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Kinesiology
Ch 5, 6, 7, 4
| Question | Answer |
|---|---|
| Which muscle is a strong horizontal flexor (adductor) as well as flexor of the arm at the shoulder (GH) joint? | Anterior deltoids |
| Which muscle attaches on the medial shaft of the humerus and adducts the arm at the shoulder (GH) joint? | Coracobrachialis |
| Horizontal flexion (adduction) of the arm occurs in what anatomical plane? | transverse plane |
| Which muscles are in the rotator cuff group? | Supraspinatus, Infraspinatus, Subscapularis |
| If a muscle crosses the glenohumeral joint anteriorly with a vertical orientation to it's fibers, what action does it perform on the arm at that joint? | flexion of the arm at the glenohumeral joint |
| What is the term given for the muscular contraction when a muscle restrains or slows the movement of an opposing muscle? | eccentric contraction |
| The middle Deltoid's line of pull is vertical and lateral to the joint, so its action is in which anatomical plane? | frontal plane |
| Which actions does the Pectoralis major perform? | medial (internal) rotation and flexion of the arm at the glenohumeral joint |
| What action does the Infraspinatus perform on the arm at the shoulder (GH) joint? | lateral (external) rotation of the arm at the glenohumeral joint |
| Which muscle is not a member of the rotator cuff group? | Teres major |
| The sternocostal head of Pectoralis major's line of pull is in which plane? | oblique plane |
| Which muscle attaches distally (insertion) to the lesser tubercle of the humerus? | Subscapularis |
| Which statement describes the attachments of the Deltoids? | lateral clavicle, acromion process, the spine of the scapula, deltoid tuberosity of the humerus |
| Eccentric functions of the Pectoralis major are to restrain/slow: | lateral (external) rotation and extension of the arm at the glenohumeral joint |
| Which statement best describes the attachments of Supraspinatus? | supraspinous fossa of the scapula and the greater tubercle of the humerus |
| Which action does the Teres minor perform on the arm at the glenohumeral joint? | lateral (external) rotation of the arm at the glenohumeral joint |
| Supraspinatus is synergistic in abduction of the arm at the shoulder (GH) joint with which other muscle? | Deltoids (middle fibers) |
| Which muscles attach onto the lateral (axillary) border of the scapula? | Teres major and Teres minor |
| Because all the actions of Teres major mirror Latissimus dorsi, these two muscles are ....? | synergists |
| Which actions does Latissimus dorsi perform on the arm at the glenohumeral joint? | medial (internal) rotation, adduction and extension of the arm at the glenohumeral joint |
| In which action is Brachialis a prime mover? | flexion of the forearm at the elbow joint |
| What are the three heads of the Triceps brachii? | long, medial, lateral |
| If a client has had their arm bent at the elbow in a sling for an extended time, which muscle set (by action) would be hypertonic? | elbow flexors |
| Which statement best describes the attachments of Triceps brachii? | infraglenoid tubercle of the scapula, olecranon process of the ulna |
| If a muscle crosses the elbow joint posteriorly, what action does it perform? | extension of the forearm at the elbow joint |
| Which type of synovial joint are the radioulnar (RU) joints? | Pivot |
| Which action does the Brachioradialis perform? | flexion of the forearm at the elbow joint |
| Which actions does Biceps brachii perform? | flexion of thearm at the GH joint, flexion of the forearm at the elbow joint joint |
| If the muscle crosses the elbow joint anteriorly, what action does it perform? | flexion of the forearm at the elbow joint |
| Which muscle accounts for much of the visibility of the contour of the Biceps brachii? | Brachialis |
| Which statement best describes the attachments of Brachialis? | distal anterior shaft of the humerus, Ulnar tuberosity of the ulna |
| Which muscle is a synergist to Pronator teres in the action of pronation? | Pronator Quadratus |
| Which statement best describes the attachments of the Brachioradialis? | lateral supracondylar ridge of the humerus to the styloid process of the radius |
| Which muscles supinate the forearm at the radioulnar joint? | Supinator and Biceps brachii |
| Which of the following muscles supinates the forearm with the Supinator muscle? | Biceps brachii |
| Which muscles flex the forearm at the elbow joint? | Biceps brachii, Brachioradialis, Pronator teres |
| Which of the following muscles are synergistic to Brachioradialis? | Brachialis |
| What type of synovial joint is the elbow joint? | hinge, diarthrotic |
| Triceps brachii extends the shoulder and Biceps brachii flexes the shoulder. What is the term for this action relationship? | antagonistic |
| Supination/pronation takes place within which anatomical plane? | transverse |
| What is the connective tissue structure that covers the distal tendons of the wrist extensor called? | extensor retinaculum |
| Which muscles attach to the medial epicondyle via the common flexor tendon? | Flexor carpi ulnaris, Flexor carpi radialis, Pronator teres |
| Which statement best describes the attachments of the Flexor carpi ulnaris? | medial epicondyle of the humerus (via the common flexor tendon), ulnar hand on the anterior side |
