Overhead Kettlebell Lunge
Your body performs along forward, backward, rotational and diagonal planes of movement everyday. A lack of balanced strength along these planes will result in injury-such as a twinge in your back when picking up a suitcase or indulging in your first golf game of the season.
To be fair, machines do have a place in rehab and training, when muscle isolation, or the ability to control movement, speed, direction and intensity is desired. Machines are also useful for novice exercisers who may need a very structured program of movement to build some very basic strength. Machines can also have a role in “bulking” up the body with muscle for unspecified strength. Obviously, body builders will want as much muscle as possible, and aren’t as concerned with how that muscle performs precise, athlete movements. But functional training should be the core of a fitness program for anyone who wants to develop an athletic body along with strength, skill, agility and balance for sports (and life) outside the gym.