location_onRegional Portal — South Africa

Isokinetic Testing South Africa | Biokinetics, Rehabilitation & Sports Science

Empowering South African Biokineticists, sports medicine physicians, and high-performance rugby programs with objective isokinetic dynamic muscle assessment and the RUPWE protocol.

Isokinetics & Biokinetics Scope of Practice

In South Africa, Biokineticists are healthcare professionals registered with the Health Professions Council of South Africa (HPCSA) who specialize in final-phase orthopaedic rehabilitation and clinical exercise prescription. Isokinetic dynamometry serves as a core objective assessment tool within the Biokinetics scope of practice for evaluating dynamic muscle imbalances, work capacity, and return-to-sport readiness.

High-Performance Rugby & Mediquipe Distribution Hub

From Currie Cup and United Rugby Championship (URC) franchises to national Springbok preparations and university sports science faculties (Stellenbosch, UP Tuks, UCT, Wits), objective core and joint torque testing is essential. Through our Mediquipe distribution hub in Johannesburg and Cape Town, Just Kinetics provides complete technical calibration, system servicing, and clinical training across Sub-Saharan Africa.

Original Peer-Reviewed Research & Methodological IntegrityScientific Authority & Construct Validity

Just Kinetics Isokinetic Research & Methodological Analysis

Jean Doran, MSc

Biokineticist & Clinical Exercise PhysiologistCSCS Certified

Leading sports science researcher and founder specializing in isokinetic dynamometry protocols, trunk neuromuscular capacity, and collision-sport load matching.

Isokinetic DynamometryRugby BiomechanicsBiokinetics

FEATURED PUBLICATION — METHODOLOGICAL AUDIT

“The Isokinetic Rugby Union Physical Work Evaluation (RUPWE) protocol: Can Rugby Union Players meet the physical work demands of the game?”

This landmark research investigated the isokinetic physical work capacity of trunk extensors and flexors in 55 rugby union players using a computerized isokinetic dynamometer. Tested concentrically at a slow angular velocity of 10°/s (10 deg.s^-1) until a continuous work target of 6,000 Joules (6,000 J) was completed (simulating side-on tackle mechanical load), the RUPWE protocol established objective criteria for quantifying core muscular endurance and lumbar spinal protection under simulated collision demands.

Experimental Method & Construct Identification

Testing InstrumentIsokinetic Dynamometer

Testing ModeConcentric Isokinetic

Angular Velocity10°/s (10 deg.s^-1)

Construct MeasuredTrunk Work (6,000 J)

scienceMethodological Analysis Case Study — Construct Validity

NWU 2026 Research Audit

Differentiating Instrument from Testing Mode: The 2026 North-West University ACL Study

When interrogating research comparing dynamometry with force-platform jump testing, clinicians must inspect the actual experimental methods rather than relying on equipment labels or article shorthand.

1. EXPERIMENTAL METHOD AUDIT

• Instrument Used: Isokinetic Dynamometer
• Actual Testing Mode: Unilateral ISOMETRIC Knee Extension (0°/s at fixed joint angle)
• Construct Measured: Fixed-position isometric quadriceps peak force & asymmetry

2. SCIENTIFIC INTERPRETATION

Because the dynamometer testing mode was isometric (0°/s), this study evaluated isometric strength asymmetry versus dynamic force-plate jumping asymmetry. It did not directly test dynamic isokinetic capacity across an accommodating velocity arc.

Key Takeaway:An isokinetic dynamometer is an instrument capable of multiple testing modes (isometric, isokinetic, isotonic). Testing on an isokinetic dynamometer is NOT automatically “isokinetic testing.” Differentiating instrument, testing mode, and task is required before drawing conclusions about asymmetry concordance.

precision_manufacturingContemporary Isokinetic Hardware Platform

Isoforce Isokinetic Dynamometry

Having established the scientific mechanics of constant velocity resistance and accommodating torque, Just Kinetics delivers these clinical capabilities through the TUR Isoforce® Multi-Joint Dynamometer. Isoforce serves as our contemporary hardware platform for continuous, computerized muscle strength assessment, supporting 20+ multi-joint movement patterns, 700 Nm max torque, and modern FHIR data interoperability.

✔ 700 Nm Torque

✔ 0.25–540°/s Speed

✔ 20+ Joint Patterns

✔ Azure FHIR Native

Explore Isoforce System SpecificationseastOfficial regional supplier: UK, Ireland & South Africa

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