MUSCLES OF THE ELBOW AND RU JOINT Flashcards
BICEPS BRACHII: O,I
O: supraglenoid tubercle of the scapula (LH); coracoid process of the scapula
I: radial tuberosity and the biciptal aponeurosis
BICEPS BRACHII: A,N
A: flexes and supinates the forearm at the elbow joint; flexes the arm at the GH joint
N: musculocutaneous n.
BRACHIALIS: O,I
O: distal 1/2 of the anterior shaft of the humerus
I: ulnar tuberosity and coronoid process of the ulna
BRACHIALIS: A, N
A: flexes the forearm at the elbow joint
N: musculocutaneous n.
BRACHIORADIALIS: O,I
O: lateral supracondylar ridge of the humerus
I: lateral side of the styloid process of the radius
BRACHIORADIALIS: A,N
A: flexes forearm at the elbow joint; supinates and pronates the forearm at the RU joint
N: radial n.
TRICEPS BRACHII: O,I
O: infraglenoid tubercle of the scapula (LH); proximal 1/3 of the posterior shaft of the humerus (lateral head); and distal 2/3 of the posterior shaft of the humerus (medial head)
I: olecranon process of the ulna
TRICEPS BRACHII: A,N
A: extends the forearm at the elbow joint and extends the arm at the GH joint (long head)
N: radial n.
ANCONEUS: O,I
O: lateral epicondyle of the humerus
I: lateral olecranon process and proximal 1/4 of the posterior ulna
ANCONEUS: A,N
A: extends the forearm at the elbow joint
N: radial n.
PRONATOR TERES: O,I
O: medial epicondyle and medial supracondylar ridge of the humerus bia the CFT (humeral head) and medial surface of coronoid process of the ulna (ulnar head)
I: middle 1/3 of the lateral radius
PRONATOR TERES: A,N
A: pronates and flexes the forearm at the elbow joint
N: medial n.
PRONATOR QUADRATUS: O,I
O: distal 1/4 of the anterior distal ulna
I: distal 1/4 of the anterior distal radius
PRONATOR QUADRATUS: A,N
A: pronates the forearm at the RU joint
N: median n.
SUPINATOR: O,I
O: lateral epicondyle of humerus and supinator crest of ulna (prox)
I: proximal 1/3 of the posterior, lateral and anterior sides of radius
