Wrist & Hand Joints
Movement of the fingers away from the middle finger is termed _______
abduction
The movements of the extensor pollicis brevis include extension of the thumb at the carpometacarpal and metacarpophalangeal joints, and wrist ____________
abduction
The primary movements of the extensor carpi radialis longus at the wrist include extension and _______________
abduction
Which of the following muscles performs an action in the frontal plane?
abductor pollicis longus
Movement of the fingers back together toward the middle finger is called ________________
adduction
The primary movements of the flexor carpi ulnaris at the wrist are flexion and ____________
adduction
The movements of the abductor pollicis longus include abduction and _______________ of the thumb at the carpometacarpal joint, and weak wrist extension.
extension
The movements of the extensor indicis include extension of the index finger at the metacarpophalangeal joint, and wrist _______________
extension
The __________________ has the following attachments- origin: lateral epicondyle of the humerus; insertion: base of the middle and distal phalanxes of the fifth phalange on the dorsal surface.
extensor digiti minimi
The ___________________ has the following attachments- origin: lateral epicondyle of the humerus; insertion: four tendons to the bases of the middle and distal phalanxes of the four fingers on the dorsal surface.
extensor digitorum
Which of the following muscles has its insertion on the four tendons to the bases of middle and distal phalanxes of the four fingers on the dorsal surface of the hand?
extensor digitorum
Movement of the palm of the hand and/or the phalanges toward the anterior or volar aspect of the forearm is termed _____________
flexion
The ______________ has the following attachments- origin: medial epicondyle of the humerus; insertion: base of the second and third metacarpals on the palmar surface.
flexor carpi radialis
The __________________ has the following attachments- origin: medial epicondyle of the humerus; insertion: base of the second and third metacarpals on the palmar surface.
flexor carpi radialis
Which of the following muscles flexes the distal interphalangeal joints of the fingers?
flexor digitorum profundus
The_____________________ has the following attachments- origin: middle anterior surface of the radius and anterior medial border of the ulna just distal to the coronoid process; insertion: base of the distal phalanx of the thumb on the palmar surface.
flexor pollicis longus
Which of the following muscles performs flexion of the thumb?
flexor pollicis longus
Movement of the thumb across the palmar aspect to oppose any or all of the phalanges is termed _______________
opposition
Which of the following is the origin of the flexor digitorum profundus?
proximal 3/4ths of the anterior and medial ulna
Motions of the finger metacarpophalangeal joints include flexion, extension, abduction, and adduction.
true
Motions of the wrist joint include flexion, extension, abduction and adduction
true
The interphalangeal joints may be actively flexed to a greater degree with the wrist in slight extension as opposed to full flexion.
true
The muscles that are considered to be the agonists of phalangeal flexion include flexor digitorum superficialis, flexor digitorum profundus, and flexor pollicis longus
true
The only muscle involved in extending all of the metacarpophalangeal and interphalangeal joints of the four fingers is the extensor digitorum.
true
Ulnar flexion is movement of little finger side of hand toward medial aspect or ulnar side of the forearm.
true
The primary movements of the flexor carpi radialis at the wrist are flexion and __________
abduction
Which of the following muscles performs extension of the index finger?
extensor indicis
Each finger has three interphalangeal joints while the thumb is has only two.
false