Muscles that move the radius

Muscles that move the radius - surface of humerus (lateral...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Muscles that move the radius & ulna - Flexors: - biceps brachii o origin: tubercle above glenoid cavity of scapula (long head); coracoid process of scapula (short head) o o flexes arm at shoulder joint - brachialis o origin: distal anterior surface of humerus o o action: flexes forearm at elbow joint - brachioradialis o o insertion: superior to styloid process of radius o joints - Extensors: - triceps brachii o
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: surface of humerus (lateral head); posterior surface of humerus ( medial head) o insertion: olecranon of ulna o action: extends forearm at elbow joint & extends arm at shoulder joint- Pronators:- pronator teres o origin: medial epicondyle of humerus & coronoid process of ulna o insertion: midlateral surface of radius o action: pronates forearm at radioulnar joints & weakly flexes forearm at elbow joint Muscles that move the wrist, hand, thumb & fingers- Flexors:- flexor carpi radialis o origin: medial epicondyle of humerus o insertion: 2 nd & 3 rd metacarpals o action: flexes & abducts hand at wrist joint- palmaris longus o origin: medial epicondyle of humerus o insertion: flexor retinaculum & palmar aponeurosis o action: weakly flexes hand at wrist joint page5...
View Full Document

Page1 / 2

Muscles that move the radius - surface of humerus (lateral...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online