Versatile core and upper body training The strap supports floor crunches and pull ups, helping target the abs through cantilevered arm support and adapting to a variety of fitness routines. Safe and ergonomic design The elastic cantilever system minimizes joint pressure, enhances muscle contraction, and provides a secure training environment to support consistent progress. Adjustable core trainer for all levels Fl exible and adjustable strap design targets deep abs while shaping muscle tone, accommodating users of all fitness levels for performance. Portable and convenient Easy folding and lightweight materials enable space saving storage, making the strap suitable for both home use and gym environments. Key attributes at a glance Function: core training and upper body movements including floor crunches and pull ups Material: lightweight construction with an elastic cantilever system for controlled resistance Adjustability: flexible strap design that adapts to different fitness levels Performance: designed to reduce joint load while promoting stronger, more defined abdominal muscles Size and storage: compact and foldable for easy transport and storage Use scenarios Home workouts in a small space: integrate floor crunches and assisted pull ups into a core focused routine without bulky equipment Gym circuit training: add the strap to stabilize the core during upper body work and enhance overall exercise quality Travel or temporary spaces: fold and pack the strap for on the go workouts, maintaining consistency when a full gym is not available