作者: Michael Jolly
DOI:
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摘要: An apparatus and method for exercising muscles of a body part, especially the neck, waist, torso, legs, glutes from any angle with variable resistance while taking up minimal floor space. The improves ability athletes, including football players wrestlers, to better prepare contact engaged in their sport. includes ring having guide track therein. Another inner may also be provided different sizes shapes accommodate variety users. A car connected source rides freely along track. other gym equipment bungee cord, cable cross over machine, springs, like. As user exercises by moving part adapts user's position facilitate full range motion.