Hand And Wrist Flashcards
What type of joint is radiocarpal
A biaxial synovial joint
What are the attachments for ulnar collateral ligament
Ulnar styloid process to triquetrum
Nerve supply for the hand
PAD
Posterior is radial nerve
Anterior is median nerve
Dorsal is ulnar nerve
What are joints between carpal bones of the first row and joints between the second row called?
Intercarpal joints
What type of joint is the CMC
Plane type Synovial
What type of joint is the thumb cmc?
Saddle joint
How many degrees of freedom does the thumb mcp joint
1
What are the actions for the thumb cmc joint
Adduction abduction flexion extension circumduction opposition
What do the deep collateral ligaments do
Hold together the 2-5 metacarpal bones
What is the origin and insertion of the adductor policis
Base of 2 and 3 metacarpal and capitate
Medical of proximal phalanx of 1st
Origin and insertion of abductor policis brevis
Flexor retinaculum, scaphoid, trapezium
To the
Lateral base of proximal phalynx of thumb
Flexor pollicis brevis origin and insertion
Flexor retinaculum and the tubercle of trapezium bone
Lateral side of base of proximal phalanx of 1st
Openins pollicis origin and insertion
Flexor retinaculum and tubercle of trapezium
Lateral side of the metacarpal
What is the most superficial MUscle of the thenar muscle
Abductor pollicis brevis
What are all of the thenar muscles
Abductor pollicis brevis
Flexor pollicis brevis
And opponens pollicis
Abductor digiti minimi origin and insertion
Pisiform and tendon of flexor Capri ulnaris
Medial side of base of the proximal phalanx of little finger
Flexor digiti minimi brevis origin and insertion
Flexor retinaculum and hook of hamate
Medial side of the base of proximal phalynx of fifth
Opponens digiti minimi origin insertion
Flexor retinaculum and hook of hamate.
Palmar surface of 5th metacarpal
What is the most deep hypothenar muscle
Opponens digiti minimi
What are the three hypothenar muscles?
Abductor digiti minimi
Flexor digiti minimi brevis
Opponens digiti mini mi
What are the lumbrical 1-2 origin and insertion?
Lateral 2 tendons of flexor digitorum
To the lateral sides of expansion 2 and 3
What are the origin and insertions of lumbricals 3 and 4?
Medial 3 tendons of flexor digitorum profundus
To the extensor expansion of 4 and 5
What are the actions of the lumbricals?
Extends digits in IP joint and flexes metacarpophalangeal joints
What are the origin and insertions of the dorsal interosseus muscles?
Adjacent sides of two metacarpal bones
To the base of proximal phalanges, and extenser expansion of digits 2-4