Twister Arm Trainer Full body upper body workout The Twister Arm Trainer is designed for effective upper body exercises. This strength rod precisely targets multiple muscle groups, engaging the chest, arms, biceps, abs, shoulders, back, and even leg muscles. It supports explosive power development and helps sculpt an athletic physique. Multimuscle engagement Unlike conventional arm workout bars, this muscle training rod activates multiple muscle groups including the chest, wrists, arms, back, legs, and shoulders. This promotes a balanced and efficient strengthtraining session. materials and construction strength metal doublelayer spring provides strong elasticity. Thickened reinforced steel pipe enhances durability for longlasting use and resistance to bending or deformation. The Ushaped raised handle fits snugly in the palm for a secure grip, while the thick antislip foam handle offers comfort and reliable traction. Adjustable resistance levels Three adjustable resistance settings provide 60, 80, and 100 pounds of resistance. Suitable for beginners to experienced athletes. Key benefits and features Function: comprehensive upper body conditioning with multimuscle activation Material: strength spring, reinforced steel pipe, antislip foam handles Grip: ergonomic Ushaped handle for secure, comfortable grip Performance: durable, deformationresistant construction for steady training Resistance: three levels (60, 80, 100 pounds) Practical use scenarios Athome workouts: incorporate into upperbody circuits to train chest, arms, back, and core in a compact space. Progressive strength training: start at a lower resistance and advance to higher levels as strength improves. Warmup and conditioning: use as a dynamic tool to activate multiple muscle groups before or between more intense workouts.