Activation of Golgi tendon organs during overstretching of a muscle protects the muscle by inhibiting its contraction.

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Golgi tendon organs are sensory receptors located at the junctions of muscles and tendons. They respond to tension in the muscle by sending signals to the spinal cord, which then inhibits the motor neurons responsible for muscle contraction. This mechanism helps protect the muscle from damage due to overstretching by reducing its contraction force.

Activation of Golgi Tendon Organs During Overstretching of a Muscle