The most usual form involves skeletal muscles, especially in the back.

This includes actions such as running, crawling, walking, swimming, and other activities that involve larger muscles.

Eventually the disease involves other muscles such as the ones located in the face.

But he also knows that all dance must involve muscles and flesh.

Cindy teaches us how to do reverse sit-ups, something totally alien, involving untapped pelvic muscles.

Messier said his current problem involves muscles that attach the rib cage to joints along the spine and is similar to last season's injury.

Surgery near the lungs or involving muscles associated with respiration can affect breathing, for example.

This syndrome features simple partial seizures that involve facial muscles and frequently cause drooling.

There is an isolated form that involves facial muscles exclusively.

The production of speech is a highly complex motor task that involves approximately 100 orofacial, laryngeal, pharyngeal, and respiratory muscles.