Unique Full Upper Body Fitness EquipmentTwisterArm Trainer as your personal workout trainer and helping you get a killer chest workout, Through the training guide chart. Strength bar work multiple muscle groups with precision, including chest, arms, biceps, abs, shoulders and back, and thigh muscles.Mulit-Functional Strength Training MachineThis muscle training bars is different from a traditional arm workout bar in that it stimulates more muscle groups, including chest exercises, wrist exercises, arms, back, legs, and shoulders. You can get a stronger body just by following the standard instructions. It's simpler and safer, making it the right choice for home gyms.Quality MaterialHigh strength metal spring, strong elasticity, durability and stability. Exercise is smooth without stalling. The outer leather covers the metal to prevent sports injury. The handle is made of thickened anti-slip foam, which is both anti-slip and comfortable. Three strength levels to choose, to meet different exercise needs.Efficient & Portable ExerciseWhether you are a beginner or a professional athlete, Arm Trainer can help you with strength trainingsimple and practical. It's detachable, doesn't take up space, and you can use it to keep your muscles up when you're outdoors, traveling, in the office, or at home. It's a great addition to your gym. 10 min/time, 4 times/week, will give you perfect muscles.Ergonomic Design for Safety and ComfortTwisted Arm Trainer is designed with your safety and comfort in mind. The leather-wrapped metal protects you from injury, while the padded non-slip foam handles ensure a secure and comfortable grip, even during intense workouts.