Prosthetic Gait Deviations

Question 1

Drop Off/Premature Knee Flexion in Late Stance (Transtibial)

Answer 1

• Socket is set too far forward or excessively flexed
• Dorsiflexion bumper too soft
  
  • Excessive Dorsiflexion
• Prosthetic foot keel too soft
• Knee flexion contracture

Question 2

Circumduction

Answer 2

• Long Prosthesis
• Locked Knee
• Small/Loose Socket
• Inadequate Supsension
• Foot Plantar Flexed
• Abduction Contracture
• Poor Knee Control

Question 3

Lumbar Lordosis (Stance)

Answer 3

• Insufficient Anterior/Posterior Wall Support
• Painful Ischial Weight Bearing
• Hip Flexion Contracture
• Weak Hip Extensor/Abdominals

Question 4

Lateral Thrust at Midstance (Transtibial)

Answer 4

• Foot is Inset Too Much

Question 5

Uneven Step Length

Answer 5

• Socket Discomfort/Poor Alignment
• Hip Flexion Contracture
• Hip Instability

Question 6

Foot Rotation at Heel Strike

Answer 6

Foot Rotates Laterally at Heel Contact

• Malaligned Foot
• Stiff Heel Cusion
• Plantarflexion Bumper

Question 7

Delayed Knee Flexion During Late Stance (Transtibial)

Answer 7

Patient Feels Walking Uphill

• Socket is set too far back/lacks suffcient flexion
• Dorsiflexion bumper is too stiff/excess plantarflexion
• Prosthetic foot keel too long

Question 8

Terminal Swing Impact

Answer 8

Prosthesis comes to a sudden stop in late swing

• Insufficient Knee Friction
• Too Much Tension in Extension
• Patient Fears Knee Will Buckle
• Forceful Hip Flexion

Question 9

Swing Phase Whips

Answer 9

At Toe-Off, Heel Moves Medially/Laterally

• Rotated Socket/Knee Bolt
• Foot is Malaligned

Question 10

Inadequate Knee Flexion During Stance (Transtibial)

Answer 10

• Socket Too Far Back/Tilted Posteriorly
• Plantar Flexion Bumber/Heel Cusion Too Soft
• Low Heel Shoes
• Anteriodistal Discomfort
• Weak Quadriceps

Question 11

Vaulting

Answer 11

• Prosthesis Too Long
• Inadequate Suspension
• Socket Too Small
• Excessive Plantarflexion
• Inadequate Knee Flexion

Question 12

Foot Slap

Answer 12

• Heel Cusion
• Plantarflexion Bumper Too Soft

Question 13

Medial Thrust at Midstance (Transtibial)

Answer 13

• Foot is Outset Too Much

Question 14

Excessive Knee Flexion in Stance (Transtibial Amputuration)

Answer 14

• Socket Too Far Forward/Tilted Anteriorly
• Plantar Flexion Bumper Too Hard
• High Heel Shoes
• Knee Flexion Contracture
• Weak Quadriceps

Question 15

High Heel Rise

Answer 15

• Inadeuqate Knee Fruction
• Too Little Tension in Extension Aid

Question 16

Lateral Trunk Bending (Stance)

Answer 16

• Low Lateral Wall
• Short Prosthesis
• High Medial Wall
• Weak Abductors
• Abdductor Contracture
• Hip Pain
• Short Amputation Limb

Question 17

Forward Flexion (Stance)

Answer 17

• Unstable Knee
• Short Ambulatory Aids
• Hip Flexion Contracture

Question 18

Abducted Gait

Answer 18

• Crotch/Medial Wall Discomfort
• Long Prothesis
• Low Lateral Wall/Malalignment
• Tight Hip Abductors