Partial Foot Amputation

Question 1

Lisfranc

Answer 1

• tarsal-metatarsal disarticulation
• most proximal amputation sparing the ankle motion
• reduced pushoff
• RX: AFO w/ toe filler & rocker-bottom sole

Question 2

Chopart

Answer 2

• talonavicular and calcaneo-cuboid disarticulation
• high pressures at distal foot
• RX: Prosthosis w/ shoe

Question 3

Boyd

Answer 3

• horizontal transcalcaneal

- RX: Prosthosis w/ shoe

Question 4

Syme

Answer 4

• ankle disarticulation
• heel pad preservation/full weight bearing allowed
• RX: Prosthesis

Question 5

Syme Advantages

Answer 5

• limited distal end weight bearing without px
• self suspension
• increased control of the prosthesis due to RL length

Question 6

Syme Disadvantages

Answer 6

• inner partial sleeve may be not able to be used

- leg length discrepancy/compensation