Starting position varies significantly significantly depending on what type of test is being performed. For example:
Isometric Posterior Chain: start lying on back with knees bent 90 degrees, heels resting on the plates on top of a box, and a loaded barbell resting across hips
Isometric Mid-Thigh Pull (IMTP): start in standing position with knees slightly bent, gripping IMTP bar with slight pre-tension
Isometric Squat Hold: start in standing position with bar across the individual’s shoulders and squat to quarter depth, chest up and facing forward.
Protocol
Zero plates – Ensure nothing is touching plates and click "Zero Platforms".
Assume starting position – Ask individual to assume starting position.
Weigh individual (or limbs only as applicable) – Click “Measure Weight”. The individual must remain completely still, and the colour display must register green before accepting body weight.
Stabilise individual – Instruct the individual to remain completely still for 2-3 seconds with very slight pre-tension, before and between each rep.
Start recording – Click “Start Recording”.
Perform isometric test - Instruct the individual to:
Contract as hard and as fast as possible; and
Hold at maximum force output for a minimum of 2 seconds; then
Relax after the contraction; then
Assume starting position again.
Repeat – Repeat step 6 for desired number of reps.
Stop recording – Click "Stop Recording".
Review – Review that reps and test type have been detected correctly. You can manually correct the test type and/or manually mark trial ranges, if required.
Analyse – Click "Analyse and Save" - to move directly to next individual; or Click "Analyse" – to review results.
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