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95問 • 1年前
  • Kyla Rafols
    • 通報

    問題一覧

  • 1

    The fingers symbolizes power, intellect and will

    false

  • 2

    Symbiotic relationship between the brain and hand

    brain designs, hand forms

  • 3

    Upper limb function is essential for hand performance. Loss of upper limb function affects hand use

    both statements are true

  • 4

    Wrist complex consists of two compound joints

    radiocarpal, midcarpal

  • 5

    Wrist muscles focus on ______ and ______ over _______

    balance, control, torque

  • 6

    Dynamic base for hand movement

    shoulder

  • 7

    Adjusts hand distance from the body

    elbow

  • 8

    Adjusts hand approach

    forearm

  • 9

    Controls length tension in hand muscles, not primarily for spatial placement

    wrist

  • 10

    Navicular of the hand

    scaphoid

  • 11

    Most commonly fractured carpal bone

    scaphoid

  • 12

    Floor of anatomical snuffbox

    scaphoid

  • 13

    Medial boundary of anatomic snuffbox

    EPL

  • 14

    Lateral boundary of anatomic snuffbox

    APL, EPB

  • 15

    Content of anatomic snuffbox

    radial artery

  • 16

    Swelling and tenderness at the snuffbox from a FOOSH

    scaphoid

  • 17

    Preisser’s disease

    scaphoid

  • 18

    Most commonly dislocated carpal

    lunate

  • 19

    Common direction— anterior

    lunate

  • 20

    Nerve affected during lunate dislocation

    median nerve

  • 21

    Medial nerve compression leads to

    carpal tunnel syndrome

  • 22

    Murphy’s sign

    lunate

  • 23

    Kienbock’s disease

    lunate

  • 24

    Burn’s disease

    lunate

  • 25

    Palpation is distal to Liester’s tubercle with wrist flexed

    lunate

  • 26

    Sign suggestive of lunate dislocation

    Murphy’s sign

  • 27

    Avascular necrosis of distal lunate

    Burn’s disease

  • 28

    Bed of pisiform

    triquetrum

  • 29

    Which among the proximal carpals does not participate in WJ articulation?

    pisiform

  • 30

    Largest sesamoid bone

    patella

  • 31

    CTS causes

    pregnancy, faulty hand posture, median nerve compression

  • 32

    Smalleat carpal bone

    pisiform

  • 33

    Pisiform is a sesamoid bone. It is the first carpal bone to ossify

    first statement is true, second is false

  • 34

    Ziumana sa thumb

    trapezium

  • 35

    greater multangular

    trapezium

  • 36

    Pisiform is located most laterally. Trapezium does not articulate with lunate

    first statement is false, second is true

  • 37

    Lesser multangular

    trapezoid

  • 38

    2nd smalleat carpal

    trapezoid

  • 39

    Os magnum

    capitate

  • 40

    Largest carpal bone

    capitate

  • 41

    1st carpal bone to ossify

    capitate

  • 42

    Unciform

    hamate

  • 43

    Connects the pisiform to the hook of hamate

    pisohamate ligament

  • 44

    Canal formed by pisohamate ligament

    tunnel of guyon

  • 45

    Tunnel of guyon nerve

    ulnar nerve

  • 46

    Differences in wrist structure influence function

    true

  • 47

    Reduces structural pinchh at extremes

    two joint wrist system

  • 48

    Large ROM with less exposed articular surface

    two joint wrist system

  • 49

    Multijoint surfaces withstand imposed pressures better

    two joint wrist system

  • 50

    WJ movements as a biaxial joint

    flexion, extension, ulnar deviation, radial deviation

  • 51

    Flexion extension axis

    coronal

  • 52

    Ulnar/radial deviation axis

    AP axis

  • 53

    Normal WJ flexion

    65-85 deg

  • 54

    Normal WJ extension

    60-85 deg

  • 55

    Normal WJ radial deviation

    15-21 deg

  • 56

    Normal WJ ulnar deviation

    20-45 deg

  • 57

    Radiocarpal joint articulation

    distal radius, scaphoid, lunate, triquetrum

  • 58

    Distal radius

    biconcave, shallow side to side, sharper anteroposterior

  • 59

    Proximal joint surface

    lateral facet, medial facet, tfcc

  • 60

    Articulates with scaphoid

    lateral facet

  • 61

    Articulates with lunate

    medial facet

  • 62

    Contacts triquetrum and lunate in neutral wrist

    tfcc

  • 63

    Radial inclination of radiocarpal jt

    23 deg

  • 64

    Volar tilt of radiocarpal jt

    11 deg

  • 65

    Proximal carpal row ligaments

    scapholunate, lunotriquetral

  • 66

    Joint incongruence of radiocarpal joint

    20-40% surface contact at a time

  • 67

    ROM of radiocarpal joint

    Flexion>extension, Ulnar>radial dev

  • 68

    Negative ulnar variance

    short ulna, kienbock’s disease

  • 69

    Positive ulnar variance

    tfcc impingement, long ulna

  • 70

    Provides support to DRUJ, connect to ECU, triquetrum, hamate and 5th MC

    tfcc

  • 71

    Connects distal radius to the proximal carpals

    radiocarpal ligament

  • 72

    Wrist joints

    radiocarpal, midcarpal

  • 73

    Radiocarpal joint type

    condylloid/ellipsoid

  • 74

    Midcarpal joint type

    plane

  • 75

    Part 1

    Ligaments crossing RC joint also stabilize the midcarpal joint, Ligament functions for both joints are often discussed together

