muscles of the arm Flashcards
what are the muscles that make up the anterior compartment
-biceps brachii muscle
-Coracobrachialis muscle
-brachialis muscle
what is the muscle that makes up the posterior compartment of the arm
the triceps brachii muscle
what is the origin of the long head of the biceps brachii muscle
the supraglenoid of the scapula
what is the origin of the short head of the biceps brachii muscle
the apex of the coracoid process
where does the biceps brachii muscle insert
at the radial tuberosity
what actions does the biceps brachii muscle do
Flexion at the elbow joint and supination in the forearm
- Flexion and adduction at the shoulder
what innervates the biceps brachii muscle
by the musculotaneous nerve
what innervates the biceps brachii muscle
by the musculocutaneous nerve
where is the origin of the coracibrachialis muscle
apex of the coracoid process
where is there insertion of the coracobrachialis muscle
at the medial surface of the humerus ,along the midshaft
what action does the coracobrachialis muscle do
weak flexor at the shoulder joint
what is the innervation at the coracobrachialis muscle
the musculocutaneous nerve
what is the origin of brachialis muscle
the distal half of the anterior surface of the humeral shift
where is the insertion of the brachialis muscle
the ulnar tuberosity
what action does the brachialis muscle do
powerful flexion of the elbow joint
