It's this principle that's behind the rise of the 5x5 workout - a simple, expert-backed way to get strong, fast. The workout ...
Ditch crunches. Try 6 standing moves that burn more calories, tighten your core, and slim a stubborn belly after 40.
The main muscles recruited when performing a pullup are the back (specifically the rhomboids and lats ), arm muscles including the posterior deltoids and biceps, and the core. Here are some of the ...