmc
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More stability than mobility | cmc
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5th cmc is most ? | mobile of the fingers
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Uniaxial (flexion/extension) | Thumb MCP
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"Bi""axial" (M)condyloid joints | Finger 2-5 MCP
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Uniaxial hinge joints | IP
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Distal, fingers 2-5 | DIP
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Proximal, fingers 2-5 | PIP
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"Fibrous band that spans the wrist on the anterior surface of the wRist | flexor retinaculum
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main function is to hold the "Flexor tendons close to the wrist, preventing tendons from pulling away from the wRist | Flexor retinaculum
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attaches =to= pisiform & hook of the hamate on the medial side and to the scaphoid and the trapezium | transverse carpal ligament
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Arches of the carpal bones forming a 0=TunneL=0 through which the median nerve and 9 flexor tendons of the fingers & thumb pass | Transverse carpal ligament
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Fibrous band travErsing the wRist on the posterior side | extensor Retinaculum
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Holds the (extensor) tendons close to the wRist, especially during wrist extension, | Extensor Retinaculum
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Small, Trianglular shaped flat aponeurosis covering of the dorsum and sides of the proximal phalanx of the fingers, AKA (extensor) --hood--L | Extensor Expansion Ligament
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Formed by Proximal end of the metaCarpals and the carpal bones, maintained by the flexor retinaculum | proximal Carpal Arch
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FormeD by the metaCarpal heads | distal carpal Arch
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PerpendicuLar to the other 2 arches, this one begins at the wrist and runs the length of the metacarpal and phalanges for each digit. | longitudinal arch
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These muscles cross the wrist and hand | extrensic
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These muscles do not cross the wrist | intrinsic
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What is the orgin of the Flexor Digitoru(m) sup(e)rfi(c)ialis, &r | Medial epicondyle of humerus, coronoid process, and radius
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What is the insertion of the Flexor Digitorum superficialis [-]p4 | middle phalanx of the 4 fingers
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What is the action of the Flexor Digitoru(m) su(p)erficialis, | flexion MCP and PIP joints
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What is the nerve of the Flexor Digitoru(m) superficialis,781 | Median Nerve C7 C8 T1
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What is the orgin of the Flexor Digitorum Profundus,^^^/^^^^u | upper 3/4ths of the ulna
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What is the insertion of the Flexor (D)igitorum (P)rofundus, 4f | distal phalalnx of the 4 fingers
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What is the action of the Flexor Digitorum (Pro)fundus | flexion all 3 joints of the fingers
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What is the nerve of the Flexor Digitoru(m) Prof(u)ndus,81 | median nerve and ulnar nerves C8, T1
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What is the orgin of the [Extensor digitorum | lateral epicondyle of the humerus
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What is the insertion of the Extensor_(d)igitorum,p 2-5 | base of the distal phalanx fingers 2-5
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What is the action of the Ex(t)ensor digitorum | extends all 3 joints of the fingers
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What is the nerve of the Extenso(r)digitorum,678 | radial nerve C6, C7, C8
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What is the orgin of the Extensor in(d)icis m(u)scle | Distal ulna
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What is the insertion of the Extensor_indicis(d)p2) muscle | base of the distal phalanx of the second finger
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What is the action of the Extensor 1nd2c3s muscle | Extends all 3 joints of the second finger
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What is the nerve of the Extensor indicis muscle, r678 | Radial nerve C6, C7, C8
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What is the orgin of the Extensor digiti minimi, [()h | Lateral epicondyle of the humerus
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What is the insertion of the Extensor digiti minimi,_dp | base of the distal phalanx of the 5th finger
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What is the action of the Extensor digiti minimi, 3 | extends all 3 joints of the 5th finger
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What is the nerve of the Extensor digiti minimi,r678 | Radial nerve C6, C7, C8
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What is the orgin of the Flexor pollicis longus, r> | radius, Anterior surface
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What is the insertion of the Flexor pollicis longus, dp | Distal Phalanx of the thumb
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What is the action of the Flexor pollicis longus, 3 | flexes all 3 joints of the thumb
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What is the nerve of the Flexor pollicis longus, m81 | median Nerve C8,T1
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What is the orgin of the abductor pollicis longus, | Posterior radius
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What is the insertion of the abductor pollicis longus,_1m | base of the 1st metacarpal
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What is the action of the abductor pollicis longus | abducts thumb
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What is the nerve of the abductor pollicis longus r67 | radial nerve C6, C7
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What is the orgin of the Extensor Pollicis Brevis, pdu | posterior distal radius
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What is the insertion of the Extensor Pollicis Brevis,_pp | base of proximal phalanx of thumb
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What is the action of the Extensor Pollicis Brevis, Ecm | extends CMC and MCP joints of thumb
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What is the nerve of the Extensor Pollicis Brevis R67 | radial nerve C6, C7
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What is the orgin of the Extensor pollicis lungus, {m} | middle posterior ulna and interosseous membrane
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What is the insertion of the Extensor pollicis lungus, _dp | base of distal phalanx of the thumb
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What is the action of the Extensor pollicis lungus, 3 | extends all 3 joints of thumb
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What is the nerve of the Extensor pollicis lungus, r678 | radial nerve C6, C7, C8
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What is the orgin of the Flexor pollicis brevis, ^fr | trapezium and flexor retinaculum
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What is the insertion of the Flexor pollicis brevis,pp | Proximal phalanx
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What is the action of the Flexor pollicis brevis cm | flexes the CMC and MCP joints of thumb
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What is the nerve of the Flexor pollicis brevis m67 | median Nerve C6, C7
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What is the orgin of the Abductor Pollicis brevis, #^fr | scaphoid, trapezium, and flexor retinaculum
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What is the insertion of the Abductor Pollicis brevis,pp | proximal phalanx
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What is the action of the Abductor Pollicis brevis | Abducts the thumb
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What is the nerve of the Abductor Pollicis brevis,m67 | median nerve C6, C7
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What is the orgin of the Flexor Digiti Minimi, drink n fr | hamate and flexor retinaculum
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What is the insertion of the Flexor Digiti Minimi, _pp5 | base of proximal phalanx of the 5th finger
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What is the action of the Flexor Digiti Minimi, cm5 | flexes cmc and mcp joints of the 5th finger
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What is the nerve of the Flexor Digiti Minimi, u81 | ulnar nerve C8, T1
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What is the Action of the opponens pollicis | opposes the thumb
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What is the Action of the adductor pollicis | adducts thumb
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What is the Action of the Adductor digiti minimi,m5 | Adducts the MCP joint of the 5th finger
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What is the Action of the opponens digiti minimi o5 | opposes the 5th finger
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What is the Action of the dorsal Interossei, V | abducts fingers
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What is the Action of the palmar interossei, o5m | opposes the 5th finger at MCP joint
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What is the Action of the lumricals,Fm, Ep&d | flex the mcp joint while extending the PIP and DIP joints
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