The Company of Biologists

Table 3.

Mean response relative to control, standard error of change, and significance of change from control of the M. pectoralis profundus(posterior portion) to the different force manipulations

Manipulation	N	Mean change	Standard error	P-value
Anterior-trunk mass
8%	6	1.382	0.189	0.0567
12%	6	1.218	0.234	0.2018
Mid-trunk mass
8%	6	1.229	0.139	0.0806
12%	6	1.3	0.223	0.1179
Posterior-trunk mass
8%	6	0.89	0.036	0.9854
12%	6	1.103	0.089	0.1486
Ant./post. mass
8%	6	0.967	0.053	0.72
12%	6	0.984	0.078	0.5766
Hills
Uphill 10°	6	2.79	0.181	<0.0001^{^*}
Uphill 14°	6	3.774	0.33	0.0002^{^*}
Downhill 10°	6	–0.537	0.113	0.0047^{^*}
Downhill 14°	6	–0.503	0.135	0.0071^{^*}
Wrist mass
1%	6	1.321	0.125	0.0250^{^*}
2%	6	2.239	0.673	0.0625

Manipulation	N	Mean change	Standard error	P-value
Anterior-trunk mass
8%	6	1.382	0.189	0.0567
12%	6	1.218	0.234	0.2018
Mid-trunk mass
8%	6	1.229	0.139	0.0806
12%	6	1.3	0.223	0.1179
Posterior-trunk mass
8%	6	0.89	0.036	0.9854
12%	6	1.103	0.089	0.1486
Ant./post. mass
8%	6	0.967	0.053	0.72
12%	6	0.984	0.078	0.5766
Hills
Uphill 10°	6	2.79	0.181	<0.0001^{^*}
Uphill 14°	6	3.774	0.33	0.0002^{^*}
Downhill 10°	6	–0.537	0.113	0.0047^{^*}
Downhill 14°	6	–0.503	0.135	0.0071^{^*}
Wrist mass
1%	6	1.321	0.125	0.0250^{^*}
2%	6	2.239	0.673	0.0625

Significant at P<0.05

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