Muscle D Fitness, formerly Muscle Dynamics, was founded in 1977 and today is a fitness and strength equipment manufacturer located in the city of Paramount, CA. Their fitness equipment offerings are expansive and cover multiple categories including plate loaded free weight machines, functional trainers, leverage strength equipment, multi-stations, selectorized weight stack machines, free weight storage solutions and more. Muscle Dynamics has a rich history of fitness equipment manufacturing including supplying weight benches, racks and exercise machines for Joe Gold, the original founder of Gold’s Gym. Muscle D was also one of the original equipment brands to be showcased at the famous Muscle Beach Gym in Venice Beach, CA.

Iron Zone Gyms is one of Muscle D Fitness's most trusted online dealers. Let us know if you have product questions or would like a custom bundled quote. Call 1 800-821-2681 or email quotes@ironzonegyms.com.