Figure 15. The analog visual pain scale as recorded by the participants at home each evening before their home exercise program. Each point is the mean of the group +/- the SD for the control group

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