Pain in your calf and hamstring may result from a direct injury, such as landing on your knee, or from repetitive movements, like running on a slanted surface or kneeling down.

Cramps -- also known as knots -- are common in runners’ calf muscles. Whether your legs are cramping from barefoot running or regular running, the options for treatment and prevention are similar. It's often possible to remedy your cramps at home with minimal cost and effort.

There are many diseases that can cause calf muscle pain. According to the U.S.

The lower leg is comprised of the muscles extending down through to the foot. Muscles, tendons and ligaments support the foot and join it to the upper portions of the leg, such as the calf. These systems work together for movement and when a portion of the system is injured the result is signified by pain.

Many conditions can cause leg pain above the knee. According to the University of Maryland Medical Center, leg pain, including that above the knee or thigh pain, is a common health complaint.

Bilateral lower leg pain is pain in both legs, anywhere between the knees and the ankles. According to MayoClinic.com, leg pain can manifest anywhere from the hips to the ankles, and it may be caused by structures or tissues in other parts of the body, such as the lower back or feet.

For the safety and well-being of both the mother and the baby, the American College of Obstetricians and Gynecologists recommends vaginal delivery unless there is medical reason for a cesarean section.

When swelling occurs in both legs, it is usually caused by edema, which is an accumulation of fluid in the body tissues. Swelling of the legs is often accompanied by tenderness and pain in the affected area.

Walking is generally considered a safe and accessible form of exercise that can be part of a healthy, active lifestyle.

Pain in your legs is never a normal situation. Leg pain is caused by a multitude of factors, including muscle sprain, muscle strain, running and working out too vigorously. Leg pain not associated with injury or overuse of your muscles can be due to a medical problem.

Knots and pain in the lower leg may occur for a variety of reasons. Some are less severe, such as muscle soreness, while others may require more extensive treatment. Athletes such as runners commonly develop knots and pain in the lower leg, as do sedentary people who are exercising for the first time.

Cycling is not only an eco-friendly mode of transportation but also a great way to lose weight or maintain a healthy weight, improve blood flow and circulation and cut your risk for heart disease, stroke, diabetes and some cancers. Cycling is a low-impact activity and is easy on your joints, especially the knees.