It can help in healing muscle injuries, and in relieving chronic pain and incontinence. Thermal biofeedback provides information about skin temperatures. The temperature of skin is a good indicator of blood flow. EDA, or electrodermal activity, shows changes in perspiration rates. It is useful in the treatment of anxiety.
Breathing is easy to monitor.
In biofeedback, not only is the rate and rhythm of breathing measured, but the volume of air breathed in is measured as well. Learning breath control through biofeedback can help treat asthma and hyperventilation problems. It also can promote relaxation. Finger pulse measurements reflect possible or high blood pressure, heart beat irregularities, and anxiety. Trained biofeedback technicians are certified by the national biofeedback organization.