Malcolm Campbell, of Alnwick, Northumberland, was using an abdominal crunch machine
at the No Limits Gym in the town's Fenkle Street, at about 7.
The crunch machine
was designed by someone with a really sadistic streak.
5 minutes accomplishing core abdominal exercise on a Cross Crunch machine (Savvier LP).
The exercise machine was a commercial exercise device produced by Savvier LP of Carlsbad, California, called the Cross Crunch machine (Figure 1).
Abdominal crunch machines
[ILLUSTRATION FOR FIGURE 3 OMITTED] are also a very popular way to develop the rectus abdominis muscles.