Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.

A gush of water, being doubled over in pain, the head of your baby crowning. These are things many women picture when they think of labor. However, for most laboring women, these things take time and ...

Kegel exercises are simple movements that strengthen the pelvic floor muscles, and they're not just for women. By regularly contracting and relaxing these muscles, men can ward off incontinence, ...

The prostate is a small gland that plays an important role in male reproductive anatomy. Prostate problems can have a range of causes, including prostatitis, benign prostatic hyperplasia, and prostate ...