Hand Flashcards

1
Q

Proximal row of carpal bones

A

Scaphoid, lunate, triquetrum, pisiform

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2
Q

Distal row of carpal bones

A

Trapezium, trapezoid, capitate, hamate

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3
Q

Radiocarpal joint

A

Condyloid joint

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4
Q

Intercapal and carpometacarpal joint

A

Plane joint

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5
Q

Trapeziometacarpal joint

A

Saddle joint

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6
Q

Metacarpophalangeal joint

A

Condyloid joints

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7
Q

Interphalangeal joint

A

Hinge joint

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8
Q

Anterior border of the anatomical snuff box

A

Abductor pollicis longus and extensor pollicis brevis tendons

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9
Q

Posterior border of the anatomical snuff box

A

Extensor pollicis longus tendon

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10
Q

Proximal border of the anatomical snuff box

A

Extensor retinaculum

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11
Q

Contents of the anatomical snuff box

A

Radial artery and scaphoid bone

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12
Q

Innervation for anatomical snuff box

A

Superficial branch of radial nerve

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13
Q

Insertion of abductor pollicis brevis

A

Proximal phalanx of pollex

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14
Q

Action of abductor pollicis brevis

A

Abduction of pollex (TMC joint)

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15
Q

Innervation of abductor pollicis brevis

A

Recurrent branch of median nerve

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16
Q

Insertion of flexor pollicis brevis

A

Base of proximal phalanx of pollex

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17
Q

Action of flexor pollicis brevis

A

Flexion of MCP joint of pollex

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18
Q

Innervation of flexor pollicis brevis (superficial head)

A

Recurrent branch of median nerve

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19
Q

Innervation of flexor pollicis brevis (deep head)

A

Deep branch of ulnar nerve

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20
Q

Opponens pollicis insertion

A

Lateral surface of 1st metacarpal

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21
Q

Opponens pollicis action

A

Opposition of pollex (TMC joint)

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22
Q

Opponens pollicis innvervation

A

Recurrent branch of median nerve

23
Q

Abductor digiti minimi insertion

A

proximal phalanx of 5th digit

24
Q

Abductor digiti minimi action

A

abduction of 5th digit (MCP joint)

25
Q

Abductor digiti minimi innervation

A

Deep branch of ulnar nerve

26
Q

Flexor digiti minimi brevis insertion

A

Proximal phalanx of 5th digit

27
Q

Flexor digiti minimi brevis action

A

Flexion of MCP joint of 5th digit

28
Q

Flexor digiti minimi brevis innervation

A

Deep branch of the ulnar nerve

29
Q

Opponens digiti minimi insertion

A

Medial surface of 5th metacarpal

30
Q

Opponens digiti minimi action

A

Flexion and medial rotation of 5th metacarpal at CMC joint

31
Q

Opponens digiti minimi innervation

A

Deep branch of ulnar nerve

32
Q

Lumbricals origin

A

tendons of FDP

33
Q

Insertion of lumbricals

A

Extensor expansions

34
Q

Action of lumbricals

A

Flex MCP joints
Extend PIP and DIP joints

35
Q

Innervation of lumbricals

A

Lateral 2: median nerve
Medial 2: deep branch of ulnar nerve

36
Q

Which digits do the lumbricals reach

A

Digits 2-5

37
Q

Lumbricals pass anterior to ___ and posterior to ___

A

Anterior to MCP joint
Posterior to IP joint

38
Q

How many palmar interossei are there?

A
  1. They go to digits 2, 4, and 5
39
Q

Palmar interossei insertion

A

Proximal phalanges and extensor expansions

40
Q

Palmar interossei action

A

Adduction of digits 2, 4, and 5

41
Q

Palmar interossei innervation

A

Deep branch of ulnar nerve

42
Q

Dorsal interossei insertion

A

Proximal phalanges and extensor expansions

43
Q

How many dorsal interossei are there?

A
  1. They go to digits 2, 3, and 4. Digit 2 has one on each side.
44
Q

Dorsal interossei action

A

Abduction of digits 2, 3, and 4

45
Q

Dorsal interossei innervation

A

Deep branch of ulnar nerve

46
Q

Palmar hand receives cutaneous innervation from _____

A

Median and ulnar nerves

47
Q

Dorsal hand receives cutaneous innervation from ____

A

Median, ulnar, and radial nerves

48
Q

The palmar branch of the median nerve innervates the____

A

Lateral palm

49
Q

The common palmar digital nerve of the median nerve innervates ___

A

Distal palm

50
Q

The proper palmar digital nerve of the median nerve innervates the ____

A

Palmar surface of digits 1-3 and lateral 1/2 of digit 4

51
Q

The dorsal branch of the ulnar nerve innervates the ___

A

Medial dorsum of the hand.
Branches from ulnar nerve in forearm

52
Q

The common palmar digital nerve innervates the ____

A

Medial palm

53
Q

The proper palmar digital nerve innervates the ____

A

Digit 5 and medial 1/2 of 4

54
Q

Where is the ulnar canal?

A

Between the pisiform and hook of hamate