7 Mind-Blowing Muscle Facts That Will Leave You Speechless.

The masseter, located in the jaw, is the strongest muscle in the human body.

Muscles can contract with a force of up to 3 times their resting length.

Muscle memory allows muscles to become more efficient at a task through repetition.

The gluteus maximus is the body's largest muscle.

Exercise increases the number of capillaries surrounding muscles, improving blood flow and oxygen delivery.

Lack of exercise can lead to muscle atrophy, causing muscles to weaken and shrink.

Muscles work in pairs, with one muscle contracting while the other relaxes, allowing for movement.