Figure 4From: Human knee laxity in ACL-deficient and physiological contralateral joints: intra-operative measurements using a navigation system Box-plots (same graphical representation as in Figure 4 ) from the two rotation tests, at 20° (top) and 90° (bottom) knee flexions. Ranges of medial and lateral APL, and total, internal and external ARR are reported both for the unaffected (CHK) and affected (ADK) knees.Back to article page