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Dynamic Stories: Time to Rock and Not Roll

Michelle L. Lange, OTR/L, ABDA, ATP/SMS

Phillip is a mover and a shaker – literally! This adult with intellectual disabilities likes to move. He lives at a residential facility in Delaware. Years of rocking in his manual wheelchairs have left a trail of destruction. He has broken seating systems, mounting hardware, and wheelchair frames as a result of repeated and often strong movements. Phillip is currently using a tilt in space manual wheelchair with a linear back and an off-the-shelf cushion. When he rocks, he tends to move the entire chair across the room, so the staff lock the wheels. The result? He rocks with such force that the solid tires have repeatedly broken where they contact the wheel locks!

The supplier working with Phillip ordered a dynamic back to address his need to move and to protect the wheelchair from further damage. However, the dynamic back selected was not durable enough to sustain Phillip’s forceful movements. The elastomer in that dynamic back had been replaced with a Seating Dynamics elastomer, which was more durable. In light of Phillip’s movement needs, the entire dynamic back hardware needed to be more robust. He also has a dynamic component on the footrest hangers, however this spring (mounted between the footrest hanger and the footplate) is designed to capture forces exerted when the feet are pivoted outward and provide minimal movement.

Phillip likes, and needs, to move. By moving against static surfaces, he is constantly experiencing strong forces against various areas of his body, particularly his posterior trunk and head. This could lead to discomfort and even injury. Why would he move if it hurts? Many clients move to provide sensory input (i.e. vestibular, proprioceptive), to calm agitation, and to increase alertness.

I recommended a Seating Dynamics rocker back, footrests, and head support hardware to accommodate Phillip’s movement. I can’t wait to see some videos of him in this new equipment! I think he will love all the movement these components provide – and his team will love less wheelchair repairs and replacement!

Failing dynamic back hardware.

Phillip rocking in his current wheelchair (used with permission). Phillip banging on his current head support (used with permission).


1 Comment

  1. Michelle Lange on July 18, 2018 at 2:26 am

    Phillip has now received his new Seating Dynamics Dynamic Back, Dynamic Footrests and Dynamic Head Support Hardware. He is doing great and has had no more equipment breakage! To view a video of Phillip using his new equipment, go to on the Seating Dynamics YouTube channel!

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