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 ...

The main framework of the body is covered by muscles, whose function is to permit movement. The diagrams are adapted from Dank (1990) [1] DANK, L. (1990) Principle superficial skeletal muscles.

Rheumatoid arthritis (RA) can affect many different body systems, including joints such as the wrists, elbows, shoulders, and spine. It can cause myositis (muscle arthritis), joint inflammation, skin ...