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Muscle test B 137
Term | Definition |
---|---|
Pectoralis Major Action | Flexes, adducts, and rotates humerus |
Pectoralis Major Nerve Supply | Pectoral Nerve |
Pectoralis Major Origin | Clavicle, sternum, and costal cartilages of upper ribs |
Pectoralis Major Insertion | Intertubercular groove of humerus |
Latissimus Dorsi Origin | spines of sacral, lumbar, lower thoracic vertebrae,iliac crest, and lower ribs |
Latissimus Dorsi Insertion | Intertubercular groove of humerus |
Latissimus Dorsi Action | Extends, adducts the arm, rotates humerus inwardly, or pulls shoulder downward and back |
Latissimus Dorsi Nerve Supply | Thoracodorsal Nerve |
Deltoid Origin | Acromion process, spine of scapula, and clavicle |
Deltoid Insertion | Deltoid tuberosity of humerus |
Deltoid Action | Abducts upper arm, extends humerus, or flexes humerus |
Deltoid Nerve Supply | Axillary Nerve |
Trapezius Nerve Supply | Accessory nerve |
Trapezius Action | Rotates scapula |
Trapezius Origin | Occipital bone, spines of cervical and thoracic |
Trapezius Insertion | Clavicle, spine, and acromion process of scapula |
Levator scapulae Origin | Transverse process of cervical vertebrae |
Levator scapulae Insertion | Medial margin of scapula |
Levator scapulae Action | Elevates scapula |
Levator scapulae Nerve supply | Dorsal scapular, C3-C5 nerves |
Teres Minor Origin | Lateral border of scapula |
Teres Minor Insertion | Greater tubercle of humerus |
Teres Minor Action | Rotates arm laterally |
Teres Minor Nerve Supply | Axillary nerve |
Extensor Carpi Radialis Longus Origin | Distal end of humerus |
Extensor Carpi Radialis Longus Insertion | Base of second metacarpal |
Extensor Carpi Radialis Longus Action | Extends wrist and abducts hand |
Extensor Carpi Radialis Longus Nerve Supply | Radial Nerve |
Serratus Anterior Origin | Outer surface of upper ribs |
Serratus Anterior Insertion | Ventral surface of scapula |
Serratus Anterior Nerve Supply | Long thoracic nerve |
Serratus Anterior Action | Pulls scapula anterior and downward |
Brachioradialis Origin | Distal lateral end of humerus |
Brachioradialis Insertion | Lateral surface of radius above styloid process |
Brachioradialis Action | Flexes arm at elbow |
Brachioradialis Nerve supply | Radial Nerve |
Pectoralis Minor Origin | Sternal ends of upper ribs |
Pectoralis Minor Insertion | Coracoid process of scapula |
Pectoralis Minor Action | Pulls scapula forward, downward, or raises ribs |
Pectoralis Minor Nerve Supply | Pectoral Nerve |
Infraspinatus Origin | Posterior surface of scapula |
Infraspinatus Insertion | Greater tubercle of humerus |
Infraspinatus Action | Rotates arm laterally |
Infraspinatus Nerve Supply | Suprascapular nerve |
Biceps Brachii Origin | Coracoid process and tubercle above glenoid cavity of scapula |
Biceps Brachii Insertion | Radial tuberosity of radius |
Biceps Brachii Action | Flexes arm at elbow and rotates hand laterally |
Biceps Brachii Nerve Supply | Musculocutaneous nerve |
Triceps Brachii Origin | Tubercle below glenoid cavity, lateral and medial surfaces of humerus |
Triceps Brachii Insertion | Olecranon process of ulna |
Triceps Brachii Action | Extends arm at elbow |
Triceps Brachii Nerve Supply | Radial nerve |
Supinator Origin | Lateral epicondyle of humerus and crest of ulna |
Supinator Insertion | Lateral surface of radius |
Supinator Action | Rotates forearm laterally |
Supinator Nerve Supply | Radial Nerve |
Pronator teres Origin | Medial epicondyle of humerus and coronoid process of ulna |
Pronator teres Insertion | Lateral surface of radius |
Pronator teres Action | Rotates arm medially |
Pronator teres Nerve Supply | Median Nerve |
Extensor digitorum Origin | Lateral epicondyle of humerus |
Extensor digitorum Insertion | Posterior surface of phalanges in fingers 2-5 |
Extensor digitorum Action | Extends fingers |
Extensor digitorum Nerve Supply | Radial Nerve |
Flexor digitorum profundus Origin | Anterior surface of ulna |
Flexor digitorum profundus Insertion | Bases of distal phalanges in fingers 2-5 |
Flexor digitorum profundus Action | Flexes distal joint of fingers |
Flexor digitorum profundus Nerve Supply | Median and ulnar nerves |
Flexor carpi radialis Origin | Medial epicondyle of humerus |
Flexor carpi radialis Insertion | Base of second and third metacarpals |
Flexor carpi radialis Action | Flexes and abducts wrist |
Flexor carpi radialis Nerve Supply | Median Nerve |
Subscapularis Origin | Anterior surface of scapula |
Subscapularis Insertion | Lesser tubercle of humerus |
Subscapularis Action | Rotates arm medially |
Subscapularis Nerve supply | Subscapular Nerve |