week 5 movement Flashcards
(122 cards)
what can the hand be divided into?
the wrist ( 8 carpal bones)
digits (phalanges)
5 metacarpals
what are the 3 divisions of the phalanges?
distal, middle and proximal
what phalanges does the thumb have?
distal and proximal no middle
which digits have all 3 of the phalanges?
2 to 5
what is the name of the joint between the distal and middle phalanges?
the distal interphalageal joint
what is the name of the joint between the proximal and middle phalanges?
the proximal interphalangeal joint
what is the name of the the joint between the phalanges and the metacarpals?
the metacarpo-phalangeal joint
name the 8 carpal bones?
Scaphoid, Lunate, Triquetrum, Pisiform, trapezium, trapezoid capitate, hamate
how do you ring the carpal bones?
from proximal to distal. Lateral to medial.
what is the name of the wrist joint?
radiocarpal joint
what two bones are involved in the radiocarpal joint?
the radius and carpal joint
which two carpal bones articulate with the radius?
the scaphoid and lunate
what joint is not involved in the radiocarpal joint?
the distal radioulnar joint
what is the function of the distal radioulnar joint?
its supports the posterior radioulnar joitn in supination
what does the radiocarparl ligament do?
it is supportive ligament which allow the hand to move with the radius
what are the movements of the wrist joint?
extension and flexion
abduction and adduction
all those movements together circumduction
which muscles of the forearm don’t act on the wrist?
pronator teres –> anterior flexor compartment
Brachioradialis and Anconeus of the posterior extensor compartmetn
what nerve controls the anterior flexor muscles of the wrist joint?
median and ulna nerve?
what nerve controls the posterior extensor muscles of the wrist joint?
radial nerve
which structures runs through carpal tunnel?
flexor digitorium superficials tendon
flexor digitorium profundus tendon
flexor pollicis longus tendon
median nerve
what is the boundaries of the carpal tunnel?
flexor retinaculum and carpal bones
which intrinsic muscle of the hand is not suppleid by the ulnar nerve and what nerve are they supplied by?
the 1st and 2nd lumbrical muscles (lateral) unipennate are not. The thenar muscles are not either. They are supplied by the medial nerve
what are the movements of the thumb?
abduction, adduction, flexion, extension, oppositiona dn reposition
what does the Palmar cutaneous branch of median nerve supply?
the lateral side of the palm