Prosthetics: Gait Deviations Flashcards
Lateral bending: prosthesis causes (socket)
- Improperly shaped lateral wall
- High medial wall
Lateral bending: prosthesis causes
Alignment/length
- Prosthesis too short
- Aligned in abduction
Lateral bending: amputee causes
- Poor balance
- Abduction contracture
- Improper training
- Short residual limb
- Weak hip abductors on prosthetic side
- Hypersensitive and painful residual limb
Abducted gait: prosthetic causes
Socket
- high medial wall
- poorly shaped lateral wall
- inadequate suspension
Abducted gait: prosthetic causes
Length/positioning
Prosthesis too long
Positioned in abduction
Abducted gait: prosthetic causes
Componentry
Excessive knee friction
Abducted gait: amputee causes
- Abduction contracture
- Improper training
- Adductor roll
- Weak hip flexors and adductors
- Pain over lateral residual limb
Circumducted gait: prosthetic causes
Length
Too long
Circumducted gait: prosthetic causes
Knee/foot componentry
Excessive knee friction
Excessive plantarflexion
Circumducted gait: prosthetic causes
Socket
Too small
Circumducted gait: amputee causes
- abduction contracture
- improper training
- weak hip flexors
- lacks confidence to flex the knee
- painful anterior distal limb
- inability to initiate prosthetic knee flexion
Excessive knee flexion during stance: prosthetic causes
Socket
Set forward in relation to foot
Excessive knee flexion during stance: prosthetic causes
Foot
Excessive dorsiflexors
Stiff heel
Excessive knee flexion during stance: prosthetic causes
Length
Prosthesis too long
Excessive knee flexion during stance: amputee causes
Contractures
Hip flexion contracture
Knee flexion contracture
Excessive knee flexion during stance: amputee causes
Other than contractures
Anterior pain in RL
Decreased quad strength
Poor balance
Vaulting: Prosthetic causes
Socket
Inadequate socket suspension
Vaulting: Prosthetic causes
Length
Prosthesis too long
Vaulting: Prosthetic causes
Alignment
Excessive alignment stability
Vaulting: Prosthetic causes
Foot
Excessive PF
Vaulting: amputee causes
- RL discomfort
- improper training
- fear of stubbing toe
- short RL
- painful hip/RL
Rotation of forefoot at heel strike: prosthetic causes
Socket
Loose-fitting socket
Inadequate suspension
Rotation of forefoot at heel strike: prosthetic causes
Foot
Excessive toe-out built in
Rigid SACH heel cushion
Rotation of forefoot at heel strike: amputee causes
- Poor muscle control
- Improper training
- weak hip IR
- Short RL
Forward trunk flexion: prosthetic causes
Socket
Socket too big
Poor suspension
Forward trunk flexion: prosthetic causes
Knee
Knee instability
Forward trunk flexion: amputee causes
Weakness
Weak hip extensors
Forward trunk flexion: amputee causes
Contracture
Hip flexion contracture
Forward trunk flexion: amputee causes
Other than contracture/weakness
Pain with ischial WB
Inability to initiate prosthetic knee flexion
Medial or lateral whip: prosthetic causes
Knee
Excessive rotation of the knee
Valgus in prosthetic knee
Medial or lateral whip: prosthetic causes
Foot
Improper alignment of toe break
Medial or lateral whip: prosthetic causes
Socket
Tight socket fit
Medial or lateral whip: amputee causes
Improper training
Weak hip rotators
Knee instability
