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Bony landmarks 9-13
Shoulder Joint/Girdle Wrist/Hands
| Question | Answer |
|---|---|
| Superior Angle of Scapula | Superior pointy aspect attachment for the levator scapula muscle |
| Inferior angle of scapula | Most inferior point where vertebral and axillary borders meet. This point determines scapular rotation |
| Vertebral Border of scapula | between superior and inferior angle in the middle, attachment for Rhomboid and Serratus Anterior |
| Axillary Border of scapula | Lateral side between glenoid fossa and inferior angle Provides attachment for Teres Major and Teres Minor |
| Spine of Scapula | Projection on posterior side of scapula, provides attachment for middle/lower trapezius |
| Coracoid Process of scapula | Projection on anterior surface provides attachment for pectoralis minor muscle and short head of biceps muscle |
| Acromion Process of scapula | Broad, flat area on superior lateral aspect, provides attachment for the upper trapezius muscle and origin for middle deltoid muscle |
| Glenoid fossa of scapula | Concave surface articulates with humerus on superior lateral side above axillary border+ below acromion process. Positioned in anterior,lateral, and upward direction |
| Clavicle | S Shape bone connects upper extremity to the axial skeleton sternoclavicular joint |
| Sternal end of clavicle | attaches medially to sternum |
| Acromial End of Clavicle | Attaches laterally to scapula and provides attachment for the upper trapezius muscle |
| Body of clavicle | area between two ends |
| Sternum manubrium | provides attachment for clavicle and 1st rib |
| Scapulohumeral Rhythm | 1st 30 degress if shoulder joint motion, 2:1 ratio of shoulder flexion or abduction |
| Scapular Winging | Serratus Anterior weakness |
| Force Couple muscles are | Upper trapezius (up), Lower trapezius (down), serratus anterior pulls outward |
| Shoulder joint arthrokinematic motion | Glides during flexion/extension |
| Glenoid labrum of scapula | Fibrocartilage ring attach to glenoid fossa |
| Subscapular Fossa of scapula | includes most the area around the anterior costal surface, provides attachment for subscapularis muscle |
| Infraspinous Fossa of Scapula | Below the spine, provides attachment for infraspinatus muscle |
| Supraspinatus fossa of scapula | Above the Spine, providing attachment for the Supraspinatus muscle |
| Humerus head | articulates with scapula |
| Greater Tubercle of Humerus | Large projection lateral to head and lesser tubercle, attachment for Supraspinatus, Infraspinatus, teres Minor Muscles |
| Lesser Tubercles of Humerus | Smaller projection on anterior surface, attachment for subscapularis muscle |
| Bicipital Groove of Humerus | (intertubercular groove) the longitudinal groove between the tubercles containing the tendon of the long head of the biceps |
| Biciptial Ridges of Humerus | crest of greater tubercle attachment for pectoralis major crest of the lesser tubercle attachment for latissimus dorsi+teres major |
| Adhesive capsulitis | refers to the inflammation and fibrosis of the shoulder joint capsule, leads to pain and loss of shoulder range of motion |
| Innervation of C5 C6 C7 | Main locations of Shoulder joint |
| Infraglenoid Tubercle of Scapula | lower lip of glenoid : attachment for long head of triceps muscles |
| Supraglenoid tubercle of Scapula | higher lip of glenoid: attachment for long head of biceps muscles |
| Spiral groove of humerus | mid humerus |
| Trochlea | articulates with ulna |
| Capitulum | articulates with head of radius |
| Medial Epicondyle of Humerus | provides attachment for pronator teres muscle |
| Lateral Epicondyle of Humerus | provides attachment for anconeus and supinator muscles |
| Olecranon Fossa of humerus | articulates with olecranon process of ulna |
| olecranon process of Ulna | posterior proximal end provides attachment for triceps muscle |
| Coronoid process of Ulna | below trochlear notch; provides attachment for brachialis muscle |
| Radial Notch of Ulna | articulation point for head of radius |
| Ulnar tuberosity | Below coronoid process; attachment for brachialis muscle |
| Radial Tuberosity of Radius | medial side near proximal end attachment for bicep muscles |
| styloid process of Radius | attachment for brachioradialis muscle |
| Annular ligament | attaches to the radial notch of ulna |
| Lateral Epicondylitis | Tennis Elbow overuse of the common extensor tendon |
| medial epicondylits | golfers elbow, tenderness over medial epicondyle |
| little league elbow | cause by repetitive throwing |
| pulled elbow or nursemaids elbow | sudden strong traction force of the arm; seen mostly in young children |
| styloid process of wrist | attachment for collateral ligaments |
| Hook of Hamate | attachment for transverse carpal ligament |
| Medial Epicondyle of wrist | located on distal side medial side of humerus; attachment common flexor tendon |
| Lateral Epicondyle of Wrist | common extensor tendon |
| Lateral Supracondylar Ridge Wrist | Attachment for Extensor carpi radialis longus |
| Radial Deviation consist of | Extensor Carpi Radialis Longus Extensor Carpi Radialis Brevis Flexor Carpi Radialis |
| Wrist extension | Extensor Carpi Radialis Longus Extensor Carpi Radialis Brevis Extensor carpi Ulnaris |
| Ulnar Deviation | Extensor Carpi Ulnaris Flexor Carpi Ulnaris |
| Wrist Flexion | Flexor Carpi Radialis Flexor Carpi Ulnaris |
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