Programs in which participation is not required.
Studies designed to assess the efficacy of programs. They may include the evaluation of cost-effectiveness, the extent to which objectives are met, or impact.
Voluntary activity without external compulsion.
The process of formulating, improving, and expanding educational, managerial, or service-oriented work plans (excluding computer program development).
Recording of the changes in electric potential of muscle by means of surface or needle electrodes.
Programs and activities sponsored or administered by local, state, or national governments.
Muscular contractions characterized by increase in tension without change in length.
Non-profit organizations concerned with various aspects of health, e.g., education, promotion, treatment, services, etc.
A subtype of striated muscle, attached by TENDONS to the SKELETON. Skeletal muscles are innervated and their movement can be consciously controlled. They are also called voluntary muscles.
A process leading to shortening and/or development of tension in muscle tissue. Muscle contraction occurs by a sliding filament mechanism whereby actin filaments slide inward among the myosin filaments.
The rotational force about an axis that is equal to the product of a force times the distance from the axis where the force is applied.
The term "United States" in a medical context often refers to the country where a patient or study participant resides, and is not a medical term per se, but relevant for epidemiological studies, healthcare policies, and understanding differences in disease prevalence, treatment patterns, and health outcomes across various geographic locations.
A state arrived at through prolonged and strong contraction of a muscle. Studies in athletes during prolonged submaximal exercise have shown that muscle fatigue increases in almost direct proportion to the rate of muscle glycogen depletion. Muscle fatigue in short-term maximal exercise is associated with oxygen lack and an increased level of blood and muscle lactic acid, and an accompanying increase in hydrogen-ion concentration in the exercised muscle.
Components of a national health care system which administer specific services, e.g., national health insurance.