The 'Godfather of Bodybuilding' Charles Glass revealed his best protein source for gains and discussed his top exercise to build muscle.

ATHLEAN-X founder Jeff Cavaliere discussed how to effectively build better arms while sharing the perfect science-backed bicep workout.

Jeff Cavaliere, C.S.C.S., just dropped "the perfect" science-based biceps workout routine to incorporate into your lifts this year. Cavaliere advocates for training muscle groups twice a week to ...