The Forearm Supinators Flashcards
Name The Forearm Supinators
Supinator, Biceps Brachii, Brachioradialis
Supinator origin
inf. aspect of lat. epicondyle of humerus
radial collateral ligament
Supinator insertion
post, ant, & lat aspect of radius
Supinator nerve supply
post. interosseous branch of radial nerve C5, 6
Supinator action
supination
Supinator function
bowling
Biceps Brachii origin
L/H: superior glenoid tubercle of scapula
S/H: coracoid process of scapula
Biceps Brachii insertion
bicipital aponeurosis
radial tuberosity
Biceps Brachii nerve supply
musculocutaneous C5, 6
Biceps Brachii action
L/H: shoulder flex
L/h + S/H: elbow flexion & supination
Biceps Brachii function
bowling
Brachioradialis origin
upper 2/3rds of lat. supracondylar ridge of humerus
lat. intermuscular septum
Brachioradialis insertion
lat. surface of radius above styloid process
Brachioradialis nerve supply
radial C5, 6
Brachioradialis action
elbow flexion
pulls elbow to mid position whilst sup/pronated
