Abdominal swiveling exercise machine combined with an elliptical trainer exercise machine, or skate simulation trainer, or exercise bicycle or recumbent bicycle

摘要

A combination exercise device including a combination elliptical trainer and abdominal swivelling exercise machine, a combination skating simulation exercise machine and abdominal swivelling exercise machine, an exercise bicycle combined with an abdominal swivelling exercise machine and a recumbent exercise bicycle combined with an abdominal swivelling exercise machine.