Figure 11. The change in strength on a 0 to 12 scale for the control and heat groups comparing pre to 2 week post measures. Each point is the mean of the group +/- the SD

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