How does the stretch reflex cause the quadriceps femoris muscle group to contract?

Question

Simon Wade

Biology

26 March, 10:32

How does the stretch reflex cause the quadriceps femoris muscle group to contract?

+1

Answers (1)

Know the Answer?

Charles Yang · Answer 1

Tapping on the patellar tendon stretches receptors called the muscle spindles in the quadriceps muscle group of the anterior thigh. This stimulus evokes a rapid motor reflex to contract the quadriceps and shorten the muscles. This process is called the patellar reflex.