The Relationship between General Upper-Body Strength and Pole Force Measurements, and Their Predictive Power Regarding Double Poling Sprint Performance

Table 2. Correlations between strength test variables (Nm/kg), pole force (Nm/kg) and maximal velocity (km/h).

Variables		Vmax
Trunk flexion	M_{max, ISO}	0.630*
	M_{max, CON}	0.753**
	M_RMS	0.619*
Trunk extension	M_{max, ISO}	0.615*
	M_{max, CON}	0.706**
	M_RMS	0.655*
Shoulder extension	M_{max, ISO}	0.725**
	M_{max, CON}	0.623*
	M_RMS	0.572*
Elbow extension	M_{max, ISO}	0.688**
	M_{max, CON}	0.729**
	M_RMS	0.722**
Pole force	PPF	0.726**
	MPF	0.758**

Left and right torque values/pole forces were summarized.* p < 0.050;**p < 0.010.M_{max, ISO}, maximum isometric torque; M_{max, CON}, concentric torque at 0° (trunk), 45° (shoulder) and 90° (elbow) joint flexion; M_RMS, mean concentric torque; PPF, peak pole force; MPF, mean pole force; Vmax, maximal velocity.