prosthetics

Question 1

excessive knee flexion (prosthetic cause)

Answer 1

excessive dorsiflexion of the foot
excessive stiff heel cushion or plantarflexion bumper
excessive anterior placement of socket over the foot
misplacement of suspension and support structures of socket

Question 2

insufficient knee flexion (prosthetic cause)

Answer 2

1) Excessive plantarflexion of foot
2) Overly soft heel cushion or plantarflexion bumper
3) Posterior placement of socket over foot

Question 3

Valgus moment at knee prosthetic cause

Answer 3

1) Outset prosthetic foot

2) Abducted socket

Question 4

Varus moment at knee (prosthetic cause)

Answer 4

1) Inset prosthetic foot

2) Adducted socket

Question 5

Knee hyperextension (prosthetic cause)

Answer 5

1) Excessive plantarflexion of foot
2) Overly soft heel cushion or plantarflexion bumper
3) Posterior placement of socket over foot

Question 6

Posterior pelvic rotation (prosthetic cause)

Answer 6

1) Prosthesis too long

2) Plantarflexed foot

Question 7

Early knee flexion

drop off) (prosthetic cause

Answer 7

1) Excessive anterior placement of socket over foot
2) Posterior placement of foot
3) Excessive prosthetic foot dorsiflexion or anterior bumper too soft

Question 8

Delayed knee flexion

walking up a hill) (prosthetic cause

Answer 8

1) Excessive posterior placement of prosthetic foot

2) Plantarflexed prosthetic foot or anterior bumper too hard

Question 9

Pelvic rise Swing phase (prosthetic cause)

Answer 9

1) Prosthesis too long

Question 10

Swing phase (prosthetic cause)
Decreased stride length on prosthetic side

Answer 10

1) Inadequate suspension

2) Prosthesis too short

Question 11

Swing phase (prosthetic cause)
Increased stride length on prosthetic side

Answer 11

1) Prosthesis too long

Question 12

Swing phase (prosthetic cause)
Decreased toe clearance

Answer 12

1) Prosthesis too long

2) Pistoning in socket-suspension

Question 13

Swing phase (prosthetic cause)
Increased toe clearance

Answer 13

none

Question 14

Swing phase
Lateral whip (prosthetic cause)

Answer 14

1) Internally rotated socket

2) Inadequate suspension

Question 15

swing phase
medial whip (prosthetic cause)

Answer 15

1) Externally rotated socket

2) Inadequate suspension

Question 16

Excessive knee flexion (anatomical cause)

Answer 16

1) Flexion contracture of knee or hip

2) Weak quadriceps

Question 17

Insufficient knee flexion (anatomical cause)

Answer 17

1) Pain, anterior and distal residual limb
2) Weak quadriceps
3) Overall joint laxity
4) Habit

Question 18

Valgus moment at knee (anatomical cause)

Answer 18

1) Change in residual limb volume

Question 19

Knee hyperextension (anatomical cause)

Answer 19

1) Pain, anterior and distal residual limb
2) Weak quadriceps
3) Overall joint laxity
4) Habit

Question 20

Posterior pelvic rotation (anatomical cause)

Answer 20

3) Pelvic weakness

4) contractures

Question 21

Early knee flexion (anatomical cause)

drop off

Answer 21

1) Pelvic/core weakness

Question 22

Delayed knee flexion (anatomical cause)

walking up a hill

Answer 22

1) Weak hip extensors

Question 23

Decreased stride length on prosthetic side (anatomical cause)

Answer 23

1) Volume change in residual limb
2) Pain in uninvolved limb
3) Hip flexion contracture on uninvolved limb
4) Knee flexion contracture involved side
5) Anxiety

Question 24

Pelvic rise (anatomical cause)

Answer 24

1) Pelvic/core weakness

Question 25

Increased stride length on prosthetic side (anatomical cause)

Answer 25

1) Pain in residual limb

Question 26

Decreased toe clearance (anatomical cause)

Answer 26

1) Improper donning 2) Change in volume 3) Weak hip and knee flexors

Question 27

Increased toe clearance (anatomical cause)

Answer 27

1) Vaulting 2) Excessive hip and knee flexion (anxiety and exposure)

Question 28

Lateral whip (anatomical cause)

Answer 28

1) Improper donning

Question 29

Medial whip (anatomical cause)

Answer 29

1) Improper donning

Question 30

Amputee Lateral trunk bend Trendelenberg (anatomical cause)

Answer 30

1) Weak hip abductors 2) Pain 3) Abduction contracture 4) Short residual limb

Question 31

Amputee External rotation of prosthesis | anatomical cause

Answer 31

1) Improper donning | 2) Poor residual limb control

Question 32

Amputee Knee flexion Instability (anatomical cause)

