Table 3. Differences in muscle activity between HPC and HCP.
Muscle
Intensity
Beginner
Advanced
Elite
HPC (%MVIC)
HCP (%MVIC)
HPC (%MVIC)
HCP (%MVIC)
HPC (%MVIC)
HCP (%MVIC)
VL
50% 1-RM
Mean
163.82
152.72
247.70
195.47
324.41
239.40
SD
64.41
70.36
259.48
165.81
305.15
86.53
P
0.508
0.445
0.600
Hedges‘g
0.16
0.24
0.38
70% 1-RM
Mean
208.20
213.18
321.09
215.58
248.37
279.38
SD
113..02
111.04
367.87
189.90
221.22
138.83
P
0.575
0.093
0.345
Hedges‘g
0.04
0.36
0.17
90% 1-RM
Mean
203.96
225.98
307.97
273.86
249.30
311.81
SD
119.85
201.09
288.30
271.11
213.53
271.74
P
0.575
0.074
0.6
Hedges‘g
0.13
0.12
0.26
GM
50% 1-RM
Mean
124.91
81.67
97.20
90.53
298.74
258.65
SD
76.67
27.32
37.72
52.44
195.54
258.35
P
0.11
0.575
0.463
Hedges‘g
0.75
0.15
0.18
70% 1-RM
Mean
99.50
118.62
107.70
109.90
186.84
228.31
SD
56.46
61.97
49.80
64.81
118.48
214.59
P
0.286
0.575
0.753
Hedges‘g
0.32
0.04
0.24
90% 1-RM
Mean
126.81
105.92
138.84
112.02
181.07
355.86
SD
54.65
37.07
97.81
72.81
131.97
492.89
P
0.182
0.074
0.6
Hedges‘g
0.45
0.31
0.48
RA
50% 1-RM
Mean
31.62
27.43
113.37
96.82
95.00
127.65
SD
27.20
37.10
145.63
186.46
96.78
167.54
P
0.386
0.139
0.917
Hedges‘g
0.13
0.10
0.24
70% 1-RM
Mean
43.74
19.56
118.89
104.47
98.13
135.09
SD
44.38
32.40
197.11
182.67
92.01
211.88
P
0.037*
0.386
0.345
Hedges‘g
0.62
0.08
0.23
90% 1-RM
Mean
83.44
16.31
131.48
119.30
53.31
121.47
SD
110.92
20.41
240.55
242.76
37.95
133.22
P
0.003*
0.646
0.6
Hedges‘g
0.84
0.05
0.70
ES
50% 1-RM
Mean
34.80
31.33
73.37
70.27
51.78
74.84
SD
33.50
43.94
50.72
117.20
37.84
92.60
P
0.386
0.139
0.753
Hedges‘g
0.09
0.03
0.33
70% 1-RM
Mean
42.67
23.03
77.15
74.09
78.04
63.95
SD
40.91
37.05
78.53
114.27
38.01
73.67
P
0.037*
0.878
0.917
Hedges‘g
0.50
0.03
0.24
90% 1-RM
Mean
72.56
17.83
99.40
83.41
29.21
107.41
SD
67.01
23.37
155.99
154.43
18.19
128.61
P
0.003*
0.646
0.686
Hedges‘g
1.06
0.10
0.81
TZ
50% 1-RM
Mean
138.05
98.55
74.96
67.59
60.53
67.36
SD
120.65
82.83
37.14
20.83
32.11
35.60
P
0.008*
0.093
0.028*
Hedges‘g
0.38
0.24
1.08
70% 1-RM
Mean
115.20
106.18
76.01
82.35
69.58
94.62
SD
110.94
83.04
34.12
32.21
39.12
43.46
P
0.594
0.333
0.028*
Hedges‘g
0.10
0.19
0.61
90% 1-RM
Mean
94.90
112.94
72.52
84.69
61.55
90.81
SD
64.66
84.36
36.78
36.81
23.20
58.43
P
0.11
0.093
0.116
Hedges‘g
0.24
0.28
0.66
Values are presented as mean ± SD. MVIC = maximal voluntary isometric contraction; VL = M. vastus lateralis; GM = M. gluteus maximus; RA = M. rectus abdominis; ES = M. erector spinae; TZ = M. trapezius.