Figure 13. Change in disability index as assessed in the Roland-Morris and Oswestry tests in the control and heat subject groups. Each point is the mean for the group +/- the Standard Deviation

From

Continuous Low Level Heat Wraps; Faster Healing and Pain Relief during Rehabilitation for Back, Knee and Neck Injuries

Jerrold Petrofsky, Michael Laymon, Faris Alshammari, Iman Akef Khowailed, Haneul Lee

World Journal of Preventive Medicine. 2015, 3(3), 61-72 doi:10.12691/jpm-3-3-3