For citations:

Kacprzak B., Siuba-Jarosz N. Presentation of the bk21 (Kacprzak) test as a less traumatic alternative to the Lachman test and Drop Leg test in diagnosing anterior cruciate ligament tear. Sports medicine: research and practice. 2021;11(2):52-57. https://doi.org/10.47529/2223-2524.2021.2.3