Strength enhancer at home The Twisting Arm exerciser is designed for effective upper body workouts, increasing training effectiveness by 40%. It targets the chest, shoulders, forearms, biceps, and thighs, enabling a comprehensive workout from home rather than the gym. Multifunctional strength training machine The Powerarc twister arm exerciser is different from traditional arm strength bars. It accurately stimulates multiple muscle groups including chest, forearm, arms, biceps, triceps, back, shoulders, and inner thighs, delivering professionalstrength muscle strengthening effects. Easy to install and adjust The rip stick offers 3 levels of strength. Suitable for fitness enthusiasts, beginners, women, or teenagers. Strength value is adjusted by simply selecting different positions during installation. Quality material and construction strength metal spring provides strong elasticity, durability, and stability. The exercise motion is smooth without stalling. An outer leather cover protects the metal to reduce injury risk. The handle uses thickened antislip foam for comfort and secure grip. Three strength levels are available to meet different exercise needs. Use scenarios 1) Home full upper body routine: target chest, shoulders, arms, back, and thighs with a compact setup at home. 2) Progressive forearm and grip training: diversify resistance levels to enhance forearm and bicep strength. 3) Beginner to intermediate training: adjustable resistance supports gradual progression for teens, women, or fitness newcomers.