INDUSTRY LEADER: For 30+ years, Body Solid has held the widest array of products designed to meet the demands of the ever-changing fitness industry (home gym, free weight machines, treadmills, bikes, ellipticals, weight plates, kettlebells, dumbbells, flooring, accessories and more). Our products are cutting edge and reliable and are built for LifeYour Life. PERFECT FOR LEG CURLS: This leg extension and curl machine is versatile, allowing you to perform both leg curls and extensions in upright and prone positions. It's designed to provide stability with its wide base design and hold-down grips on back and thigh pads.