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Sharlene and MB's PT party > MSK #11- A&P Wrist and Hand > Flashcards

MSK #11- A&P Wrist and Hand Flashcards

1
Q

ROM Norms: Wrist

A

Flexion 0-80
Extension 0-70
Radial Deviation 0-20
Ulnar Deviation 0-30

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2
Q

ROM Norms: Thumb CMC

A

Abduction 0-70
Flexion 0-15
Extension 0-20
Opposition- tip of thumb to base of 5th digit (BIL comparison?)

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3
Q

ROM Norms: Thumb MCP

A

Flexion 0-50

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4
Q

ROM Norms: Thumb Interphalangeal

A

flexion 0-80

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5
Q

ROM Norms: Digits 2-5 MCP

A

Flexion 0-90

Hyperextension 0-45

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6
Q

ROM Norms: Digits 2-5 PIP

A

Flexion 0-100

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7
Q

ROM Norms: Digits 2-5 DIP

A

Flexion 0-90

Hyperextension 0-10

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8
Q

Manual Therapy
Joint: Distal Radioulnar
Resting Position, Concave/Convex, Osteo/arthrokinematics

A

Resting Position: 10 degrees supination
Concave: radius
Convex: ulna

Osteo/arthrokinematics: same direction

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9
Q

Manual Therapy
Joint: Radiocarpal
Resting Position, Concave/Convex, Osteo/arthrokinematics

A

Resting Position: neutral w/ slight ulnar deviation

Concave: radius
Convex: carpals

Osteo/arthrokinematics: opposite directions

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10
Q

Manual Therapy
Joint: MCP of digits 2-5
Resting Position, Concave/Convex, Osteo/arthrokinematics

A

Resting Position: slight flexion

Concave: phalanges
Convex: metacarpals

Osteo/arthrokinematics: same direction

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11
Q

Manual Therapy
Joint: DIP and PIP of digits 2-5
Resting Position, Concave/Convex, Osteo/arthrokinematics

A

Resting Position: slight flexion

Concave: distal phalanges
Convex: proximal phalanges

Osteo/arthrokinematics: same direction

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12
Q

Muscles involved w/ wrist flexion

A
  • flexor carpi radialis
  • flexor carpi ulnaris
  • palmaris longus
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13
Q

Muscles involved w/ wrist extension

A
  • extensor carpi radialis longus
  • extensor carpi radialis brevis
  • extensor carpi ulnaris
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14
Q

Muscles involved w/ radial deviation

A
  • extensor carpi radialis
  • flexor carpi radialis
  • extensor pollicis longus
  • extensor pollicis brevis
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15
Q

Muscles involved w/ ulnar deviation

A
  • extensor carpi ulnaris

- flexor carpi ulnaris

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16
Q

Articulation of the radiocarpal joint

A
  • proximal joint surface formed by distal radius and radioulnar disc (connects radius and ulna)
    Distal joint surface formed by scaphoid, lunate, and triquetrum
  • 2 degrees of freedom
  • encased in strong capsule reinforced by numerous ligaments shared w/ midcarpal joint
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17
Q

Radiocarpal Joint: osteokinematic motions

A

flexion, extension, radial deviation, ulnar deviation

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18
Q

Radiocarpal Joint: loose packed and close packed positions

A

Loose: neutral w/ slight ulnar deviation

Closed: extension w/ radial deviation

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19
Q

Radiocarpal Joint: Capsular Pattern

A

flexion and extension equally limited

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20
Q

Midcarpal joint. Go!

A
  • complex motion between distal an proximal carpals w/ exception of pisiform
  • joint surfaces reciprocally convex and concave
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21
Q

5 primary ligaments or structures of wrist

A 
dorsal radiocarpal ligament 
palmer radiocarpal ligament
radial collateral ligament
carpal tunnel
interosseous membrane
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22
Q

Tell me about the dorsal radiocarpal ligament

A
  • only major ligament on dorsal surface of hand
  • originates on posterior surface of distal radius and styloid process of the distal radius
  • attaches to lunate and triquetrum
  • limits wrist flexion
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23
Q

Tell me about the palmer radiocarpal ligament

A
  • limits hyper extension of wrist
  • originates from anterior surface of distal radius
  • attaches to capitate, triquetrum, and scaphoid
24
Q

Tell me about the radial collateral ligament

A
  • limits ulnar deviation and taut w/ extreme wrist extension/flexion
  • originates from styloid process of radius
  • inserts on scaphoid and trapezium
25
Q

