Other than the almighty treadmill, there may not be a piece of equipment more synonymous with commercial gyms than the Smith machine. Boasting tremendous versatility and functionality, this muscle-building tool is popular among lifters of all experience levels. However, you don’t need a gym membership to enjoy its benefits. While it may have not been a home gym staple years ago, the Smith machine has become a must-have for many fitness enthusiasts. Offering added protection without a spotter for your bench presses, back squats, deadlifts, and other strength exercises, the Smith machine is a wise investment for those trying…