A stingray weighing nearly 800lb is thought to be the largest freshwater fish ever caught by rod and line. It was so big that several men on board a small fishing boat had to take it in turns to help on the rod.
The hamstrings, a group of three muscles located in the back of the thigh, can contribute to lower back pain. So keeping the hamstrings properly stretched and limber is a good formula for relief of lower back pain or sciatica pain, which tends to run down one side of a leg. A regular routine of hamstring stretching eases tightness that generates stress on the low back. The hamstrings run from the pelvis down to the knee.
Foam Roll Your Upper Back and Glutes. You can relieve tight back muscles with a foam roller. If you have upper back pain, you can do some thoracic extensions which will also work the muscles in the area. You can do some foam rolling work on your trapezius as well as your lats. All of these muscles can contribute to upper back pain and need to be taking care of.