BIOFEEDBACK B y U m a Maheshwari J A i s h warya B h a v a ni M
Introduction Biofeedback is a tool to help a patient to learn and practice the process of relaxation. if a patient is trained well can electronically monitor and reduce the muscle tension as well as heart rate and blood pressure through the biofeedback instrument. It also a useful means to help a patient learn how to activate a muscle rather than relax it.
Principle The principle of the biofeedback is based on MOTOR LEARNING. A set processes associated With practice or experience leading to permanent changes in capability for producing skilled action.
Biofeedback equipment Biofeedback has 3 essential components Transducer/Detector It can be a pair of electrodes or pressure or temperature transducer It detects mainor physiological variables . Such as Blood flow Heart rate Electrical activitys
Biofeedback essential components 2. Signal processor It amplifies filter the signal and convert it into useful form which can be displayed and explained to the patient. 3.Display It is used to display the processed signals that can be visual,audible or both.
Types of biofeedback Electromyograpy Feedback thermometer Feedback goniometer Electrocardiogram Capnometer
Contraindications Unhealed tendon grafts Dermatological conditions like dermatitis. Allergy to electrode material or gel . Patients unable to follow and execute commands.
Advantages and Disadvantages ADVANTAGES Encourages and motivate the patient. Allows small changes in correct direction and gradually build up into larger changes. It is useful when the patient has wrong perception of what they are doing which can be altered. DISADVANTAGES It can be painful and expensive procedure. Can cause infection.