Sheena Jayne Martin is an IFBB Bikini Pro, and one of our favourite athletes to film. She always brings a unique and energetic workout to Muscle Insider TV, and this episode is no different. DaveMadMax catches up with her at the Mecca during one of her upper body depletion workouts. She leaves nothing to chance and everything on the floor before the Olympia – Just watch and see how this bikini bombshell crushes it in the gym!