Golgi tendon organs used to detect ?

Ans. C. Tension of muscleThe Golgi tendon organ (GTO) (also called Golgi organ, tendon organ, neurotendinous organ or neurotendinous spindle) is a proprioceptive sensory receptor organ that senses changes in muscle tension. It lies at the origins and inseion of skeletal muscle fibers into the tendons of skeletal muscle.