Hello! Welcome to my non-exhaustive second part of Mobility-Aids Jack Abbot Probably Has
Leggies and adaptive home gear!
Jack is a BKA/below-knee-amputee and because of that he uses a prosthetic leg.
But, let’s talk a little more about what his amputation means for him.
Jack has a trans-tibial means cut through the tibia (shin bones) amputation.
So, he kept his knee joint, which means it takes a whole lot less effort for him to walk with a prosthetic. It’s not easy, regardless, but it could be harder. But as there is no weight bearing bone remaining, his soft tissue is loaded to take the weight when standing/walking. Which means his residual limb is not stiff, it’s WIGGLY, it’s fat. It’s cushioned, it has to be, so he can walk on it.
Here is a breakdown of a typical prosthetic leg and each part.
Patellar Tendon Bearing (PTB): distributes weight over the patellar tendon and takes the pressure off other areas.
Total Surface Bearing (TSB): spreads out the pressure across the entire residual limb/stump, used with a gel liner for comfort.
Hydrostatic or Contoured Sockets: Needs fancy shaping to match the pressure-load tolerance of the residual limb, often used for complex limb shapes/unique amputations or specific high-impact activities.
From looking at Jack’s residual limb, he probably has one or two PTBs for older crappier legs and uses a TSB for his daily use legs.
Which means he has liners and socks for his leg before he puts it on.
Suspension System (what holds the leg on):
Suction: Uses a liner to hold the leg on, with a valve to create suction as air is pulled from the socket.
Pin and Shuttle Lock: A pin in the liner will lock into a mechanism at the bottom of the socket.
Vacuum-Assisted: A pump will draw air out of the socket to make a seal.
These all work for different PTBs and TSBs.
SACH (Solid-Ankle, Cushion-Heel): a hunk of plastic.
Single-Axis: allows one movement.
Multi-Axis: allows multiple movements.
Dynamic Response Feet: they help by storing potential energy to be used as kinetic energy, (ie, they have recoil).
Microprocessor-Controlled Feet: they adjust to changing surfaces and terrains.
Now, I guarantee our boy has two other legs in his rotation: a wet leg and a running leg.
A wet leg is exactly what it sounds like, a leg that can get wet. They are specifically designed for water activity.
Unless you are using them for a specific task, like a flipper, they typically don’t do much.
Now, for running legs. Most people think of a running blade, which is absolutely an option for Jack. He could even swap a running blade onto his existing leg, or have a separate one completely. But sprinting and long-distance running typically require different feet. Sprinting feet (shaped like a J) need to be more rigid for better recoil and push off. Longer distances require a slower release of energy (foot shaped like a C).
I need this shit, I assume Jack does too…
Shower chair that unlocks and swivels.
A wheelchair left upstairs and one left downstairs.
A lift! A not-steep ramp outside!
Soft carpeting! (Or no carpeting! If you are dragging your ass on the floor, you need soft carpeting or you will tear a hole in your ass. If you stay in your chair, no carpeting is better.)
Doorways that are at least 32 inches wide!
A minimum of a 5-foot turn radius!
ADA-compliant appliances with buttons on the front!
Accessible showers! This can be achieved with more space, a shower seat or a shower wheelchair and grab rails with wall reinforcements around the toilet and shower.
Wheelchair Accessible Closets!
Closet rods and shelving tend to be too fucking high for wheelchair users.
No grass, cobblestone, and brick right up to the door.
Welp, if you have any further questions, let me know.
This has been crippletalk with MB. 😘