Reliability and Diagnostic Accuracy of an Alternate Lachman's Test Performed in a Prone Position

Reliability and Diagnostic Accuracy of an Alternate Lachman's Test Performed in a Prone Position

This study is investigating the reliability and diagnostic accuracy of a Lachman's test conducted in a prone position to detect the presence of a torn anterior cruciate ligament.

Inclusion Criteria:

• current knee pain complaint in subjects between 15 and 60 years old

Exclusion Criteria:

• the inability to assume the prone testing position
• evidence of a fracture by application of the Ottawa Fracture rule
• previous knee joint arthroplasty
• suspicion of posterior cruciate involvement
• knee surgery in the previous six months
• presence of serious underlying non-mechanical pathology
• systemic illness