Back Muscles WorkoutBack smash and abs with the West Twins November 8, 2016 - by admin - Leave a Comment Happy hump day one and all 👊🏻😘 #humpday #thewesttwins #morning #instfit #glutes #legs #girlswholift #fitgirls #femalefitness #girlpower #twins #gymtwin A photo posted by The West Twins Gym Twins® (@thewesttwins) on Nov 1, 2016 at 11:59pm PDT