pain in one or more muscles.
"Muschle aches and pains."
Soreness and pain in the muscles
An abnormal state of the muscles characterised by pain and cramp.
Pain in a muscle or group of muscles.
Myalgia is the feeling of diffuse tenderness or pain of the muscles themselves; muscular rheumatism.
Diffuse pain in the muscles or tenderness usually accompanied with malaise (generalized feeling of discomfort).