Reciprocal inhibition

Reciprocal inhibition is a neurological concept that describes the process of muscles on one side of a joint relaxing to accommodate contraction on the other side of that joint. This process is also known as Sherrington's law, named after the British neurophysiologist Charles Sherrington who first described this phenomenon.

Overview

Reciprocal inhibition occurs during reflex arcs and is essential for normal movement. It allows the body to move in an efficient and coordinated manner. The process is controlled by the central nervous system, specifically the spinal cord.

Mechanism

The process of reciprocal inhibition begins when a motor neuron sends a signal to a muscle, causing it to contract. At the same time, an inhibitory interneuron in the spinal cord sends a signal to the opposing muscle, causing it to relax. This allows for smooth, coordinated movement.

Clinical significance

Reciprocal inhibition has significant implications in the field of physical therapy and rehabilitation. Understanding and utilizing this concept can help in the treatment of conditions such as stroke, Parkinson's disease, and cerebral palsy. It can also be used in the management of muscle spasticity and rigidity.

See also

• Inhibitory postsynaptic potential
• Motor neuron
• Reflex arc

References

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