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Upper Leg

Your upper leg (aka thigh) is your power center, and home to some massive muscles—the quadriceps and hamstrings. Keeping it strong yet limber protects both your hips and your knees.

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Sciatica describes any shooting pain that begins at the spine and travels down the leg. The most common cause is a herniated or "slipped" disc in the lower spine.
An osteoid osteoma is a small, noncancerous tumor of the bones. It often affects leg bones or the spine but can affect any bone. They are usually found in young people. Many osteoid osteomas disappear on their own, but some may require surgery for removal.
Iliotibial band syndrome causes pain on the outside of the knee due to overuse. IT band syndrome is more common in endurance athletes, like cyclists and runners. The pain gets better with rest and the damage is usually not permanent.
If you’ve amped up your running routine or like pushing yourself through the pain, you may be at risk for a femoral stress fracture. These hairline fractures occur in the femur or thigh bone. They’re typically caused by pushing your body too hard. They’re common in dancers, marathon runners, and people actively training in the military.
A painful bump or lump on the thigh can also appear red, small or large, and often be located on the inner thigh. Most commonly, bumps on the inner thigh are caused by infected ingrown hairs, boils, cysts, or a swollen lymph node. Other causes include trauma to the thigh or abnormal cell growth like lipoma.
The greater trochanter is the larger of two bony knobs at the top of your thigh bone. The bursa is cushioning between the bones. Overuse, trauma, or infection can lead to inflammation of the bursa—and pain. Treatment options Include self-care, corticosteroid injection, physical therapy, and surgery.
Slipped capital femoral epiphysis (SCFE) is a hip condition that affects teens and pre-teens who are still growing. Early diagnosis is very important. Slipped capital femoral epiphysis does require surgery. This is usually a successful treatment.

Upper Leg Bump: Symptoms & Causes

Most bumps on the upper leg are benign and caused by underlying skin conditions like cysts, boils, abscess, or folliculitis. Other causes of bump on upper thigh include dermatofibroma, or lipoma.
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Numbness in One Thigh: 9 Causes

Are you noticing numbness in your thigh? Numbness in the thigh ranges in severity and causes can be mechanical, metabolic, inflammatory, or iatrogenic. Thigh numbness is often felt on the outer thigh, though it sometimes reaches the knee, and is often accompanied by other symptoms, such as burning or tingling.
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