Table 5. illustrates Mauchley’s test of sphericity and significance values for EMG. Bolded boxes highlight significant differences.
Mauchley’s Sphericity assumption met Significance
Duration *time Duration Duration *time Duration Main Effect Time Main Effect
Soleus ISOM χ2(5) = 4.72,
p = 0.45		 χ2(5) = 1.08,
p = 0.95		 F(3, 45) = 6.12,
p = 0.001,
η2 = 0.29		 (F(3, 45) = 1.657,
p = 0.19,
η2 = 0.09		 F(1, 15) = 13.755,
p = 0.002,
η2 = 0.47
Soleus ISOK
(60°/s)		 χ2(5) = 9.89,
p = 0.08		 χ2(5) = 1.41,
p = 0.92		 F(3, 45) = 4.920,
p = 0.005,
η2 = 0.24		 F(3, 45) = 4.071,
p = 0.01,
η2 = 0.21		 F(1, 15) = 23.878,
p < 0.001,
η2 = 0.61
Soleus ISOK
(240°/s)		 χ2(5) = 8.80,
p = 0.12		 χ2(5) = 10.947,
p = 0.053		 F(3, 45) = 1.857,
p = 0.15,
η2 = 0.11		 F(3, 45) = 0.234,
p = 0.87,
η2 = 0.01		 F(1, 15) = 13.915,
p = 0.002,
η2 = 0.48
Tibialis Anterior ISOM χ2(5) = 3.49,
p = 0.62		 χ2(5) = 1.992,
p = 0.85		 F(3, 45) = 1.992,
p = 0.13,
η2 = 0.11		 F(3, 45) = 2.539,
p = 0.06,
η2 = 0.14		 F(1, 15) = 5.710,
p = 0.03,
η2 = 0.17
Tibialis Anterior Soleus ISOK
(60°/s)		 χ2(5) = 17.09,
p = 0.004		 χ2(5) = 3.46,
p = 0.63		 F(1.6, 25.1) = 2.155,
p = 0.14,
η2 = 0.12		 F(3, 45) = 1.816,
p = 0.15,
η2 = 0.11		 F(1, 15) = 8.454,
p = 0.01,
η2 = 0.36
Tibialis Anterior ISOK (240°/s) χ2(5) = 7.47,
p = 0.18		 χ2(5) =4.28,
p = 0.51		 F(3, 45) = 1.029,
p = 0.38,
η2 = 0.06		 F(3, 45) = 1.804,
p = 0.16,
η2 = 0.10		 F(1, 15) = 9.435,
p = 0.008,
η2 = 0.38
ISOM: isometric; ISOK: isokinetic.