Tell me about the interosseous membrane

A
  • dense band of fibrous connective tissue
  • runs obliquely from radius to ulna
  • spans from proximal radioulnar joint to distal radioulnar joint
  • acts as stabilizer against axial forces applied to wrist
26
Q

Distal radioulnar joint: loose packed and close packed positions

A

loose: 10 degrees supination
close: 5 degrees supination (that’s weird)

27
Q

CMC: loose packed and close packed positions

A

loose: midway between flex/ext and add/abduction
close: not in book

28
Q

MCP: loose packed and close packed positions

A

loose: slight flexion

close: full flexion
* *full opposition for thumb CMC

29
Q

Interphalangeal: loose packed and close packed positions

A

loose: slight flexion
close: full extension

30
Q

Shape of Thumb CMC joint

A

saddle articulation w/ trapezium being convex in medial/lateral direction and concave in anterior posterior direction

31
Q

What does the ulnar nerve innervate in the hand

A
  • hypothenar region (volar and dorsal)
  • 5th digit
  • medial half of 4th digit
32
Q

What does the median nerve innervate in the hand

A
  • remainder of palmer surface not innervated by ulnar nerve

- dorsal portions of 2nd, 3rd, and lateral half of 4th digit from DIP to tip of finger

33
Q

What does the radial nerve innervate in the hand

A
  • remainder of dorsum not innervated by ulnar and median
34
Q

Flexor digitorum (ulnar portion)

A

Action: 4th and 5th digit DIP flexion

Cord Segment: C7-T1

Nerve: Ulnar Profundus

35
Q

Flexor Carpi Ulnaris

A

Action: wrist ulnar flexion

Cord Segment: C7-T1

Nerve: Ulnar

36
Q

Adductor Pollicis

A

Action: thumb adduction

Cord Segment: C8-T1

Nerve: Ulnar

37
Q

Abductor Digiti

A

Action: 5th digit abduction

Cord Segment: C8-T1

Nerve: Ulnar Quinti

38
Q

Opponens Digiti

A

Action: 5th digit opposition

Cord Segment: C7-T1

Nerve: Ulnar Quinti

39
Q

Flexor Digiti Quinti

A

Action: 5th digit MCP flexion

Cord: C7-T1

Nerve: Ulnar Brevis

40
Q

Interossei

A

Action: 2nd-5th digit MCP flexion, adduction, abduction

Cord: C8-T1

Nerve: Ulnar

41
Q

Flexor Carpi Radialis

A

Action: wrist radial flexion

Cord: C6-C7

Nerve: Median

42
Q

Palmaris Longus

A

Action: wrist flexion

Cord: C7-T1

Nerve: Median

43
Q

Flexor Digitorum Sublimis

A

Action: 2nd-5th digit PIP flexion

Cord: C7-T1

Nerve: Median

44
Q

Flexor Pollicis Longus

A

Action: thumb IP flexion

Cord: C7-T1

Nerve: Median

45
Q

Flexor Digitorum

A

Action: 2nd-3rd digit DIP flexion

Cord: C7-T1

Nerve: Median

46
Q

Abductor Pollicis Brevis

A

Action: thumb abduction

Cord: C6-T1

Nerve: Median

47
Q

Flexor Pollicis Brevis

A

Action: thumb MCP flexion

Cord: C6-T1

Nerve: Median/Ulnar

48
Q

Opponens Pollicis

A

Action: thumb opposition

Cord: C6-T1

Nerve: Median

49
Q

Lumbricals

A

Action: 2nd-5th digit MCP flexion, IP extension

Cord: C8-T1

Nerve: Median/Ulnar

50
Q

Extensor Carpi Radialis

A

Action: wrist radial extension

Cord: C6-C8

Nerve: radial

51
Q

Extensor Digitorum

A

Action: 2nd-5th digit MCP, IP extension

Cord: C6-C8

Nerve: radial

52
Q

Extensor Carpi Ulnaris

A

Action: wrist ulnar extension

Cord: C6-C8

Nerve: radial

53
Q

Abductor Pollicis Longus

A

Action: thumb MCP abduction

Cord: C7-C8

Nerve: radial

54
Q

Extensor Pollicis Longus/Brevis

A

Action: thumb extension

Cord: C6-C8

Nerve: radial

55
Q

Extensor Indicis Proprius

A

Action: 2nd digit extension

Cord: C6-C8

Nerve: radial

Sharlene and MB's PT party (35 decks)

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