Musculoskeletal Key

Abstract Jumper’s knee is an overuse injury of the patellar tendon. Whereas the act of jumping places stress on the knee, the greatest load on the knee extensor mechanism occurs…

Abstract Many causes of fibular (peroneal) neuropathy have been identified in the literature making it the most common entrapment neuropathy of the lower extremity. As the anatomical pathway is reviewed,…

Abstract Total hip arthroplasty, commonly called hip replacement surgery, involves the reconstruction of a diseased, damaged, or ankylosed hip joint. The primary symptom of hip disease is groin pain, but…

Abstract Quadriceps tendinopathy is a rare cause of anterior knee pain. It is typically caused by repetitive overloading of the quadriceps tendon as it inserts into the proximal patella. It…

Abstract A bursa is a closed sac filled with synovial fluid. Traditionally, bursitis has been the preferred term for a painful bursa. Recently, the term bursopathy has been adopted by…

Abstract The hip labrum is a triangular fibrocartilage structure that attaches to the rim of the acetabulum. The hip labrum assists with joint stability and function. The labrum can be…

Abstract Background: Spondylolysis, or stress fracture of the pars interarticularis of a lumbar vertebra, is a common cause of back pain in children and adolescents, especially in athletes. It can…

Abstract Hip osteoarthritis (OA, also called degenerative joint disease) is a common source of pain and disability at the hip joint. The classic symptom is groin pain, but the symptom…

Abstract Baker cyst, the most common cyst in the posterior knee, affects approximately 19% of asymptomatic adults and 6.3% of children. Three factors are key to the formation of Baker…

Abstract Injury to the femoral nerve often presents with difficulty in ambulation, climbing stairs, and rising from a seated position. Concomitant complaints of altered sensation over the anterior thigh and…