Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
31 Cards in this Set
- Front
- Back
|
Sternocleidomastoid |
Action: flexes, laterally flexes (abducts), & rotates head to opposite side Origin: clavicle and manubrium Insertion: mastoid process of temporal bone |
|
|
Upper Trapezius |
Action: extends head if middle is stabilized or elevates shoulder girdle Origin: occipital protuberance of occipital bone, c7-t12 spinous processes Insertion: clavicle, acromion process, and spine of scapula |
|
|
Middle Trapezius |
Action: adducts (retracts) and stabilizes scapula Origin: occipital protuberance of occipital bone, c7-t12 spinous processes Insertion: clavicle, acromion process, and spine of scapula
|
|
|
Lower Trapezius |
Action: depresses scapula and shoulder girdle (shrug shoulder) Origin: occipital protuberance of occipital bone, c7-t12 spinous processes Insertion: clavicle, acromion process, spine of scapula |
|
|
Levator Scapulae |
Action: elevates scapula Origin: c1-c4 transverse processes Insertion: superior angle of scapula |
|
|
Rhomboid Minor |
Action: retracts (adducts) scapula Origin: c7-t1 spinous processes Insertion: medial (vertebral) border of scapula superior to spine |
|
|
Rhomboid Major |
Action: retracts (adducts) scapula Origin: t2-t5 spinous processes Insertion: vertebral (medial) border of scapula inferior to spine |
|
|
Pectoralis Minor |
Action: depresses scapula, elevates 3-5 ribs Origin: 3-5 ribs Insertion: coracoid process of scapula |
|
|
Serratus Anterior |
Action: protracts (abducts) scapula Origin: upper 8 ribs (on top of ribs and wraps around) Insertion: subscapular fossa of scapula at inferior angle |
|
|
Latissimus Dorsi |
Action: adducts, extends, and medially rotates shoulder Origin: t7-l5 spinous processes, sacrum Insertion: intertubercular groove of humerus |
|
|
Latissimus Dorsi |
Action: adducts, extends, and medially rotates shoulder Origin: t7-l5 spinous processes, sacrum Insertion: intertubercular groove of humerus |
|
|
Teres Major |
Action: extends shoulder Origin: axillary (lateral) border of scapula Insertion: intertubercular groove of humerus |
|
|
Pectoralis Major |
Action: medial rotation, horizontally flexes shoulder (horizontal adduction) Origin: clavicle, sternum, true ribs and related costal cartilage Insertion: intertubercular groove of humerus |
|
|
Coracobrachialis |
Action: flexion and adduction of the shoulder Origin: coracoid process of scapula Insertion: medial portion of humeral shaft |
|
|
Deltoid |
Action: abducts shoulder Origin: clavicle, acromion process, and spine of scapula Insertion: deltoid tuberosity of humerus |
|
|
Supraspinatus |
Action: abducts shoulder Origin: supraspinous fossa of scapula Runs underneath acrom proc Insertion: greater tubercle of humerus Rotator cuff |
|
|
Infraspinatus |
Action: laterally rotates shoulder Origin: Infraspinous fossa of scapula Insertion: greater tubercle of humerus Rotator cuff |
|
|
Teres Minor |
Action: laterally rotates shoulder Origin: axillary (lateral) border of scapula Insertion: greater tubercle of humerus Rotator cuff |
|
|
Subscapularis |
Action: medially rotates shoulder and stabilizes Origin: Subscapular fossa of scapula Insertion: lesser tubercle of humerus Rotator cuff |
|
|
What muscles make up the rotator cuff? |
Subscapularis, supraspinatus, infraspinatus, and teres minor |
|
|
Biceps brachii |
Action: flexes elbow, flexes shoulder, supinates radioulnar joint Origin: coracoid process and supraglenoid Insertion: Radial tuberosity of radius |
|
|
Brachialis |
Action: flexes elbow (primary when hand pronated) Origin: anterior medial shaft of humerus Insertion: coronoid process of ulna |
|
|
Brachioradialis |
Action: flexes elbow (primary when hand is neutral) Origin: lateral supracondylar ridge of humerus Insertion: styloid process of radius |
|
|
Triceps Brachii |
Action: extends elbow, extends shoulder Origin: Infraglenoid tubercle, posterior humeral shaft Insertion: olecranon process of ulna |
|
|
Pronator Teres |
Action: pronates radioulnar joint Origin: medial epicondyle of humerus Insertion: proximal 1/3 radius |
|
|
Flexor carpi radialis |
Action: flexes wrist, radial deviation, 2-3 metacarpal Origin: medial epicondyle of humerus Insertion: 2-3 metacarpal |
|
|
Flexor carpi ulnaris |
action: flexes wrist, ulnar deviation origin: medial epicondyle of humerus insertion: pisiform, hamate, and 5th metacarpal |
|
|
Supinator |
Action: supinates radioulnar joint Origin: lateral epicondyle of humerus Insertion: proximal 1/3 radius |
|
|
extensor carpi radialis longus |
Action: extends wrist, radial deviation Origin: lateral epicondyle of humerus Insertion: 2nd metacarpal |
|
|
extensor carpi radialis brevis |
Action: extends wrist, radial deviation Origin: lateral epicondyle of humerus Insertion: 3rd metacarpal |
|
|
Extensor carpi ulnaris |
Action: extends wrist, ulnar deviation Origin: lateral epicondyle of humerus Insertion: 5th metacarpal |
