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.
It will also reduce the pull on your knees, hips and hamstrings and will provide relief to your glutes and lower back. For tight calf treatment, it is best to use a massage tool horizontally along the length of the back side of your calf from just below the back of your knee down to your heel bone.