The hamstring muscles are at the back of your thighs. Their primary purpose is to bend the knee.

Hip extension is a movement you do everyday. It uses the muscles of the butt and thighs to help you walk and stand up from a seated position.

Inner thigh muscles can get tight -- especially if you sit a lot during the day. Stretches improve flexibility in these adductor muscles.

The gluteal muscles work together daily to propel your body forward, backward and side to side while maintaining your balance.

Tailbone pain can disrupt just about every aspect of your life. Stretches can help relieve your symptoms.

Stiff legs make you uncomfortable and can inhibit your movement. Use movement and stretching to ease the sensation.

Tendons are tough, fibrous tissues that connect your muscles to the bones within your body. If a tendon is overused or overstretched during physical activity, the tendon can tear--a condition known as a ruptured tendon. Contact your doctor for further evaluation if you develop symptoms of torn tendons.

The soleus and gastrocnemius are two of the muscles in your calves and are heavily involved in many of the exercises you perform each day. An adequate fitness program will incorporate stretching because it increases flexibility, improves circulation and range of motion, and reduces muscle stress.

Esophageal narrowing can cause malnutrition, breathing problems and death. Throat stretching is a life-saving procedure that can help with this condition. Knowing how the procedure is performed and the benefits it has to offer can help you decide if throat stretching is right for you.

Aches and soreness after a tough workout can remind you of the hard work you put in at the gym -- or signal a more serious injury, such as a muscle strain.

Numerous conditions can cause tingling in the leg and foot. According to the Foot Health Facts website, tingling in the leg and foot may indicate neurological or vascular problems. In some cases, tingling in the leg and foot may be accompanied by pain, burning or numbness.

If your ribs hurt while stretching, you’ve likely experienced a recent traumatic blow to the chest or have been lifting more weight than your muscles can handle. Some rib injuries are potentially life-threatening, since the ribs protect vital organs, so always consult with your doctor if you’re feeling rib pain.