10 Medical and surgical apparatus and instruments, namely biofeedback sensors that communicate their position and changes in their position without wired connection; medical, surgical and post-surgical monitoring and sensory apparatus and instruments namely biofeedback sensors, that communicate their position and changes in their position without wired connection; physiotherapy apparatus and instruments, namely biofeedback sensors that communicate their position and changes in their position without wired connection; physiotherapy monitoring and sensory apparatus and instruments, namely biofeedback sensors that communicate their position and changes in their position without wired connection; medical, surgical, post-surgical, and physiotherapy apparatus and instruments for use on the lower limbs, hips, knees, legs, upper legs, lower legs, ankles, feet and toes including such goods to help improve movement and mobility, namely biofeedback sensors that communicate their position and changes in their position without wired connection; medical, surgical, post-surgical, and physiotherapy apparatus and instruments for use on the hips including such goods to help improve movement and mobility, namely biofeedback sensors that communicate their position and changes in their position without wired connection; medical, surgical, post-surgical, and physiotherapy apparatus and instruments for use on the knees including such goods to help improve movement and mobility, namely biofeedback sensors that communicate their position and changes in their position without wired connection; medical, surgical, post-surgical, and physiotherapy apparatus and instruments for use on the legs including such goods to help improve movement and mobility, namely biofeedback sensors that communicate their position and changes in their position without wired connection; medical, surgical, post-surgical, and physiotherapy apparatus and instruments for use on the lower legs including such goods to help improve movement and mobility, namely biofeedback sensors that communicate their position and changes in their position without wired connection; medical, surgical, post-surgical, and physiotherapy apparatus and instruments for use on the ankles including such goods to help improve movement and mobility, namely biofeedback sensors that communicate their position and changes in their position without wired connection; medical, surgical, post-surgical, and physiotherapy apparatus and instruments for use on the feet and toes including such goods to help improve movement and mobility namely biofeedback sensors that communicate their position and changes in their position without wired connection; medical, surgical, post-surgical and physiotherapy apparatus and instruments to help improve movement and mobility of all or part of the lower limbs, hips, knees, legs, upper legs, lower legs, ankles, feet and toes for individuals suffering from congenital limb deficiencies, namely biofeedback sensors that communicate their position and changes in their position without wired connection; medical, surgical, post-surgical and physiotherapy apparatus and instruments to help improve movement and mobility of all or part of the lower limbs, hips, knees, legs, upper legs, lower legs, ankles, feet and toes for individuals following limb loss or full or partial amputations of the lower limbs, namely biofeedback sensors that communicate their position and changes in their position without wired connection; medical apparatus and instruments to sense and monitor movement and mobility in the lower limbs, hips, knees, legs, upper legs, lower legs, ankles, feet and toes including for individuals suffering from congenital limb deficiencies and for individuals following limb loss or full or partial amputations of the lower limbs, namely biofeedback sensors that communicate their position and changes in their position without wired connection; exercise apparatus for medical and post-surgical rehabilitative purposes namely biofeedback sensors that communicate their position and changes in their position without wired connection; exercise boots for medical and post-surgical rehabilitative purposes with namely biofeedback sensors that communicate their position and changes in their position without wired connection; exercise equipment for medical and post-surgical rehabilitative purposes with namely biofeedback sensors hat communicate their position and changes in their position without wired connection; exercise machines for medical and post-surgical rehabilitative purposes with namely biofeedback sensors that communicate their position and changes in their position without wired connection; exercise machines for therapeutic purposes with namely biofeedback sensors that communicate their position and changes in their position without wired connection; computer controlled exercise apparatus for therapeutic use with namely biofeedback sensors that communicate their position and changes in their position without wired connection; physical exercise machines with namely biofeedback sensors for medical and post-surgical purposes that communicate their position and changes in their position without wired connection; parts and fittings especially adapted for the aforesaid medical goods