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Table 4 Previously reported mean patellar tendon reflex EMG amplitude and change scores

From: Anatomically remote muscle contraction facilitates patellar tendon reflex reinforcement while mental activity does not: a within-participants experimental trial

  AmplitudeREST(mV) AmplitudeJM(mV) Amplitude ChangeREST - JM(%)
Study n M (SD) M (SD) M
Frijns et al., (1997) 102 1.8 (1.2) 2.4 (1.4)* 37.3
Kuruoglu & Oh (1993) 24 1.4 (0.9) N/A N/A
Stam & Tan (1987) 15 1.2 (0.2) N/A N/A
Stam & van Creval (1989) 40 1.9 (NR) N/A N/A
Toulouse & Delwaide (1980) 20 NR NR 180.0
Zabelis et al., (1998) 52 0.7 (0.5) 1.2 (1.7)* 80.6
Current study 16 0.26 (0.31) 0.50 (0.38) 95.6
  1. Abbreviations: Jendrassik maneuver (JM), not reported (NR), not applicable (N/A).
  2. *Statistically significant difference between JM and rest.