Answer 32

1) Weak hip extensors 2) Hip flexion contracture 3) Change in shoe heel height

Question 33

Amputee Abducted gait Wide BOS (anatomical cause)

Answer 33

1) Pain | 2) Anxiety

Question 34

Amputee Lateral trunk bend/Trendelenberg | anatomical cause

Answer 34

1) Pain | 2) Anxiety

Question 35

Amputee Trunk lordosis | anatomical cause

Answer 35

1) Hip flexor contracture 2) Weak core 3) Weak hip extensors

Question 36

Amputee Trunk flexion | anatomical cause

Answer 36

1) Hip flexion contracture

Question 37

Amputee Decreased stance time | anatomical cause

Answer 37

1) Pain | 2) Anxiety

Question 38

Amputee Terminal impact | anatomical cause

Answer 38

1) Anxiety | 2) Habit

Question 39

Amputee Medial whip | anatomical cause

Answer 39

1) Improper donning | 2) Change in residual limb volume

Question 40

Amputee Lateral Whip | anatomical cause

Answer 40

1) Improper donning | 2) Change in residual limb volume

Question 41

Amputee Circumduction | anatomical cause

Answer 41

1) Anxiety | 2) Abduction contracture

Question 42

Amputee Vaulting (anatomical cause)

Answer 42

1) Anxiety

Question 43

Amputee Decreased prosthetic knee flexion | anatomical cause

Answer 43

1) Patient growth in height

Question 44

Amputee Decreased stride length on prosthetic side | anatomical cause

Answer 44

1) Pain in uninvolved limb 2) Hip flexion contracture in uninvolved limb 3) Anxiety 4) Change in residual limb volume

Question 45

Amputee Increased stride length on prosthetic side | anatomical cause

Answer 45

1) Hip flexion contracture on uninvolved limb | 2) Knee flexion contracture on uninvolved limb

Question 46

Amputee Decreased toe clearance | anatomical cause

Answer 46

1) Improper donning 2) Change in volume 3) Weak hip and knee flexors

Question 47

Amputee Increased toe clearance | anatomical cause

Answer 47

1) Vaulting 2) Excessive hip and knee flexion (anxiety and exposure)

Question 48

Amputee Lateral trunk bend Trendelenberg (prosthetic cause)

Answer 48

1) Abducted socket | 2) Socket fit/trim lines

Question 49

Amputee External rotation of prosthesis | prosthetic cause

Answer 49

1) Trim lines anterior | 2) Heel cushion or posterior bumper too stiff

Question 50

Amputee Knee flexion Instability (prosthetic cause)

Answer 50

1) Knee axis to anterior 2) Dorsiflexed foot or heel cushion posterior bumper too stiff 3) Insufficient extension assist

Question 51

Amputee Abducted gait Wide BOS (prosthetic cause)

Answer 51

1) Prosthesis too long 2) Medial wall of socket too high 3) Foot offset incorrect

Question 52

Amputee Lateral trunk bend/Trendelenberg | prosthetic cause

Answer 52

1) Prosthesis too long 2) Medial wall of socket too high 3) Foot offset incorrect

Question 53

Amputee Trunk lordosis | prosthetic cause

Answer 53

1) Insufficient socket flexion | 2) Posterior wall trim lines

Question 54

Amputee Trunk flexion | prosthetic cause

Answer 54

1) Socket flexed too much

Question 55

Amputee Decreased stance time | prosthetic cause

Answer 55

1) Socket fit

Question 56

Amputee Terminal impact | prosthetic cause

Answer 56

1) Insufficient knee friction | 2) Excessive extension assist

Question 57

Amputee Medial whip | prosthetic cause

Answer 57

1) Prosthetic knee aligned in internal rotation | 2) Socket fit

Question 58

Amputee Lateral Whip | prosthetic cause

Answer 58

1) Prosthetic knee aligned in external rotation | 2) Socket fit

Question 59

Amputee Circumduction | prosthetic cause

Answer 59

1) Prosthesis too long | 2) Medial trim lines to high

Question 60

Amputee Vaulting | prosthetic cause

Answer 60

1) Prosthesis too long- multiple reasons

Question 61

Amputee Decreased prosthetic knee flexion | prosthetic cause

Answer 61

1) Prosthesis too short

Question 62

Amputee Decreased stride length on prosthetic side | prosthetic cause

Answer 62

1) Prosthesis too short | 2) Inadequate suspension

Question 63

Amputee Increased stride length on prosthetic side | prosthetic cause

Answer 63

1) Prosthesis too long

Question 64

Amputee Decreased toe clearance | prosthetic cause

Answer 64

1) Prosthesis too long | 2) Pistoning in socket-suspension

Question 65

Amputee Increased toe clearance | prosthetic cause

Answer 65

none