Figure 3From: The effect of starting point placement technique on thoracic transverse process strength: an ex vivo biomechanical study Mean load-to-failure for each of the four study groups. Error bars represent 95% confidence intervals of the estimated means. *Significantly different from intact control, P < 0.05. **Significantly different from straight-forward and significantly different from in-out-in, P < 0.05.Back to article page