The exercise device may also be converted to a pull mode wherein a pull force exerted between {TAIL ~ a plate} and a handle connecting the exercise device actuates {HEAD ~ a cumulative timer circuit} 
The exercise device may also be converted to a pull mode wherein a pull force exerted between { TAIL ~ a plate } and a handle connecting the exercise device actuates { HEAD ~ a cumulative timer circuit }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD