The Company of Biologists

Table 1.

Mean response relative to control, standard error of change, and significance of change from control of the M. pectoralis superficialis descendens to the different force manipulations

Manipulation	N	Mean change	Standard error	P-value
Anterior-trunk mass
8%	6	1.378	0.268	0.1087
12%	6	1.301	0.157	0.0561
Mid-trunk mass
8%	6	1.306	0.197	0.0905
12%	6	1.175	0.138	0.1307
Posterior-trunk mass
8%	6	1.204	0.176	0.1492
12%	6	1.153	0.11	0.1116
Ant./post. mass
8%	6	1.106	0.108	0.1857
12%	6	1.413	0.235	0.0697
Hills
Uphill 10°	6	1.539	0.154	0.0087^{^*}
Uphill 14°	6	1.886	0.245	0.0076^{^*}
Downhill 10°	6	2.018	0.338	0.0149^{^*}
Downhill 14°	6	2.539	0.532	0.0171^{^*}
Wrist mass
1%	6	2.122	0.709	0.0871
2%	6	2.778	0.872	0.0486^{^*}

Manipulation	N	Mean change	Standard error	P-value
Anterior-trunk mass
8%	6	1.378	0.268	0.1087
12%	6	1.301	0.157	0.0561
Mid-trunk mass
8%	6	1.306	0.197	0.0905
12%	6	1.175	0.138	0.1307
Posterior-trunk mass
8%	6	1.204	0.176	0.1492
12%	6	1.153	0.11	0.1116
Ant./post. mass
8%	6	1.106	0.108	0.1857
12%	6	1.413	0.235	0.0697
Hills
Uphill 10°	6	1.539	0.154	0.0087^{^*}
Uphill 14°	6	1.886	0.245	0.0076^{^*}
Downhill 10°	6	2.018	0.338	0.0149^{^*}
Downhill 14°	6	2.539	0.532	0.0171^{^*}
Wrist mass
1%	6	2.122	0.709	0.0871
2%	6	2.778	0.872	0.0486^{^*}

Significant at P<0.05

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