Many conditions can cause upper leg and back pain. According to the Spine Health website, back pain, especially lower back pain, is commonly associated with one-sided leg pain. Leg pain that accompanies back pain may be dull and aching or sharp and stabbing, like an electrical shock.

Many conditions can cause leg pain and weakness. According to the University of Maryland Medical Center, leg pain can be caused by overuse injuries, inflammatory diseases, lower extremity trauma and certain medical conditions. In some cases, leg pain is accompanied by lower extremity weakness.

Many different factors can cause leg pain. Muscle fatigue, shin splints, atherosclerosis, blood clots, nerve damage, arthritis, gout, osteomyelitis and varicose veins are some of the causes. But perhaps the most common causes of leg pain are related to diet or dehydration.

Leg raises are one of the most effective exercises that target your abs from the bottom. The exercise is variable enough to accommodate any fitness level, and most variations require minimal equipment. If you have pain during your leg raises, you could be using improper form or a too-difficult variation.

There are many conditions that can cause bone pain in the legs. Some are not serious and heal with the right treatment, while in other cases this symptom signals an underlying medical condition.

Pain in the calf when you're pregnant generally occurs for one of two reasons, one quite serious and one merely annoying. Leg cramps or muscle spasms -- the merely annoying type of pain -- often cause calf pain during the night when you're pregnant.

Tendons are the tough tissue that connects your muscles to your bones and allow your limbs to move. Tendonitis occurs when the tendon becomes inflamed, usually as a result of overstretching, an impact injury or overuse.

Just when it is time to unwind and give the legs a much-needed break, leg pain at night can ruin any plans for rest. Night leg pain is so common that it is difficult to meet a person who has not experienced total sleep disruption as a result. Men, women and children have experienced this phenomenon.

Leg pain can strike anytime. Specific pain below the knee may be caused by factors such as anatomical weakness, daily activity and stress, and individual levels of fitness. The entire knee joint is susceptible to accidents and overuse, so knowing the exact cause of pain is helpful in controlling it.

Calf swelling occurs for a variety of reasons. When it develops in only one leg, the cause is likely a localized problem rather than a systemic disorder. Poor circulation, a blood clot, and a bacterial skin infection are among the most common causes of one-sided calf swelling.

Mothers might expect to feel soreness or pain in the nipples and breasts during the first days of breastfeeding; however, pains in the legs while nursing might come as a surprise. Lingering effects from pregnancy and labor, posture while nursing and lack of sleep can result in leg pains while breastfeeding.

A dull ache in your shin is uncomfortable and may prevent you from performing well at work or school and can even keep you awake at night. Leg pain is a common symptom and complaint and can be caused by overuse injuries or a serious disease, according to the National Library of Medicine.