Femoroacetabular impingement (FAI) is characterized by abnormal contact between the
proximal femur and the acetabulum. Two subtypes have been described: pincer …

Our understanding of femoroacetabular impingement syndrome is slowly improving. The
number of studies on all aspects (etiology, prevalence, pathophysiology, natural history …

Background: The alpha angle is the most often used measure to classify cam morphology.
There is currently no agreement on which alpha angle threshold value to use. Purpose: To …

Background: A cam deformity is a major risk factor for hip osteoarthritis, and its formation is
thought to be influenced by high-impact sporting activities during growth. Purpose: To (1) …

Background: Cam impingement is a well-recognized cause of hip pain and might cause
osteoarthritis of the hip. Clinically, cam impingement is mostly observed in young, active …

Objective Cam deformity and acetabular dysplasia have been recognized as relevant risk
factors for hip osteoarthritis (OA) in a few prospective studies with limited sample sizes. To …

Background: Soccer (football) players often have hip and groin symptoms (HGS), and a
previous groin injury is a risk factor for a relapse. Decreased hip range of motion (HROM) …

Background: Musculoskeletal hip/groin screening tests are commonly performed to detect at-
risk individuals. Bony hip morphology is considered a potential intrinsic risk factor but has …

Background: Participation in high-impact athletic activities has recently been associated with
a higher prevalence of cam deformity. Bony hip morphology has also emerged as an …

Purpose The influence of type and intensity of sports during growth on knee alignment was
investigated. The second aim was to ascertain whether the distal femur or proximal tibia …