Eextensor digitorum reflex is basically an example of monosynaptic as same as biceps reflex and brachioradialis reflex. Extensor digitoium reflex arc involves-receptor (muscle spindle in extensor digitoium), afferent (Iα fiber), center (Spinal cord C6, C7), efferent (alpha motor neurons), effector organ (skeletal muscle---extensor digitoium), while dynamic stretch reflexes of biceps reflex and brachioradialis reflex involving the spinal segment C5,C6.