is a good idea.
It basically emerged out of the Running Community - but it has a wider application as well. So there may be people who want to improve their levels of fitness and strength who are not runners.
Above is a pic of the gizmos that I use to help me with doing pushups off the floor . They are made out of plastic and are quite inexpensive . They stop my hands and wrists from hurting when doing pushups flat on the floor.