| Which statement best describes the attachments of the Extensor carpi radialis longus? | lateral supracondylar ridge of the humerus, radial hand on the posterior surface |
| Which action does Flexor carpi ulnaris perform in the frontal plane? | ulnar deviation of the hand at the wrist |
| What pathology is defined as an "inflammation of the lateral epicondyle"? | lateral epicondylitis or "tennis elbow" |
| Radial and ulnar deviation of the hand at the wrist joint take place within which anatomical plane? | frontal |
| Which muscles attach onto the lateral epicondyle of the humerus (via the common extensor tendon)? | Supinator, Extensor carpi ulnaris |
| Which muscle of the wrist flexor group is commonly missing in the human population? | Palmaris longus |
| Which actions does Flexor carpi ulnaris perform? | flexion and ulnar deviation of the hand at the wrist |
| If a muscle crosses the wrist joint anteriorly, what action does it perform on the hand at the wrist joint? | flexion |
| If a muscle crosses the wrist posteriorly, what action does perform on the hand at the wrist joint? | extension of the hand at the wrist |
| What action does the Palmaris longus perform on the hand at the wrist joint? | wrinkle the skin on the palm of the hand |
| What is the brachial plexus nerve that is struck when you hit your "funnybone" at the elbow? | ulnar nerve |
| Which statement best describes the attachments of Palmaris longus? | medial epicondyle of the humerus (via the common flexor tendon), palm of the hand |
| Which two muscles are both antagonistic and synergistic in their actions? | Flexor carpi ulnaris, Extensor carpi ulnaris |
| If a muscle crosses the wrist joint laterally (radially), what action does it perform on the hand at the wrist joint? | radial deviation (abduction) of the hand at the wrist joint |
| What action does Extensor carpi radialis longus perform? | radial deviation (abduction) of the hand at the wrist joint |
| If a muscle crosses the wrist joint medially (ulnar side), what action does it perform on the hand at the wrist joint? | ulnar deviation (adduction) of the hand at the wrist joint |
| Which of the following muscles is synergistic with Extensor carpi radialis longus in the action of radial deviation of the hand at the wrist? | Flexor carpi radialis |
| Which action do the Rhomboids major and minor perform together? | retraction (adduction) of the scapula at the scapulocostal joint |
| Which statement best describes the attachments of the Levator Scapulae? | transverse processes of C1-4 and the medial border of the scapula |
| In which two actions is Trapezius antagonistic to itself? | elevation and depression of scapula |
| If the muscle attaches to the scapula and the other attachment is located more inferiorly (origin), the action of the scapula would be what? | depression of the scapula at the scapulocostal joint |
| Which action does the Levator scapula perform and in what anatomical plane? | downward rotation of the scapula at the scapulocostal joint in the frontal plane |
| If the muscle attaches to the scapula and the other attachment is located medially (origin), the action of the scapula would be what? | retraction (adduction) of the scapula at the scapulocostal joint |
| The Pectoralis minor is considered to be an accessory muscle of respiration due to which reverse action? | protraction of the scapula at the scapulocostal joint |
| Because of their attachments on the occiput or cervical vertebrae, which muscles would be lengthened (hypotonic) in a Forward head posture distortion? | Trapezius and Levator Scapulae |
| Which muscle is synergistic to Pectoralis minor in the action of scapular protraction (abduction)? | Serratus anterior |
| Which action does the Pectoralis minor perform on the scapula? | downward rotation of the scapula at the scapulocostal joint |
| Trapezius (lower fibers) is synergistic to Pectoralis minor in what action? | depression of the scapula at the scapulocostal joint |
| Levator scapula is a very strong mover of the scapula. What action does this muscle perform with the upper fibers of Trapezius? | elevation of the scapula at the scapulocostal joint |
| Which condition occurs due to compression of the brachial plexus nerves by Pectoralis minor? | brachial plexus syndrome |
| Which of the following muscles is synergistic to the Trapezius (middle fibers) in retraction (adduction) of the scapula? | Rhomboids major and minor |
| The lateral attachments (insertion) of the Trapezius are the same as the proximal attachments (origin) of which muscle? | deltoids |
| Which two muscles have a common attachment (insertion) of the medial border of the scapular? | Rhomboids and Levator scapula |
| Which actions do the upper fibers of Trapezius perform? | elevation and upward rotation of the scapula |
| If your client presents with a stooped posture from too much time at the computer, which scapular muscles would be hypertonic? | scapular depressors, scapular protractors |
| A common entrapment site for the brachial plexus and/or the subclavian artery is between the: | Pectoralis minor and the rib cage |
| Which statement best describes the medial attachments (origins) for the Trapezius muscle? | external occipital protuberance (EOP), nuchal ligament, spinous processes of C7 through T12 |
Created by:
Chermilofit