MOINA Flashcards
(66 cards)
Coracobrachialis
O- coracoid process of scapula
I- midshaft of humerus
N-musculocutaneous nerve
A- adducts arm and flexes shoulder
deltoid
O- clavicle, acromion process, and scapular spine
I- deltoid tuberosity
N- axillary nerve
A- shoulder flexion and extension; arm abduction; arm rotation (medially and laterally)
supraspinatus
O- supraspinous fossa
I- greater tubercle of humerus
N- suprascapular nerve
A- assist deltoid muscle in abducting arm at shoulder joint
infraspinatus
O- infraspinous fossa
I- greater tubercle of humerus
N- suprascapular nerve
A- laterally rotates arm at shoulder joint
teres minor
O- inferior lateral border of scapula
I- greater tubercle of humerus
N- axillary
A- laterally rotates and extends arm at shoulder joint
subscapularis
O- subscapular fossa
I- lesser tubercle of hemerus
N- upper and lower subscapular nerve
A- medially rotates arm at shoulder joint
teres major
O- inferior angle of scapula
I- medial lip of intertubercular sulcus of humerus
N- lower subscapular nerve
A- arm extension at shoulder joint ; assist in adduction and medial rotation of arm at shoulder joint
trapezius
O- occipital bone ; ligamentum nuchae, and spines of c7-t12
I- clavicle, acromion, and spine of scapula
N- cranial nerve IX
A- upper fibers elevate the scapula; middle fibers pull scapula medially; lower fibers pull medial border of scapula downward
levator scapulae
O- transverse processes of c1-c4
I- medial birder of scapula
N- c3 and c4 and dorsal scapular nerve
A- raises medial border of scapula
rhomboid major
O- T2-T5
I- medial border of scapula
N- dorsal scapular nerve
A- raises medial border of scapula upward and medially
rhomboid minor
O- ligamentum nuchae and spines of c7-t1
I- medial border of scapula
N- dorsal scapular nerve
A- raises medial border of scapula upward and medially
brachialis
O- distal, anterior surface of humerus
I- coronoid process of ulna
N- musculocutaneous nerve
A- flexor of elbow joint
Biceps brachaii
O- supraglenoid tubercle of scapula ; coracoid process of scapula
I- tuberosity of radius and bicipital aponeurosis into deep fascia of forearm
N- musculocutaneous nerve
A- flexes forearm at elbow joint ; supinates forearm at radioulnar joint ; flexes arm at shoulder joint
triceps brachaii
O-infraglenoid tubercle of scapula ; upper half of posterior surface of shaft of humerus ; lower half of posterior surface of shaft of humerus
I- olecranon process of ulna
N- radial nerve
A- extensor or elbow joint
flexor carpi ulnaris
O- medial epicondyle of humerus ; superior and posterior border of ulna
I- pisiform ; hamate ; base of metacarpal V
N- ulnar nerve
A- flexes and adducts hand at wrist joint
flexor carpi radialis
O- medial epicondyle of humerus
I- metacarpals III and II
N- median nerve
A- flexes and abducts hand at wrist joint
extensor carpi radialis longus
O- lateral supracondylar ridge of humerus
I- metacarpal II
N- radial nerve
A- extends and abducts hand at wrist joint
extensor digitorium
O- lateral epicondyle of humerus
I- distal and middle phalanges of each finger
N- radial nerve
A- extends finger and hand
extensor carpi radialis brevis
O- lateral epicondyle of humerus
I- metacarpal III
N- radial nerve
A- extends and abducts hand at wrist joint
extensor carpi ulnaris
O- lateral epicondyle of humerus
I- metacarpal V
N- radial nerve
A- extends and adducts hand at wrist joint
pronator teres
O- medial epicondyle of humerus; coronoid process of ulna
I- lateral aspect of shaft of radius
N- median nerve
A- pronation and flexion of forearm
pronator quadratus
O- anterior distal portion of shaft of ulna
I- anterior distal portion of shaft of radius
N- median nerve
A- pronates forearm
palmaris longus
O- medial epicondyle of humerus
I- flexor retinaculum and palmar aponeurosis
N- median nerve
A- weakly flexes hand at wrist joint
flexor digitorium profundus
O- anteromedial surface of ulna
I- distal phalanges of medial 4 fingers
N- ulnar and median nerves
A- flexes distal phalanx of fingers ; then assists in flexion of middle and proximal phalanges and wrist