Cervical alignment and abdominal exercise device
Collapsible abdominal exerciser
Collapsible exercise device and method
Combination slant board and abdominal rocker
Compact abdominal exercise apparatus
Compact exercise device
Compact, portable foot/hand hold device used to perform sit-up,
Complex exerciser structure
Compound abdominal device
Convertible barrel exercise apparatus
Core trainer
Crunch abdomen exercise apparatus