5 Written Questions
5 Matching Questions
- Adductor Pollicis longus
- Flexor Digitorum Superficialis
- Flexor carpi ulnaris
- Palmaris longus
- Flexor carpi radialis
The chief action of abductor pollicis longus is to abduct the thumb at the carpometacarpal joint, thereby moving the thumb anteriorly.
By its continued action it helps to abduct the wrist.
Flexes wrist and abducts hand
Flexes and adducts wrist
Flexes Proximal Interphalangeal Joints and Secondarily Metacarpophalangeal joints and Wrists
5 Multiple Choice Questions
Extends Distal Phalanx of Thumb at Metacarpophalangeal and Interphalangeal Joints
a fibrous band forming the carpal canal through which pass the tendons of the flexor muscles of the hand and fingers.
Pronates forearm and assists in flexing the elbow
Adduction of the thumb is bringing it back into the plane of the palm of the hand from its previously abducted position. This muscle, however, also brings the thumb to the side of the palm and index finger.
Extend and Abduct Hand at Wrist Joint
5 True/False Questions
Extensor Pollicis Brevis →
Extends Proximal Phalanx of Thumb at Metacarpophalangeal Joint
Extensor carpi radialis longus →
Extends wrist and abducts hand
Biceps brachii →
Flexes and supinates forearm