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Table 4 Mean ± standard deviation of H reflex data from stimulation of the femoral nerve of three groups of participants; people with Normal Flexibility, no knee pain (NF), Generalised Joint Hypermobility, no knee pain (GJH) and Joint Hypermobility Syndrome, plus knee pain (JHS). Slope is expressed as amplitude in millivolts (mV) per stimulus output in milliamps (mA); the maximum amplitude of the H reflex (Hmax) is expressed as a proportion of the maximum motor response (Mmax)

From: An investigation of the control of quadriceps in people who are hypermobile; a case control design. Do the results impact our choice of exercise for people with symptomatic hypermobility?

  NF (n = 30) GJH (n = 30) JHS (n = 30) p value
Slope (mV/mA) 3.50 ± 2.39 2.84 ± 2.12 2.77 ± 2.12 0.32
Hmax/Mmax 0.56 ± 0.23 0.44 ± 0.31 0.47 ± 0.29 0.12