. 2017 Dec 31;21(4):27–36. doi: 10.20463/jenb.2017.0036

Table 10. Change in lower extremity isokinetic muscular function parameters at 240 degrees/sec for 12 weeks training in each supplement group.

Variable		Group	Training period (week)					p	η²
Variable		Group	0	4	8	12		p	η²
Ext	Average power (watts)	Pla	185.8 ± 32.8	182.3 ± 25.7	193.0 ± 26.5	195.5 ± 24.6	Ex Suppl Ex x Suppl	0.002^††† 0.966 0.080	0.322 0.000 0.147
	Average power (watts)	Pro	176.4 ± 29.7	190.3 ± 30.3	186.6 ± 26.5	205.6 ± 31.1	Ex Suppl Ex x Suppl	0.002^††† 0.966 0.080	0.322 0.000 0.147
	Total work (J)	Pla	1764.9 ±287.8	1770.2 ± 232.6	1871.2 ± 236.7	1892.6 ± 231.1 ^a^,b	Ex Suppl Ex x Suppl	0.000^††† 0.818 0.025†	0.383 0.003 0.176
	Total work (J)	Pro	1694.2 ± 266.7	1891.4 ± 309.1^a	1814.5 ± 295.3	2015.8 ± 354.7 ^a^,b,c	Ex Suppl Ex x Suppl	0.000^††† 0.818 0.025†	0.383 0.003 0.176
Flex	Average power (watts)	Pla	83.0 ± 27.0	79.2 ± 28.0	88.9 ± 31.0	95.7 ± 35.0	Ex Suppl Ex x Suppl	0.000^††† 0.645 0.060	0.550 0.014 0.164
	Average power (watts)	Pro	79.1 ± 21.0	90.1 ± 24.8	93.7 ± 26.1	107.4 ± 27.9	Ex Suppl Ex x Suppl	0.000^††† 0.645 0.060	0.550 0.014 0.164
	Total work (J)	Pla	860.7 ± 270.9	876.6 ± 259.6	934.8 ± 293.5 ^a^,b	962.0 ± 311.9 ^a^,b	Ex Suppl Ex x Suppl	0.000^††† 0.237 0.011^†	0.592 0.086 0.249
	Total work (J)	Pro	893.9 ± 202.8	1030.9 ± 235.0 ^a	1084.9 ± 216.0 ^a	1190.0 ± 228.5 ^a^,b,c	Ex Suppl Ex x Suppl	0.000^††† 0.237 0.011^†	0.592 0.086 0.249

Note. Data are means ± S.D. Pla: placebo group, Pro: protein supplement group, Ex: exercise, Suppl: supplement, Ext: extension, Flex: flexion.

^†Significant interaction effect, p<0.05.

^††Significant main effect, p<0.01.

^†††Significant main effect. p<0.01.

^a p <0.05 versus. Week0, η²p <0.05 versus. Week4, η²p <0.05 versus Week8.