Restricted resistance range weight selector system

Retractable dumbbell support bench

Retractable exercise apparatus

Reverse grip tricep push-down bar

Riding exerciser

Riding-type exercise machine

Riding-type exerciser

Rocking exerciser

Roll-able dumbbells

Rotary exerciser

Rotatable weight exercise device

Rotating grip barbell

Rotator cuff exercise machine

Rowing exercise machine

Rowing machine

Safe grip weights

Safety apparatus for weight lifting

Safety barbell weight

Safety device for spotting a user of a barbell without a...

Sand filled exercise stick