Wrist Flashcards
Extensor Carpi Ulnaris
O: lateral epicondyle of humerus via common extensor tendon
I: base of 5th metacarpal
A: combined wrist extension & ulnar deviation
Extensor Carpi Radialis Brevis
O: Lateral epicondyle of humerus via common extensor tendon
I: base of 3rd metacarpal
A: wrist extension
Extensor Carpi Radialis Longus
O: Lateral supracondylar ridge of humerus
I: base of 2nd metacarpal
A: combined wrist extension & radial deviation
Palmaris Longus
O: medial epicondyle of humerus via common flexor tendon
I: palmar aponeurosis
A: wrist flexion
Flexor Carpi Radialis
O: medial epicondyle of humerus via common flexor tendon
I: base of 2-3 metacarpals
A: combined wrist flexion & radial deviation
Flexor Carpi Ulnaris
O: medial epicondyle of humerus via common flexor tendon
I: pisiform & base of 5th metacarpal
A: combined wrist flexion & ulnar deviation
Wrist Joint AK’s (all movements)
roll & glide
opposite directions
Wrist Flexion ROM
0-80 degrees
Wrist Extension ROM
0-70 degrees
Ulnar Deviation ROM
0-30 degrees
Radial deviation ROM
0-20 degrees
Wrist End Feel
Firm
Wrist Closed-Packed Positions
Full extension
Radial Deviation
Wrist Capsular Pattern
All equal
Wrist Open-Packed position
neutral flexion/extension