Table 3 Mean ± standard deviation of Motor Evoked Potential (MEP) data from transcranial magnetic stimulation for 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). MEP threshold is expressed as a percentage of the TMS output; the MEP latency is expressed in milliseconds (ms). The maximum amplitude of the MEP (MEPmax) is expressed as a proportion of the maximum motor response (Mmax). * denotes a significant difference relative to the other two groups
| NF (n = 30) | GJH (n = 29) | JHS (n = 20) | p value | |
|---|---|---|---|---|
| Slope (mV/%MSO) | 0.01 ± 0.01 | 0.01 ± 0.01 | 0.02 ± 0.02* | 0.04 |
| MEPmax/Mmax | 0.39 ± 0.23 | 0.41 ± 0.27 | 0.49 ± 0.30 | 0.54 |
| MEP latency (ms) | 21.9 ± 3.4 | 21.3 ± 2.7 | 22.7 ± 3.5 | 0.33 |
| MEP threshold (%) | 61.7 ± 10.2 | 60.1 ± 14.1 | 62.4 ± 9.7 | 0.77 |