Spinal cord neural circuits react differently to movement speeds: 5 takeaways

Practicing movements at various speeds improves nerve functions following a spinal cord injury, based on a Japan-based Hiroshima University study, according to News-Medical

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Here are five takeaways:

 

1. The study found different circuits of nerves in the spinal cord react differently to movement speed.

 

2. Whereas the presynaptic inhibition circuit reacts to signals telling muscles to contract after repetitive movements at any speed, the reciprocal la inhibition circuit reacts more strongly to repetitive fast movements.

 

3. Motor skill rehabilitation may prove more effective if the therapy focuses on the type of neural circuit controlling the physical movement.

 

4. For example, walking is associated with the reciprocal la inhibition circuit. So, this action will be improved through practice sessions of fast movements.

 

5. The study’s findings could benefit physical therapy plans for patients trying to control their movements following a spinal cord injury.

 

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