Overview A muscle strain is an injury to a muscle or a tendon — the fibrous tissue that connects muscles to bones. Minor injuries may only overstretch a muscle or tendon, while more severe injuries may involve partial or complete tears in these tissues. Sometimes called pulled muscles, strains commonly occur in the lower back and in the muscles at the back of the thigh (hamstrings).
EurekAlert!: Human muscle map reveals how we try to fight effects of ageing
Human muscle map reveals how we try to fight effects of ageing
National Geographic news: This one muscle could be the key to fixing your back pain
Tight hip flexors, especially a deep muscle called the psoas, can silently stress your spine. Here's why this muscle deserves more attention—and how to strengthen it. Lower back pain is often blamed ...
This one muscle could be the key to fixing your back pain
Golf Digest: These "hidden" muscles could be the source of your back pain
A frequent source of lower-back pain comes from two muscles you might not have heard of—and that makes sense since you rarely see them on those medical posters of human anatomy in doctor's offices.