  • 76

    Part 2

    No muscles exclusively act on the RC joint, FCU inserts on the pisiform, indirectly affecting the triquetrum via ligaments

  • 77

    Part 3

    RC and midcarpal joint move in unison, Movements are influenced by ligaments and muscles attaching to the distal carpal row and metacarpals

  • 78

    Midcarpal joint articulation

    Scaphoid, Lunate, Triquetrum, Trapezium, Trapezoid, Capitate, Hamate

  • 79

    Functionally defined, separate from the radiocarpal joint

    midcarpal joint

  • 80

    Fibrous capsule with synovial lining, continuous with intercarpal articulations and some CMC joints

    midcarpal joint

  • 81

    Bound together for load distribution

    Capitate, Hamate

  • 82

    Complex concave-convex arrangement, simplifying movement conceptualization

    midcarpal jt

  • 83

    Midcarpal joint favors these movements

    extension, radial deviation

  • 84

    Contributes to transverse and logitudinal arches of the hand

    midcarpal joint

  • 85

    Dorsal ligaments

    thinner

  • 86

    Volar

    thicker and stronger

  • 87

    Connect carpal to radius, proximal ulna or distal metacarpals

    extrinsic ligaments

  • 88

    Interconnect carpals

    intrinsic ligaments

  • 89

    Stronger, slower to heal due to reliance on synovial fluid

    intrinsic ligaments

  • 90

    Prone to failure but heal faster due to vascular connection

    extrinsic ligaments

  • 91

    Ligaments of wrist complex all contribute to stability, guiding motion, and checkung excessive movement

    true

  • 92

    Ligament of midcarpal joint

    transverse carpal ligament

  • 93

    Responsible for the arch of the hand

    transverse carpal ligament

  • 94

    Prevents separation of the carpals

    transverse carpal ligament

  • 95

    Kinematics of midcarpal joint

    only gliding or sliding

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    問題一覧

  • 1

    The fingers symbolizes power, intellect and will

    false

  • 2

    Symbiotic relationship between the brain and hand

    brain designs, hand forms

  • 3

    Upper limb function is essential for hand performance. Loss of upper limb function affects hand use

    both statements are true

  • 4

    Wrist complex consists of two compound joints

    radiocarpal, midcarpal

  • 5

    Wrist muscles focus on ______ and ______ over _______

    balance, control, torque

  • 6

    Dynamic base for hand movement

    shoulder

  • 7

    Adjusts hand distance from the body

    elbow

  • 8

    Adjusts hand approach

    forearm

  • 9

    Controls length tension in hand muscles, not primarily for spatial placement

    wrist

  • 10

    Navicular of the hand

    scaphoid

  • 11

    Most commonly fractured carpal bone

    scaphoid

  • 12

    Floor of anatomical snuffbox

    scaphoid

  • 13

    Medial boundary of anatomic snuffbox

    EPL

  • 14

    Lateral boundary of anatomic snuffbox

    APL, EPB

  • 15

    Content of anatomic snuffbox

    radial artery

  • 16

    Swelling and tenderness at the snuffbox from a FOOSH

    scaphoid

  • 17

    Preisser’s disease

    scaphoid

  • 18

    Most commonly dislocated carpal

    lunate

  • 19

    Common direction— anterior

    lunate

  • 20

    Nerve affected during lunate dislocation

    median nerve

  • 21

    Medial nerve compression leads to

    carpal tunnel syndrome

  • 22

    Murphy’s sign

    lunate

  • 23

    Kienbock’s disease

    lunate

  • 24

    Burn’s disease

    lunate

  • 25

    Palpation is distal to Liester’s tubercle with wrist flexed

    lunate

  • 26

    Sign suggestive of lunate dislocation

    Murphy’s sign

  • 27

    Avascular necrosis of distal lunate

    Burn’s disease

  • 28

    Bed of pisiform

    triquetrum

  • 29

    Which among the proximal carpals does not participate in WJ articulation?

