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The joint line palpation of the knee starts from the medial border of the patellar ligament towards the posterior aspect of the knee. Beginning at the lateral border of the patellar ligament, the lateral joint line was palpated in a similar way along the joint line in the posterior direction.
Also question is, what are joint lines?
A tissue called the synovial membrane lines the joint and seals it into a joint capsule. The synovial membrane secretes a clear, sticky fluid (synovial fluid) around the joint to lubricate it.
Keeping this in consideration, can you palpate the meniscus?
Place the index, middle, and ring fingers of your left hand along the lateral joint line. Gently extend and flex the knee. If the lateral meniscus has been injured, you may feel a "click" with the hand palpating the joint line. You may also elicit pain.
Definition/Description. The joint line tenderness test is used to screen for sensitivity related to meniscal injuries. The test can be used if pain is localized to either the medial or lateral aspect of the joint, this is usually due to pathology of either the articular joint cartilage or the medial or lateral meniscus