If you only want to do 1 exercise than it should be the push up! Pushup is one of the best total body exercise that you can do at home with out any equipment. In a push-up, you engage multiple muscle groups across the entire body.
Founder of precision fitness pk, resident fit girl, certified G.E.L, certified PN1 coach, karachiite and adventurer. On a mission to build a fitter tribe