Table 3.
Mean (±Standard Error) muscle activation (%) in reference with muscle activation for racket A (100%) during the downward acceleration phase.
Downward acceleration
Upward acceleration
Follow-through
A
B
C
A
B
C
A
B
C
Pectoralis Major
100.00
132.4
(130.3)
153.7
(87.6)
144.3
(63.8)
116.3
(28.6)
146.9
(110.2)
62.3
(55.7)
92.6
((53.5)
93.5
(47.7)
Latissimus Dorsi
100.00
149.4
(150.8)
148.9
(90.5)
205.7
*
†
((180.7)
207.6
(154.8)
250.3
(192.8)
78.8
(26.7)
155.0
(143.2)
102.5
(55.9)
Upper Trapezius
100.00
250.4
(497.2)
293.2
(474.5)
247.3
(178.3)
265.8
(176.6)
296.1
(232.3)
508.6
(549.4)
587.8
(610.5)
612.7
(562.1)
Middle deltoid
100.00
128.7
(214.9)
147.3
(210.0)
453.9
(481.7)
469.2
(451.5)
462.0
(572.2)
556.7
(560.4)
669.7
(619.1)
680.9
(684.1)
Biceps Brachii
100.00
132.8
(228.0)
159.6
(172.8)
429.5
(564.5)
288.5
(188.6)
600.1
(637.0)
391.8
†
(322.6)
587.6
(287.6)
640.6
(439.4)
Triceps Brachii
100.00
79.8
(35.3)
78.1
(28.3)
222.9
(154.1)
244.7
(188.5)
228.5
(165.6)
113.1
(85.3)
178.1
(218.8)
98.8
(69.9)
* Post hoc comparison between A and B rackets
† Post hoc comparison between A and C rackets, with p ≤ 0.05 Standard Error were not reported for reference values