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View our video about ACL on YouTubeSPORTS MEDICINE SOLUTIONS
Anterior Cruciate Ligament (ACL)


Patients who did not meet the discharge criteria before returning to professional sport had four times greater risk of sustaining an ACL graft rupture...”
  – Kyritsis, P. et al. British Journal of
Sports Medicine, 2016


There’s a reason for the recent resurgence of isokinetic strength testing after ACL reconstruction. Limb strength symmetry and balanced hamstring to quadriceps ratios are major components of return-to-play criteria shown to reduce reinjury in athletes after ACL-R.ACL Return-to-Play Criteria

Isokinetic strength testing: symmetry and hamstring/quadriceps ratios
Functional test symmetry
Agility testing
Psychological readiness

New reporting capabilities featured in Advantage BX Software for the Biodex System 4 Dynamometer make it even easier to communicate with patients, doctors, third party payers and employers.

With this report, Physicians can understand report at a glance with clear pass/fail results.
Physicians can understand report at a
glance with clear pass/fail results.

NEW Clearly Communicate Test Results

Grounded in the latest research and supported by a panel of field experts, Biodex introduces the first-ever Return-to-Play report. Results can be understood at a glance with clear pass/fail for isokinetic tests throughout the athlete’s recovery. This unique report gives patients and referring physicians the added confidence they are ready to return to play.

Biodex introduces the first-ever Return-to-Play report.
Limb Symmetry Index



Special thanks to our panel for Return-to-Play

  • John Cavanaugh PT, MEd, ATC, SCS
  • George J. Davies, DPT, MED, PT, SCS, ATC, LAT, CSCS, PES, CSMS, FAPTA
  • Timothy Heckmann, PT, ATC
  • Mark Paterno, PT, PhD
  • Bryan Riemann, PhD, ATC, FNATA
  • Milo Sini, ATC, PTA, CSCS
  • Tim Tyler MS, PT, ATC

 New Biodex Research Portal for ACL and RTP





Grindem H, et al. Br. J Sports Med 2016:50 804-808. doi:10.1136/bjsports-2106-096031
Kyritsis P, et al. Br J Sports Med 2016;50: 946–951. doi:10.1136/bjsports-2015-095908
Webster K.E., Feller J.A, The Orthopaedic Journal of Sports Medicine, 6(4). doi:10.1177/2325967118763763
AAOS, Return to play checklist reduces re-injury for athletes following anterior cruciate ligament. Science Daily, March 6 2018





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