Project: physio

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Shoulder injury in rugby -

By placing rugby player Gary on our Kinvent Official force plates (K-Plates and K-Deltas), we transform subjective upper-body testing into high-precision, objective data tracking.

During the ASH test (prone isometric push at 'I', 'Y', and 'T' positions), the force plates capture his maximal voluntary isometric contraction and rate of force development (RFD) at long lever angles, isolating his shoulder girdle’s ability to generate rapid, high-lever force.

During the push-up force test (isometric, dynamic, or dynamic press-up variations), the dual plates measure how effectively he manages weight-bearing closed-kinetic-chain loads, revealing subtle left-to-right asymmetries and compensatory weight shifts.

This objective biofeedback directly dictates Gary’s rehabilitation programming and return-to-play timeline:

Informing Treatment: If the push-up test shows Gary is subtly shifting load away from his injured shoulder under bodyweight pressure, or if the ASH test reveals a lag in RFD in the 'Y' position, treatment shifts from basic strength to rate of force expression, end-range stability, and trunk-to-shoulder force transfer.

Determining Readiness to Play: Rather than guessing based on pain or range of motion, we measure Gary’s limb symmetry index (LSI). Achieving 90-95\% bilateral strength symmetry—along with explosive rate of force development matching his uninjured shoulder—proves his joint can withstand the intense impact, tackling, and overhead collisions required in rugby without re-injury.

Project: Physio | Redesigning Health, Wellness and Performance

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Having finished her football scholarship in the USA, Stella underwent ACL surgery before leaving and is now home rehabilitating.

Using a strain gauge dynamometer during anterior cruciate ligament (ACL) rehabilitation is vital for objective, reliable, and isolated measurement of quadriceps strength deficit, which is the single strongest predictor of successful return-to-sport and long-term joint health.

The Kinvent Official strain gauge is fixed to an immovable frame to isolate the knee extensors to quantify peak force, rate of force development (RFD), and Limb Symmetry Index (LSI) without placing shear stress on the graft.

The Kinvent Official Delta dual force plates and KMove IMU are essential for assessing dynamic movement strategies, inter-limb asymmetries, and weight-bearing distribution during double-leg tasks like squats. The force plates reveal subtle, subconscious compensatory patterns—such as shifting ground reaction force toward the uninjured limb during the concentric phase of a squat—ensuring clinicians target functional mechanics and restore true mechanical symmetry before progression to dynamic impact loading.

For more on our orthopaedic sessions head to the LINK IN THE BIO

Project: Physio | Redesigning Health, Wellness and Performance

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Project: Run supported sprinter Omar in clinic while home from college in the USA.

We've included deep squats, hip thrusts, loaded step-ups, and hip flexor work in Omar's program while home because each targets a distinct but complementary quality needed for 400m performance.

Deep squats build maximal lower-body strength and a broad base of force capacity across the hip, knee, and ankle, which underpins everything else in the program.

Hip thrusts isolate and load the glutes specifically in a horizontal force orientation, directly supporting acceleration and the propulsive drive phase that becomes increasingly important as Omar fatigues in the back half of the race.

Loaded step-ups train unilateral strength and power in a pattern that closely mirrors the single-leg nature of sprinting, while also correcting any left-right asymmetries that bilateral lifts like the squat can mask.

Finally, hip flexor training addresses the swing phase of the stride, an area frequently neglected relative to posterior chain work, and is essential for maintaining stride frequency and knee drive as speed and fatigue accumulate over 400m.

Together, these exercises build a balanced strength profile across both the propulsive and recovery phases of the sprint stride, reducing injury risk while giving Omar the physical capacity to hold form and speed longer into the race.

For more on Omar and the other project: run athletes head to www.projectphysio.net/project-run or to the LINK IN THE BIO

Project: Physio | Redesigning Health, Wellness and Performance

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Many thanks to Fiona Scott for the very kind review.

For more on our staff head to www.projectphysio.net/about or to the LINK IN THE BIO

Project: Physio | Redesigning Health, Wellness and Performance

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Welcomimg home project: run supported athlete Omar from college in Atlanta with some work around hip and pelvis.

Strong hip flexor capacity is a cornerstone of elite sprinting because these muscles drive rapid thigh recovery, optimise front‑side mechanics, and directly influence step frequency.

When sprinters produce high‑velocity hip flexion, they’re essentially “resetting” the limb for the next stride, and the athletes with the fastest, most forceful recovery tend to maintain superior horizontal projection.

Isometric hip‑flexor work is particularly powerful, fixing the joint angle and forcing the athlete to generate maximal tension without movement, we create a high‑threshold environment that recruits more motor units, especially in the deep stabilisers like iliacus and psoas.

For more on Omar and the other project: run athletes head to www.projectphysio.net/project-run or to the LINK IN THE BIO

Project: Physio | Redesigning Health, Wellness and Performance