Transtibial Prosthetic Gait Deviations

Question 1

Excessive Knee Flexion during Stance

Answer 1

• Socket may be too far forward or tilted anteriorly
• PF bumper too hard and limits PF
• High heel shoes
• Knee flexion contracture or weak quad

Question 2

Inadequate Knee Flexion during Stance

Answer 2

• Socket may be aligned too far back or tilted posteriorly
• PF bumper or heel cushion too soft
• Low heel shoes
• Anterodistal discomfort
• Weak quad

Question 3

Lateral Thrust at Midstance

Answer 3

• Foot is inset too much

Question 4

Medial Thrust at Midstance

Answer 4

• Foot is outset too much

Question 5

Drop off or Premature Knee Flexion in Late Stance

Answer 5

• Socket is set too far forward or excessively flexed
• DF bumper is too soft resulting in excessive DF
• Prosthetic foot keel too short
• Knee flexion contracture

Question 6

Delated Knee Flexion during Late Stance

Answer 6

“Pt feels like they are walking up hill”

• Socket is set too far back or lacks sufficient flexion
• DF bumper is too stiff causing excessive PF
• Prosthetic foot keel too long