An electromyogram (EMG) is a test that is used to record the electrical activity of muscles. When muscles are active, they produce an electrical current. This current is usually proportional to the level of the muscle activity.n EMG is often performed when patients have unexplained muscle weakness. The EMG helps to distinguish between muscle conditions in which the problem begins in the muscle and muscle weakness due to nerve disorders.
respite care1. 1 short-term health services for the dependent older adult, either at home or in an institutional setting. 2 the provision of temporary care for a patient who requires specialized or intensive care or supervision that is normally provided by his or her family at home.
For the 65 million Americans caring for an aging or disabled loved one, respite care can serve a number of valuable functions. Respite is often used when: 1  The family caregiver needs to travel. 2  The family caregiver needs a break. 3  As a trial of a senior community, when a family is deciding whether a community is right for them. 4  A family caregiving recipient needs a temporary change of pace, or a break.