The type of hernia someone has depends on its cause and location on the body. A hernia occurs when part of an internal organ pushes through the muscle or tissue of its typical location.

Hanson (1954) observed changes in the sarcomeres as muscle tissue shortened ... Because actin is tethered to structures located at the lateral ends of each sarcomere called z discs or "z bands ...

We evaluated each calf muscle tear with MRI for the particular muscle injured, location of injury within the muscle and integrity of the connective tissue structure at the interface. The muscle tears ...