VIDEO: Gasp athlete and IFBB pro, Johnnie O. Jackson, takes us through one of his signature heavy back days at his gym in Texas. Watch for some serious back day motivation! - https://muscle.ms/JohnnieBack

VIDEO: Gasp athlete and IFBB pro, Johnnie O. Jackson, takes us through one of his signature heavy back days at his gym in Texas. Watch for some serious back day motivation! - https://muscle.ms/JohnnieBack 

Source: https://twitter.com/Muscle_Strength/status/1087832322970472448