Upper Leg


Strained (pulled) hamstring: muscle fibers of one of the hamstring muscles (back of the thigh) tears

  • Symptoms: pain when bending the knee, swelling, bruising, muscles spasms
  • Causes: inadequate warming up, poor stretching, muscle weakness, poor footwear, recurrent injury to the area

Strained (pulled) quadriceps: muscle fibers of one of the quadriceps muscles (front of the thigh) tears

  • Symptoms: pain when straightening the knee, swelling, bruising, muscles spasms
  • Causes: inadequate warming up, poor stretching, muscle weakness, poor footwear, recurrent injury to the area

Hamstring contusion: muscles of the back of the thigh crush against the femur

  • Symptoms: pain at the site of injury on the back of the thigh, bruising, swelling, restricted movement
  • Causes: direct blow to the back of the thigh

Quadriceps contusion: muscles of the front of the thigh crush against the femur

  • Symptoms: pain at the site of injury on the front of the thigh, bruising, swelling, restricted movement
  • Causes: direct blow to the front of the thigh

IT band syndrome: the thick band of tissue that runs down the side of the thigh becomes inflamed

  • Symptoms: pain on the outer side of the knee that is worse when the foot hits the ground, stinging or pins and needles sensation
  • Causes: overuse of the tissue, tight hip and side leg muscles, weak hip muscles, poor running form, improper shoes