Muscles
Which two muscles are responsible for radial deviation?
Flexor Carpi Radialis and Extensor Radialis Longus
Palpate the Capitate Bone.
The dip in he wrist straight down from the second digit.
What movements occur at the radoiocarpal joint?
Flexion, Extension , radial deviation and ulnar deviation.
Point out one of the proximal phalange bones.
proximal bones on phalanges.
What is the most commonly fractured bone in the hand?
Scaphoid.
Which muscle is this? What is so special about this muscle?
Palpate the Pisiform
The small "ball" on the ulnar side of the wrist.
What movements occur at the distal radioulnar joint?
Supination and Pronation
Point out the radoiocarpal joint.
Where the radius and the carpal bones join.
How many phalanges are in the 4 digits?
3 per digit.
What actions do the extensor carpi ulnaris muscle perform?
Wrist extension and ulnar deviation
Explain and show how to palpate the supinator muscle.
Have patient try and supinate their forearm while you resist, palpate slightly distal to lateral epicondyle.
what are the arthrokinematics of wrist flexion?
Roll is anterior and glide is posterior.
Point out the Lunate Bone.
2nd bone on the proximal row of carpal bones.
What nerve is the wrist flexors innervated by?
Medial Nerve
What muscle is responsible for phalange extension.
extensor digitorum
Palpate the Hamate hook.
Slightly distal and medial to the pisiform bone.
What are the arthrokinematics of finger extension?
superior roll and glide
Point out the Trapezium bone
bone under the thumb metacarpal
What nerve is the wrist extensors innervated by?
Radial Nerve