Muscle contraction and Pang

Muscle contraction noun - Physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber.

Pang and muscle contraction are semantically related. In some cases you can use "Pang" instead a noun phrase "Muscle contraction".

Pang noun - A sharp unpleasant sensation usually felt in some specific part of the body.

Muscle contraction and pang are semantically related. You can use "Muscle contraction" instead a noun "Pang".