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MD2002 > Wrist and Hand; Ankle and Foot > Flashcards

Wrist and Hand; Ankle and Foot Flashcards

1
Q

what are the tarsal bones of the foot?

A
  • talus
  • calcaneus
  • navicular
  • (medial) cuneiforms
  • (intermediate) cuneiforms
  • (lateral) cuneiforms
  • cuboid

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2
Q

minus the tarsals, what are the other bones of the foot?

A
  • metatarsals 1-5
  • proximal phalanges 1-5
  • middle phalanges 2-5
  • distal phalanges 1-5
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3
Q

what are the movements of distal radio-ulnar joint?

A

(assists proximal RU joint)

  • supination
  • pronation
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4
Q

what is the function of the inferior tibio-fibular joint (syndesmosis)?

A

no movements but essential for stability of ankle, keeping lateral malleolus close to talus

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5
Q

what are the components of the distal radio-ulnar joint?

A
  • fibrous capsule
  • anterior and posterior RU ligaments (weak
  • sacciform recess within join to accommodate turning
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6
Q

what does the inf/ TF ligament form?

A

posterior wall for talus (trochlea) - “malleolar mortise”

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7
Q

what are the components of the inferior tibio-fibular joint?

A
  • interosseous membrane and TF ligament
  • anterior and posterior TF ligament
  • inferior TF ligament
  • all strong ligaments
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8
Q

what are movements of the wrist (radiocarpal) joint?

A
  • flexion, extension
  • adbuction, adduction
  • (some) circumduction
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9
Q

what are movements of the ankle joint (talocrural articulation)?

A
  • dorsiflexion

- plantar flexion (more unstable due to narrow trochlea)

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10
Q

what type of joint is the wrist?

A

condyloid

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11
Q

what type of joint is the ankle?

A

hinge

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12
Q

the distal end of radius and articular discs of RU join articulates with which bones?

A

proximal carpal bones (except pisiform):

  • scaphoid
  • lunate
  • triquetrum
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13
Q

what does the talus articulate with?

A
  • distal end of tibia
  • med. and lat. malleolus
  • fibula
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14
Q

what ligament prevents dislocation during eversion of foot?

A

medial deltoid ligament

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15
Q

what are the ligaments of the wrist?

A
  • collateral (radial and ulnar)

- radiocarpal (palmar and dorsal)

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16
Q

what are the main FLEXORS of wrist joint?

A

-flexor carpi ulnaris and radialis

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17
Q

what are the attachements of flexor carpi ulnaris?

A
  • medial epicondyle of humers

DISTAL
- carpal bones (pisiform, hamate) and 5th metacarpal

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18
Q

what nerve is flexor carpi ulnaris supplied by?

A

ulnar

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19
Q

what are the attachments of flexor carpi radialis?

A
  • medial epicondyle of humerus

DISTAL
- base of 2nd metacarpal

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20
Q

what nerve is flexor carpi radialis supplied by?

A

median

21
Q

what are the ankle joint muscles for plantar flexion?

A
  • gastrocnemius
  • soleus
  • plantaris
  • flexor digitorum longus
  • flexor hallucis longus
  • tibialis posterior
22
Q

what are the attachments of gastrocnemius?

A

lat. and med. condyles of femur

DISTAL
post. surface of calcaneus (tendon)

23
Q

what are the attachments of soleus?

A
  • post. sup. surface of fibula
  • med. border of tibia

DISTAL
post. surface of calcaneus (tendon)

24
Q

what are the attachments of plantaris?

A
  • lat. distal femur
  • oblique popliteal ligament

DISTAL
post. surface of calcaneus (tendon)

25
Q

what nerve supplies the plantar flexors?

A

tibial nerve

26
Q

what are the attachments of flexor digitorum longus?

A
  • post. surface of medial tibia

- distal phalanges of digits 2-5

27
Q

what are the attachments of flexor hallucis longus?

A
  • inf. 2/3 of fibula

- distal phalanx of digit 1

28
Q

what are the attachments of tibialis posterior?

A

post. surface of fibula and tibia and interosseous membrane

29
Q

what are the muscle EXTENSORS of the wrist joint?

A
  • extensor carpi ulnaris
  • extensor carpi radialis longus
  • extensor carpi radialis brevis
30
Q

what nerve supplies the extensors of the wrist?

A

radial

31
Q

what are the attachments of extensor carpi ulnaris?

A
  • lat. epicondyle of humerus

- dorsal base of 5th metacarpal

32
Q

what are the attachments of extensor carpi radialis longus?

A
  • lat. epicondyle of humerus

- dorsal base of 5th metacarpal

33
Q

what are the attachments of extensor carpi radialis brevis?

A
  • lat. epicondyle of humerus

- dorsal base of 3rd metacarpal

34
Q

what are the dorsiflexor muscles of the ankle joint?

A
  • tibialis anterior
  • extensor digitorum longus
  • extensor hallucis longus
  • fibularis tertius
35
Q

what nerve are the dorsiflexors of the ankle supplied by?

A

deep fibular nerve

36
Q

what are adductors of wrist?

A
  • extensor carpi ulnaris

- flexor carpi ulnaris

37
Q

what are abductors of wrist?

A
  • extensor carpi radialis longus and brevis
  • flexor carpi radialis
  • abductor pollicis longus
38
Q

what are the extrinsic flexor muscles of the hand?

A
  • flexor digitorum superficialis
  • flexor digitorum profundus
  • flexor pollicis longus
39
Q

what are the extrinsic extensor muscles of the hand?

A
  • extensor pollicis brevis
  • extensor indicis
  • extensor digitorum
  • extensor digiti minimi
  • extensor pollicis longus
40
Q

what are the extrinsic muscles of the thumb?

A
  • extensor pollicis brevis and longus
  • flexor pollicis longus
  • abductor pollicis longus
41
Q

what are the intrinsic muscles of the thumb?

A
  • flexor pollicis brevis
  • adductor pollicis
  • abductor pollicis brevis
  • opponens pollicis
42
Q

what are the muscles of the 5th digit?

A
  • opponens digiti minimi
  • abductor digiti minimi
  • flexor digiti minimi brevis
43
Q

what nerve are the muscles of the 5th digit supplied by?

A

ulnar

44
Q

what are the extrinsic muscles of the big toe?

A
  • extensor hallucis longus

- flexor hallucis longus

45
Q

what are the intrinsic muscles of the big toe?

A
  • flexor hallucis brevis
  • adductor hallucis
  • abductor hallucis
  • extensor hallucis brevis
46
Q

what are the muscles of the 5th digit?

A
  • abductor digiti minimi

- flexor digiti minimi brevis

47
Q

what are the intrinsic muscles of the foot?

A
  • flexor digitorum brevis

- extensor digitorum brevis

48
Q

what is club foot?

A

congenital condition:

  • talus bone deformity
  • shortened and tightened tendons
49
Q

what does club foot present as?

A
  • foot inversion
  • ankle plantar flexed
  • adduction of foot

MD2002 (85 decks)

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