Flexwell Isokinetic Muscle Strength Testing | Sports & fitness instruction

Flexwell Isokinetic Muscle Strength Testing

Phone: +61 417 011 997

Address: Darvall Street 3084

Website: http://www.flexwell.com.au

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13.01.2022 Do you know if your knee rehabilitation is on track? Hopping, leg press and isokinetic dynamometry. Hopping is frequently used as a guide to recovery from ACL surgery but it's use for assessing readiness to return to sport is questioned by two recent studies. A study by Barfod et al 2018* concluded that the single leg hop test can not be used as a replacement for quadriceps strength as measured by an isokinetic dynamometer as there was no correlation between quadriceps stren...gth and hop tests. Nagai et al 2019** found there was a correlation between quadriceps strength, hop tests and leg press BUT the hop test and leg press gave significantly higher results for limb symmetry than the isokinetic dynamometer meaning that an athlete may pass return to sport criteria on a hop test and leg press but have significant quadriceps deficits. The study supported the continued use of isokinetic testing for assessing readiness to return to sport. The study by Barfod et al also found that less than one third of patients had recovered adequate quads strength 6 months post ACL reconstruction and less than a half of patients had recovered adequate quads strength 12 months post ACL reconstruction. This is of concern as optimal quadriceps strength is critical for dynamic joint stability, and weakness is associated with poor function and risk of re-injury. *Barfod, Kristoffer W et al. Knee Extensor Strength and Hop Test Performance Following Anterior Cruciate Ligament Reconstruction. The Knee 26.1 (2019): 149154. ** Nagai, T., Schilaty, N.D., Laskowski, E.R. et al. Hop tests can result in higher limb symmetry index values than isokinetic strength and leg press tests in patients following ACL reconstruction. Knee Surg Sports Traumatol Arthrosc (2019).

04.01.2022 Flexwell is continuing to provide Isokinetic Muscle Strength Testing services. Your safety is paramount. Be assured we are adhering to strict hygiene and infection control principles.

01.01.2022 "When assessing an athlete’s readiness to return to sport after an ACLR, the gold standard in measuring quad strength limb symmetry index (LSI) is the Isokinetic dynamometer" Nicole Surdyka PT, DPT, CSCS