13 19 MMT was performed on 23 muscle groups in London (right and left side): facial muscles (Orbitalis Oculi and Orbicularis Oris, with the lowest score being recorded), neck flexors and extensors, ...

This is why they usually work a joint in pairs. One muscle of the pair contracts to move the body part, the other muscle in the pair then contracts to return the body part back to the original ...

Muscle is a soft tissue composed of elongated cells (muscle fibres) that produce force and motion through contraction. Involuntary cardiac and smooth muscles are responsible for contraction of the ...