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WRIST Word Scramble

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Created by: Kenito71

Question	Answer
Wrist movements	Flexion: Anterior muscle Extension:Posterior muscle Radial deviation: lateral muscle Ulnar deviation: medial muscle.
Proximal attachments	Flexors: all originate at the medial epicondyle(medial muscle mass) Extensor: all originate at lateral epicondyle(lateral muscle mass)
Distal attachments	All attach to a metacarpal
The 3rd metacarpal	The midline of hand
Anterior muscles	(Flexor Carpi radials, palmaris, longus Flexor Carpi ulnaris) work together to do straight wrist flexion.
Posterior muscles	(Extensor Carpi radialis Longus, Extensor Carpi radialis, Extensor Carpi ulnaris) = straight wrist extension.
Muscle compartments	Brachioradialis divides the extensor and flexors/ The belly of extensor Carpi radialis longus lies next to brachioradialis.
Radial and ulnar deviation: Flexor Carpi radialis and extensor Carpi radialis longus will produce	Pure radial deviation
Radial and ulnar deviation: Flexor Carpi ulnaris and extensor Carpi ulnaris will produce	Pure Ulnar deviation
Radial deviation	Flexor Carpi radialis Extensor Carpi radialis longus and brevis (Flexion and extension component is neutralized) = Get pure radial deviation.
Ulnar deviation	Flexor Carpi ulnaris Extensor Carpi ulnaris (The flexion and extension component) Get pure ulnar deviation.
Finger and thumb muscles	Extrinsic muscles=muscle belly outside joint: assist with wrist motion-primary action on digit.
Distal radioulnar joint is where	Head of ulna articulates with ulnar notch on radius dismally
Proximal and distal radioulnar joints are:	Mechanically linked and motion at one is always accompanied by motion at the other.
Pronation and supination occur because	Radius crosses ulna at radioulnar joint: it slides over ulnar head.