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Movement Science > Exam 1 > Flashcards

Exam 1 Flashcards

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1
Q

GH abduction/adduction occurs around what axis

A

anteroposterior

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2
Q

GH flexion/extension occurs around what axis

A

mediolateral

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3
Q

GH internal/external rotation occurs around what axis

A

vertical

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4
Q

Arthrokinematics for GH abduction

A

head of humerus rolls superior and slides inferior

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5
Q

Arthrokinematcis for GH flexion

A

spin: superior aspect of humerus moves anteriorly

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6
Q

Arthrokinematcis for GH internal rotation

A

head of humerus rolls anterior and slides posterior

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7
Q

closed packed position for GH joint

A

full abduction and external rotation

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8
Q

loose packed position for GH joint

A

45 degrees of abduction

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9
Q

Arthrokinematcis for elevation at SC joint

A

convex clavicle rolls superior and slides inferior on the concave sternum

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10
Q

which axis does elevation/depression occur in at the SC joint

A

anteroposterior

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11
Q

which axis does protraction/retraction occur at the SC joint

A

vertical

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12
Q

which axis does anterior/posterior rotation occur at the SC joint

A

mediolateral

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13
Q

Arthrokinematcis for protraction at SC joint

A

concave clavicle rolls and slides anterior

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14
Q

Arthrokinematcis for retraction at SC joint

A

concave clavicle rolls and slides posterior

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15
Q

Arthrokinematcis for anterior rotation at SC joint

A

superior aspect of clavicle will face more anterior

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16
Q

Arthrokinematcis for posterior rotation at SC joint

A

superior aspect of clavicle will face more posterior

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17
Q

close packed position for SC joint

A

maximal posterior rotation (think about have shoulder flexed)

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18
Q

how many DOF at AC joint

A

6

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19
Q

upward/downward rotation at AC joint occurs around what axis

A

anteroposterior

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20
Q

internal/external rotation at the AC joint occurs around what axis

A

vertical (this type of movement goes along with protraction at SC joint)

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21
Q

close packed for AC joint

A

90 degrees of shoulder abduction

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22
Q

elevation and depression at the ST joint occurs around what axis

A

vertical (this is a linear movement)

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23
Q

movements involved in ST elevation

A

SC joint elevation

AC joint downward rotation

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24
Q

upward/downward rotation at the ST joint occurs around what axis

A

anteroposterior

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25
Q

movements involved in ST upward rotation

A

SC joint elevation

AC joint upward rotation

26
Q

is upward rotation or elevation at the ST joint an angular movement

A

upward rotation is an angular movement

27
Q

protraction at the ST joint is accomplished by

A

SC joint protraction

AC joint internal rotation

28
Q

Arthrokinematcis for HU joint flexion

A

concave ulna rolls and slides anterior

29
Q

Arthrokinematcis for HU joint extension

A

concave ulna rolls and slides posterior

30
Q

close packed position for HU joint

A

full extension

31
Q

loose packed position for HU joint

A

flexed to 70 degrees

32
Q

Arthrokinematcis for HR joint flexion

A

roll and slide anterior (same as for HU joint)

33
Q

Arthrokinematcis for HR joint extension

A

roll and slide posterior (same as for HU joint)

34
Q

closed packed for HR joint

A

flexed at 90 degrees

35
Q

loose packed for HR joint

A

fully extended (no muscles activated)

36
Q

what is the articulation at the proximal radioulnar joint

A

-concave radius with humerus

37
Q

what is the articulation at the distal radioulnar joint

A

-concave radius and convex ulna

38
Q

at the PROXIMAL radioulnar joint what are the arthrokinematics for supination

A

radius will spin laterally

39
Q

at the PROXIMAL radioulnar joint what are the arthrokinematics for pronation

A

radius will spin medially

40
Q

at the DISTAL radioulnar joint what are the arthrokinematics for supination

A

radius rolls and slides dorsal

41
Q

at the DISTAL radioulnar joint what are the arthrokinematics for pronation

A

radius rolls and slides ventral

42
Q

radioulnar motion is primarily limited where

A

at the distal articulation

43
Q

when are pronators the strongest?

A

when you are supinated

44
Q

bicpes brachii is a good supinator when in_______

A

elbow flexion

45
Q

brachioradialis is a good supinator when in what_____

A

pronation

46
Q

when is the supinator the strongest?

A

when pronated

47
Q

can be biceps produce supination when extended?

A

No bc of a parallel PMA

48
Q

how many DOF at the radiocarpal joint

A

2

49
Q

arthrokinematics for flexion at the radiocarpal joint

A

proximal carpal row is rolling ventrally and sliding dorsally (bc the convex proximal carpal row is moving on the concave radius)

50
Q

arthrokinematics for radiocarpal extension

A

proximal carpal row rolls dorsally and slides ventrally

51
Q

arthrokinematics for radial deviation

A

proximal carpal row rolls radially and slides ulnarly

52
Q

arthrokinematics for ulnar deviation

A

proximal carpal row rolls ulnarly and slides radially

53
Q

how many DOF for midcarpal joint

A

2

54
Q

What is the axis of rotation for both the radiocarpal and the midcarpal joint

A

the capitate bone

55
Q

arthrokinematics for flexion at the midcarpal joint

A

distal carpal row rolls ventrally and slides dorsally

56
Q

arthrokinematics for extension and the midcarpal joint

A

distal carpal row rolls dorsally and slides ventrally

57
Q

arthrokinematics for radial deviation at the midcarpal joint

A

distal carpal row rolls radially and slides ulnarly

58
Q

arthrokinematics for ulnar deviation

A

distal carpal row rolls ulnarly and slides radially

59
Q

closed packed at the RC and MC joints

A

full extension or fully radial deviation

60
Q

loose packed at the RC and MC joints

A

anatomical position

Movement Science (2 decks)

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