Electronic measuring apparatuses and instruments, namely, multifunctional sensors, wireless communication systems comprising wireless transmitters, wireless receivers and computer software for use therewith and computers for in situ use to measure pressure, torque, position and time and analyze such data; electronic navigation system and apparatus, namely, satellite navigational system, namely, a global positioning system for personal position measurement and logging; computer software for real time analysis of sensory data to provide weight transfer analysis, speed and acceleration calculations, caloric burn calculations, workout profiling, trajectory calculations, recommendations for movement and gait alterations for optimal performance injury and/or risk assessments, orthotics assessment and 3-D modeling; in situ sensors to provide movement and gait analysis comprising force pressure shoe inlay sensors, video cameras, satellite navigational system, namely, a global positioning system, wireless communication systems comprising wireless transmitters, wireless receivers and computer software for use therewith and accelerometers; electronic movement and gait performance testing machines in the nature of force and/or pressure inlay monitors, video cameras, wireless communication systems comprising wireless transmitters, wireless receivers and computer software for use therewith, satellite navigational system, namely, a global positioning system, accelerometers and operational software sold as a unit thereof