im doing this 100 pushups thing they do an app for it. my mate whos amazing at climbing has a regime of doing 10 push ups 10 pullups followed by 10 situps constantly for 40 mins and hes the leanest person i have ever seen so hoping something like this may help me tone up a bit. he intends to join the 100 club which 100 pushups followed immediately 100 pullups.