- Patient supine legs straight
- Examiner “cups” hand over patella and applies a downward force (compressing the patella against the femur)
- Examiner then proceeds to move the patella laterally, medially, superiorly, inferiorly, and in a twisting motion (“twist and grind”)
Positive Patellofemoral Grind Test
Pain and/or crepitus Chondromalacia patella: degenerative joint disease, osteochondritis of the patella, patellar fracture
Synonym: Patellar Grind Test
Compression of the patella on the femur may cause pain due to aggravation of inflamed or damaged tissues.