This study is changing the game in preventive health: "A strong soleus might just be your best cardiovascular insurance," ...

This Swallowtail butterfly has multiple pairs of legs as a caterpillar, but they look completely different once it undergoes metamorphosis.

Nerves carry messages from the spinal cord to the muscles in the arms and legs. Diseases that cause muscle weakness are very rare. Most children with new onset weakness need special tests to make the ...

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 ...

Injuries to the leg (hip to foot) Injuries to a bone, muscle, joint or ligament Muscle pain caused by too much exercise or work (overuse). Overuse is covered in Leg Pain. Excluded: Toe Injury only.