{"product_id":"adjustable-u-shaped-arm-trainer-with-3-resistance-levels-30-50kg-steel-frame-power-twister-for-chest-biceps-shoulder-workout-home-gym-fitness-equipment","title":"Adjustable Steel Frame Power Twister For Upper Body Workouts","description":"\u003cdiv\u003e\n\u003cp\u003eMaster your upper body strength with an adjustable steel frame power twister that scales resistance as your muscles adapt.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYou customize your session across three distinct weight settings between thirty and fifty kilograms, guaranteeing steady overload without hitting plateaus early in your routine.\u003c\/li\u003e\n\u003cli\u003eYou directly isolate your chest, biceps, and shoulders through a controlled U-shaped flexing motion that activates multiple joint angles better than standard dumbbell curls.\u003c\/li\u003e\n\u003cli\u003eYou trust a rigid solid steel chassis to remain completely stable under maximum bend tension, preventing frame warping during explosive or slow-tempo repetitions.\u003c\/li\u003e\n\u003cli\u003eYou store this space-conscious trainer beneath furniture after each lift, keeping dedicated resistance training accessible whenever your schedule requires focused upper body work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Boundless Outdoor","offers":[{"title":"MULTI \/ United States","offer_id":58906687340704,"sku":"14:200003699;200007763:201336106","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/0411\/2800\/files\/A1d0ca2afde7c4bbf8897f053315ca710v.webp?v=1789314303","url":"https:\/\/boundlessoutdoor.com\/products\/adjustable-u-shaped-arm-trainer-with-3-resistance-levels-30-50kg-steel-frame-power-twister-for-chest-biceps-shoulder-workout-home-gym-fitness-equipment","provider":"Boundless Outdoor","version":"1.0","type":"link"}