The gold standard for measuring muscle strength at controlled speeds. Isokinetic testing isolates the injured tissue's true force capacity — the benchmark surgeons and consultants recognise for post-op clearance.
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Full torque curves through the range of motion at controlled angular velocities — revealing not just how strong you are, but where in the arc the muscle fails, angles that standard strength tests miss.
The H:Q balance between knee flexors and extensors — a key indicator of knee stability and hamstring strain risk, and a central criterion in return-to-sport decision making.
Limb symmetry indices between injured and uninjured sides, tested at slow (maximal strength) and fast (functional power) speeds. Surgeons commonly look for ≥90% symmetry before clearing contact sport.
How quickly the muscle reaches force — the explosive quality that matches what sport actually demands, and the last quality to recover after surgery.
It complements our VALD and speed testing — deep tissue-level data inside the whole-system profile.
After ACL reconstruction, knee arthroscopy and other knee surgery, isokinetic symmetry data gives your surgeon objective evidence that the quadriceps and hamstrings have truly recovered.
Pre & Post-Operative Care →Combined with ForceDecks hop testing and speed-gate change-of-direction benchmarks, isokinetic ratios form the final stage of our ACL clearance battery.
ACL Management →For athletes with repeated hamstring, quad or calf problems, torque curves and speed-specific deficits often expose the exact strength quality that screening missed.
Hamstring Rehab →Our Principle
If you don’t measure it, how do you know it’s improving?
Rehabilitation is a puzzle, and no single test gives us the full picture.
Isokinetic testing is one of the objective measures we use to quantify strength, identify deficits, track progress and help guide return-to-play decisions.
Measure → Understand → Progress → Return.
Benchmark your strength ratios and limb symmetry — the data your surgeon and your season both need.
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