Sensing devices, computer hardware and/or software for: measuring, estimating, recording and/or displaying parameters of a particular exercise or use of the exercise equipment; measuring, estimating, recording and/or displaying physiological parameters of an individual using the exercise equipment; estimating and displaying caloric expenditure and/or effects upon an individual for following an exercise and/or dietary regime; analyzing the functional behaviors of the musculoskeletal and cardiovascular systems of a person engaged in an exercise program; and monitoring physical activity, displaying feedback on a computing device which guides the user through an exercise program and/or records dietary intake; exercise equipment, namely strength training equipment, aerobic fitness equipment, and/or cardiovascular exercise equipment, all with devices and components for measuring, estimating, and/or recording parameters of a particular exercise or use of the exercise equipment, and for measuring, estimating, and/or recording physiological parameters of an individual using the exercise equipment, sold as a unit; subscription-based application service provider (ASP) services accessible by means of a local area network or the Internet featuring computer software for: measuring, estimating, recording and/or displaying parameters of a particular exercise or use of the exercise equipment; measuring, estimating, recording and/or displaying physiological parameters of an individual using the exercise equipment; estimating and displaying caloric expenditure and/or effects upon an individual for following an exercise and/or dietary regime; analyzing the functional behaviors of the musculoskeletal and cardiovascular systems of a person engaged in an exercise program; and monitoring physical activity, displaying feedback on a computing device which guides the user through an exercise program and/or records dietary intake