Twister Arm & Chest Trainer Adjustable Upper Body Workout Equipment for Men Home Fitness Arms, Chest, Shoulders Forearms with Training Guide (Spring Resistance System)

Premium Material for Durability and Smooth Movement：Crafted with high-strength metal springs, the Twister Arm Trainer ensures strong elasticity, durability, and stability. It provides a smooth, uninterrupted motion during your workout. Multi Muscle Group Training：Targeting chest muscles, shoulders, arms (biceps/triceps), forearms, and core muscle groups to strengthen upper limb strength and coordination. Activate small muscle groups that are difficult to train with traditional equipment through movements such as rotation, pushing, and pulling. Three in One Resistance System：high-strength metal spring, strong elasticity, long service life, no jerking sensation in spring resistance, reducing joint impact. Three level resistance adjustment meets different intensity requirements 66-110 lb(primary/intermediate/advanced). Portable and Detachable Design：lightweight, easy to assemble/disassemble, suitable for home, gym, or outdoor use. The compact storage space makes it easy to travel. Efficiently：10 minutes of efficient training replaces the 1-hour gym routine. Whether it's muscle building and shaping, functional training, or increasing daily activity, it can meet the needs in a low-cost and highly flexible way.