Axilla & Arm Flashcards
(68 cards)
the aconeus attaches from ___ to ___
lateral epicondyle of humerus, lateral surface of olecranon process of ulna
the aconeus is responsible for ___
elbow extension
the aconeus is innervated by the ___ nerve which originates at ___
radial, C7-8
the biceps brachii short head attaches from ___ to ___ and ___
coracoid, radial tuberosity, deep antebrachial fascia
the biceps brachii long head attaches from ___ to ___ and ___
supraglenoid tubercle of scapula, radial tubersity, deep antebrachial fascia
biceps brachii is responsible for ___, ___, and ___
elbow flexion, shoulder flexion, supination of forearm
biceps brachii is innervated by the ___ nerve which originates at ___
musculocutaneous, C5-6
the brachialis attaches from ___ and ___ to ___ and ___
distal anterior shaft of humerus, lateral and medial intermuscular septa, coronoid process, ulnar tuberosity
the brachialis is responsible for ___
flexion of elbow
the brachialis is innervated by the ___ nerve which originates at __ and ___
musculocutaneous, C5-6, small branch from radial nerve
___ attaces from corocoid process to proximal medial shaft of the humerus
coracobrachialis
coracobrachialis is responsible for ___ and ___
shoulder ADD, flexion
coracobrachialis is innervated by ___ which originates from ___
musculocutaneous, C5-6
___ attaches from infraglenoid tubercle of the scapula to olecranon process of ulna
triceps brachii long head
___ attaches from proximal posteroilateral shaft of humerus to olecranon process of ulna
triceps brachiii lateral head
___ attaches from the distal posteromedial shaft of the humerus to the olecranon process of the humerus
triceps brachii medial head
the triceps brachii is responsible for ___ and ___
extension of elbow, extension of shoulder (long head)
triceps brachii is innervated by the __ nerve which originates from ___
radial, C6-T1
name the 6 boundaries of the axilla
1st rib/clavicle, skin of armpit, pectoral muscles, scapula/subscapularis, serratus anterior, huermus
name the contents of the axilla
axillary artery, axillary vein, axillary lymph nodes, 3 cords of brachial plexus
dorsal scapular nerve spinal cord segment is ___
C4-5
the subclavian nerve spinal cord segment is ___
C5-6
the suprascapular nerve spinal cord segment is ___
C4-6
the lateral pectoral nerve spinal cord segment is ___
C5-7