    pisiform

  • 30

    Largest sesamoid bone

    patella

  • 31

    CTS causes

    pregnancy, faulty hand posture, median nerve compression

  • 32

    Smalleat carpal bone

    pisiform

  • 33

    Pisiform is a sesamoid bone. It is the first carpal bone to ossify

    first statement is true, second is false

  • 34

    Ziumana sa thumb

    trapezium

  • 35

    greater multangular

    trapezium

  • 36

    Pisiform is located most laterally. Trapezium does not articulate with lunate

    first statement is false, second is true

  • 37

    Lesser multangular

    trapezoid

  • 38

    2nd smalleat carpal

    trapezoid

  • 39

    Os magnum

    capitate

  • 40

    Largest carpal bone

    capitate

  • 41

    1st carpal bone to ossify

    capitate

  • 42

    Unciform

    hamate

  • 43

    Connects the pisiform to the hook of hamate

    pisohamate ligament

  • 44

    Canal formed by pisohamate ligament

    tunnel of guyon

  • 45

    Tunnel of guyon nerve

    ulnar nerve

  • 46

    Differences in wrist structure influence function

    true

  • 47

    Reduces structural pinchh at extremes

    two joint wrist system

  • 48

    Large ROM with less exposed articular surface

    two joint wrist system

  • 49

    Multijoint surfaces withstand imposed pressures better

    two joint wrist system

  • 50

    WJ movements as a biaxial joint

    flexion, extension, ulnar deviation, radial deviation

  • 51

    Flexion extension axis

    coronal

  • 52

    Ulnar/radial deviation axis

    AP axis

  • 53

    Normal WJ flexion

    65-85 deg

  • 54

    Normal WJ extension

    60-85 deg

  • 55

    Normal WJ radial deviation

    15-21 deg

  • 56

    Normal WJ ulnar deviation

    20-45 deg

  • 57

    Radiocarpal joint articulation

    distal radius, scaphoid, lunate, triquetrum

  • 58

    Distal radius

    biconcave, shallow side to side, sharper anteroposterior

  • 59

    Proximal joint surface

    lateral facet, medial facet, tfcc

  • 60

    Articulates with scaphoid

    lateral facet

  • 61

    Articulates with lunate

    medial facet

  • 62

    Contacts triquetrum and lunate in neutral wrist

    tfcc

  • 63

    Radial inclination of radiocarpal jt

    23 deg

  • 64

    Volar tilt of radiocarpal jt

    11 deg

  • 65

    Proximal carpal row ligaments

    scapholunate, lunotriquetral

  • 66

    Joint incongruence of radiocarpal joint

    20-40% surface contact at a time

  • 67

    ROM of radiocarpal joint

    Flexion>extension, Ulnar>radial dev

  • 68

    Negative ulnar variance

    short ulna, kienbock’s disease

  • 69

    Positive ulnar variance

    tfcc impingement, long ulna

  • 70

    Provides support to DRUJ, connect to ECU, triquetrum, hamate and 5th MC

    tfcc

  • 71

    Connects distal radius to the proximal carpals

    radiocarpal ligament

  • 72

    Wrist joints

    radiocarpal, midcarpal

  • 73

    Radiocarpal joint type

    condylloid/ellipsoid

  • 74

    Midcarpal joint type

    plane

  • 75

    Part 1

    Ligaments crossing RC joint also stabilize the midcarpal joint, Ligament functions for both joints are often discussed together

  • 76

    Part 2

    No muscles exclusively act on the RC joint, FCU inserts on the pisiform, indirectly affecting the triquetrum via ligaments

  • 77

    Part 3

    RC and midcarpal joint move in unison, Movements are influenced by ligaments and muscles attaching to the distal carpal row and metacarpals

  • 78

    Midcarpal joint articulation

    Scaphoid, Lunate, Triquetrum, Trapezium, Trapezoid, Capitate, Hamate

  • 79

    Functionally defined, separate from the radiocarpal joint

    midcarpal joint

  • 80

    Fibrous capsule with synovial lining, continuous with intercarpal articulations and some CMC joints

    midcarpal joint

  • 81

    Bound together for load distribution

    Capitate, Hamate

  • 82

    Complex concave-convex arrangement, simplifying movement conceptualization

    midcarpal jt

  • 83

    Midcarpal joint favors these movements

    extension, radial deviation

  • 84

    Contributes to transverse and logitudinal arches of the hand

    midcarpal joint

  • 85

    Dorsal ligaments

    thinner

  • 86

    Volar

    thicker and stronger

  • 87

    Connect carpal to radius, proximal ulna or distal metacarpals

    extrinsic ligaments

  • 88

    Interconnect carpals

    intrinsic ligaments

  • 89

    Stronger, slower to heal due to reliance on synovial fluid

    intrinsic ligaments

  • 90

    Prone to failure but heal faster due to vascular connection

    extrinsic ligaments

  • 91

    Ligaments of wrist complex all contribute to stability, guiding motion, and checkung excessive movement

    true

  • 92

    Ligament of midcarpal joint

    transverse carpal ligament

  • 93

    Responsible for the arch of the hand

    transverse carpal ligament

  • 94

    Prevents separation of the carpals

    transverse carpal ligament

  • 95

    Kinematics of midcarpal joint

    only gliding or sliding