Table 3. Normalized EMG amplitude values from the biceps femoris and semitendinosus muscles before and after stretching of the contrary quadriceps muscle in the three groups during the isokinetic leg flexion and extension movements in concentric and eccentric modes [mean ± SEM (95% CI)].
Static Dynamic Control P value
(group x time)
Before After Before After Before After
ConST60 (%MVC) 76 ± 6
(63-88)		 75 ± 6
(63-87)		 73 ± 6
(61-85)		 71 ± 6
(58-83)		 88 ± 6
(74-101)		 80 ± 4
(71-89)		 >0.05
ConBF60 (%MVC) 75 ± 5
(64-85)		 73 ± 5
(63-83)		 77 ± 6
(64-90)		 77 ± 7
(64-91)		 76 ± 5
(65-87)		 71 ± 4
(62-79)		 >0.05
ConST240 (%MVC) 63 ± 6
(50-75)		 60 ± 5
(49-71)		 54 ± 6
(41-67)		 56 ± 5
(46-66)		 66 ± 5
(56-76)		 66 ± 5
(56-75)		 >0.05
ConBF240 (%MVC) 67 ± 6
(55-80)		 66 ± 5
(56-76)		 71 ± 7
(58-85)		 70 ± 7
(56-84)		 68 ± 6
(55-81)		 66 ± 6
(53-79)		 >0.05
EccST60 (%MVC) 74 ± 6
(60-87)		 78 ± 7
(64-91)		 69 ± 6
(57-80)		 67 ± 5
(55-78)		 71 ± 4
(62-80)		 73 ± 5
(62-84)		 >0.05
EccBF60 (%MVC) 66 ± 3
(59-73)		 67 ± 3
(61-74)		 68 ± 4
(59-77)		 69 ± 5
(59-78)		 69 ± 5
(59-78)		 69 ± 4
(60-78)		 >0.05
EccST240 (%MVC) 64 ± 6
(51-77)		 63 ± 6
(50-77)		 57 ± 6
(45-68)		 52 ± 5
(41-63)		 60 ± 4
(51-68)		 62 ± 4
(53-71)		 >0.05
EccBF240 (%MVC) 57 ± 3
(50-64)		 54 ± 4
(46-62)		 58 ± 4
(49-66)		 60 ± 5
(48-71)		 57 ± 6
(45-69)		 62 ± 5
(51-73)		 >0.05
Con: Concentric; Ecc: Eccentric; ST: Semitendinosus; BF: Biceps femoris; MVC: Maximal voluntary contraction.