Spinal nerve root level		Evaluation of motor function
Cervical
	C5	Abduct arm
	C6, C7, C8	Adduct arm
	C5, C6	Flex elbow
	C7, C8	Extend elbow
	C6	Pronate and supinate forearm
	C6, C7	Flex and extend wrist
	C7, C8	Flex and extend fingers
Thoracic
	T1	Abduct and adduct fingers
Lumbar
	L1, L2, L3	Flex, adduct and medially rotate hip
	L3, L4	Extend knee
	L4, L5	Dorsiflex and invert ankle
	L5	Extend toe (extensor hallucis longus)
Sacral
	S1	Evert ankle
	S1, S2	Flex plantar