prosthetics Flashcards
excessive knee flexion (prosthetic cause)
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
insufficient knee flexion (prosthetic cause)
1) Excessive plantarflexion of foot
2) Overly soft heel cushion or plantarflexion bumper
3) Posterior placement of socket over foot
Valgus moment at knee prosthetic cause
1) Outset prosthetic foot
2) Abducted socket
Varus moment at knee (prosthetic cause)
1) Inset prosthetic foot
2) Adducted socket
Knee hyperextension (prosthetic cause)
1) Excessive plantarflexion of foot
2) Overly soft heel cushion or plantarflexion bumper
3) Posterior placement of socket over foot
Posterior pelvic rotation (prosthetic cause)
1) Prosthesis too long
2) Plantarflexed foot
Early knee flexion
drop off) (prosthetic cause
1) Excessive anterior placement of socket over foot
2) Posterior placement of foot
3) Excessive prosthetic foot dorsiflexion or anterior bumper too soft
Delayed knee flexion
walking up a hill) (prosthetic cause
1) Excessive posterior placement of prosthetic foot
2) Plantarflexed prosthetic foot or anterior bumper too hard
Pelvic rise Swing phase (prosthetic cause)
1) Prosthesis too long
Swing phase (prosthetic cause) Decreased stride length on prosthetic side
1) Inadequate suspension
2) Prosthesis too short
Swing phase (prosthetic cause) Increased stride length on prosthetic side
1) Prosthesis too long
Swing phase (prosthetic cause) Decreased toe clearance
1) Prosthesis too long
2) Pistoning in socket-suspension
Swing phase (prosthetic cause) Increased toe clearance
none
Swing phase Lateral whip (prosthetic cause)
1) Internally rotated socket
2) Inadequate suspension
swing phase medial whip (prosthetic cause)
1) Externally rotated socket
2) Inadequate suspension
Excessive knee flexion (anatomical cause)
1) Flexion contracture of knee or hip
2) Weak quadriceps
Insufficient knee flexion (anatomical cause)
1) Pain, anterior and distal residual limb
2) Weak quadriceps
3) Overall joint laxity
4) Habit
Valgus moment at knee (anatomical cause)
1) Change in residual limb volume
Knee hyperextension (anatomical cause)
1) Pain, anterior and distal residual limb
2) Weak quadriceps
3) Overall joint laxity
4) Habit
Posterior pelvic rotation (anatomical cause)
3) Pelvic weakness
4) contractures
Early knee flexion (anatomical cause)
drop off
1) Pelvic/core weakness
Delayed knee flexion (anatomical cause)
walking up a hill
1) Weak hip extensors
Decreased stride length on prosthetic side (anatomical cause)
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
Pelvic rise (anatomical cause)
1) Pelvic/core weakness
Increased stride length on prosthetic side (anatomical cause)
1) Pain in residual limb
Decreased toe clearance (anatomical cause)
1) Improper donning
2) Change in volume
3) Weak hip and knee flexors
Increased toe clearance (anatomical cause)
1) Vaulting
2) Excessive hip and knee flexion
(anxiety and exposure)
Lateral whip (anatomical cause)
1) Improper donning
Medial whip (anatomical cause)
1) Improper donning
Amputee Lateral trunk bend
Trendelenberg
(anatomical cause)
1) Weak hip abductors
2) Pain
3) Abduction contracture
4) Short residual limb
Amputee External rotation of prosthesis
anatomical cause
1) Improper donning
2) Poor residual limb control
Amputee Knee flexion
Instability
(anatomical cause)
1) Weak hip extensors
2) Hip flexion contracture
3) Change in shoe heel height
Amputee Abducted gait
Wide BOS
(anatomical cause)
1) Pain
2) Anxiety
Amputee Lateral trunk bend/Trendelenberg
anatomical cause
1) Pain
2) Anxiety
Amputee Trunk lordosis
anatomical cause
1) Hip flexor contracture
2) Weak core
3) Weak hip extensors
Amputee Trunk flexion
anatomical cause
1) Hip flexion contracture
Amputee Decreased stance time
anatomical cause
1) Pain
2) Anxiety
Amputee Terminal impact
anatomical cause
1) Anxiety
2) Habit
Amputee Medial whip
anatomical cause
1) Improper donning
2) Change in residual limb volume
Amputee Lateral Whip
anatomical cause
1) Improper donning
2) Change in residual limb volume
Amputee Circumduction
anatomical cause
1) Anxiety
2) Abduction contracture
Amputee Vaulting (anatomical cause)
1) Anxiety
Amputee Decreased prosthetic knee flexion
anatomical cause
1) Patient growth in height
Amputee Decreased stride length on prosthetic side
anatomical cause
1) Pain in uninvolved limb
2) Hip flexion contracture in uninvolved limb
3) Anxiety
4) Change in residual limb volume
Amputee Increased stride length on prosthetic side
anatomical cause
1) Hip flexion contracture on uninvolved limb
2) Knee flexion contracture on uninvolved limb
Amputee Decreased toe clearance
anatomical cause
1) Improper donning
2) Change in volume
3) Weak hip and knee flexors
Amputee Increased toe clearance
anatomical cause
1) Vaulting
2) Excessive hip and knee flexion
(anxiety and exposure)
Amputee Lateral trunk bend
Trendelenberg
(prosthetic cause)
1) Abducted socket
2) Socket fit/trim lines
Amputee External rotation of prosthesis
prosthetic cause
1) Trim lines anterior
2) Heel cushion or posterior bumper too stiff
Amputee Knee flexion
Instability
(prosthetic cause)
1) Knee axis to anterior
2) Dorsiflexed foot or heel cushion posterior bumper too stiff
3) Insufficient extension assist
Amputee Abducted gait
Wide BOS
(prosthetic cause)
1) Prosthesis too long
2) Medial wall of socket too high
3) Foot offset incorrect
Amputee Lateral trunk bend/Trendelenberg
prosthetic cause
1) Prosthesis too long
2) Medial wall of socket too high
3) Foot offset incorrect
Amputee Trunk lordosis
prosthetic cause
1) Insufficient socket flexion
2) Posterior wall trim lines
Amputee Trunk flexion
prosthetic cause
1) Socket flexed too much
Amputee Decreased stance time
prosthetic cause
1) Socket fit
Amputee Terminal impact
prosthetic cause
1) Insufficient knee friction
2) Excessive extension assist
Amputee Medial whip
prosthetic cause
1) Prosthetic knee aligned in internal rotation
2) Socket fit
Amputee Lateral Whip
prosthetic cause
1) Prosthetic knee aligned in external rotation
2) Socket fit
Amputee Circumduction
prosthetic cause
1) Prosthesis too long
2) Medial trim lines to high
Amputee Vaulting
prosthetic cause
1) Prosthesis too long- multiple reasons
Amputee Decreased prosthetic knee flexion
prosthetic cause
1) Prosthesis too short
Amputee Decreased stride length on prosthetic side
prosthetic cause
1) Prosthesis too short
2) Inadequate suspension
Amputee Increased stride length on prosthetic side
prosthetic cause
1) Prosthesis too long
Amputee Decreased toe clearance
prosthetic cause
1) Prosthesis too long
2) Pistoning in socket-suspension
Amputee Increased toe clearance
prosthetic cause
none
