With the MostFit Core Hammer you no longer need a bulky tire and sledgehammer to for this style of workout. Try these Core Hammer slams with Jumping Jack. This exercise is great for building core strength, aerobic endurance, and grip strength. With the MostFit Core Hammer, you or your clients can perform this and a variety of other sledgehammer exercises anywhere, anytime.
2015-06-19
Core Hammer Jumping Jacks
Most Read
