Hand & Wrist

• how many carpal bones are there 


  8
• what is the most common type of hand fracture

  scaphoid
• where is pain felt in a scaphoid bone fracture 


  snuffbox
• how many metacarpal bones are there 


  5
• what do the metacarpal and distal carpal bones form 


  carpometacarpal joint
• what do the metacarpal and phalanges form 


  metacarpophalangeal joint
• what is the greek term for phalanges 


  phalanx
• how many phalanges do we have 


  14
• what type of joint are phalanges 


  synovial
• what is the function of the interphalangeal joints 


  flexion and extension
• what is the function of the metacarpophalangeal joints 


  flexion, extension, adduction and abduction and axial rotation of thumb
• what is the palmar aponeurosis 


  sheet of CT beneath skin
• what is the condition where there is increased collagen in palmar fascia

  dupuytrens contracture
• what is carpal tunnel syndrome


  compression of median nerve
• what are the 3 muscles of the thenar muscle group 


  flexor pollicis brevis

  abductor pollicis brevis

  opponens pollicis
• what are the 3 muscles of the hypothenar muscle group

  abductor digiti minimi

  flexor digiti minimi brevis

  opponens digiti minimi
• what are the 3 muscles of the mid-hand muscle group 


  lumbricals

  dorsal interossei

  palmar interossei
• what is the origin of the flexor pollicis brevis


  tubercle of trapezium and flexor retinaculum
• what is the insertion of the flexor pollicis brevis


  proximal phalanx of thumb
• what is the function of the flexor pollicis brevis


  flexes metacarpophalangeal joint of thumb
• what is the innervation of the flexor pollicis brevis


  median and ulnar nerve
• what is the origin of the sbductor pollicis brevis


  tubercle of scaphoid and trapezium and flexor retinaculum
• what is the insertion of the sbductor pollicis brevis


  proximal phalanx
• what is the function of the sbductor pollicis brevis


  abducts thumb
• what is the innervation of the sbductor pollicis brevis


  median and ulnar nerve
• what is the origin of the opponens pollicis


  tubercle of trapezium and flexor retinaculum
• what is the insertion of the opponens pollicis


  1st metacarpal bone
• what is the function of the opponens pollicis


  thumb flexion, abduction and medial rotation
• what is the innervation of the opponens pollicis


  median nerve
• what is the origin of the adductor pollicis


  palmar base of 2nd metacarpal bone
• what is the insertion of the adductor pollicis


  base of 1st proximal phalanx
• what is the function of the adductor pollicis


  adduction of thumb
• what is the origin of the abductor digiti minimi

  pisiform and tendon of flexor carpi ulnaris
• what is the insertion of the abductor digiti minimi


  proximal phalanx of pinky
• what is the function of the abductor digiti minimi


  abducts pinky
• what is the innervation of the abductor digiti minimi


  ulnar nerve
• what is the origin of the flexor digiti minimi brevis


  hook of hamate and flexor retinaculum
• what is the insertion of the flexor digiti minimi brevis


  proximal phalanx of pinky
• what is the function of the flexor digiti minimi brevis


  flexes metacarophalangeal joint of pinky
• what is the innervation of the flexor digiti minimi brevis


  ulnar nerve