diffuse force Archives | Seating Dynamics

Knee Extension and Sustained Forces indicate need for Dynamic Footrests

With both feet unstrapped from her wheelchair, Alex quickly extends both knees with sustained force.

Large and Forceful Leg Movements indicate need for Dynamic Footrests

With her left foot unstrapped from her wheelchair, Alex demonstrates lower extremity large and forceful movements.

Quick Class: Dynamic Seating – Absorbing and Diffusing Force

Many clients using wheelchair seating have increased muscle tone. This can lead to active extension, particularly at the hips, knees, and neck.

3 Reasons to Allow the Neck to Extend

In previous blogs, we have discussed clinical indicators for providing dynamic movement at the hips and knees. Another location dynamic movement can be provided is at the neck through Dynamic head support mounting hardware.

Seating Dynamics Dynamic Telescoping Footrest for Wheelchair Movement

Some clients may benefit from a telescoping feature in their wheelchair footrest. This client may have very tight hamstrings which limit active knee extension. The telescoping feature can absorb and diffuse force. Knee extension, in combination with the telescoping feature, follows the natural arc of movement which occurs when the knee is straightened.

Using Dynamic Seating To Diffuse Force And Reduce Overall Extension

As discussed in our last 2 blogs, dynamic seating is commonly used to prevent breakage of the wheelchair seating system and frame. Another common application of dynamic seating is to diffuse force and reduce overall extension.