● Free-Style Seat Pad Design: Allows for both fixed-angle crunch training and free-style crunch training by rotating the seat. This enables users to perform diverse and targeted exercises for all abdominal muscle groups, enhancing training effectiveness.

● 3-Position Rotational Seat Adjustment: The rotating seat is adjustable to three positions (fixed angle or free angle), fully meeting the demand for sculpting abdominal muscles from various angles.

● 4 Barbell Storage Positions: Provides storage for barbells, with a maximum weight capacity of 400kg.

● Linkage Adjustment Resistance Mechanism: Allows for dynamic resistance changes during exercise, ensuring the resistance curve precisely matches the muscle strength curve, thereby significantly enhancing training efficiency.

● Resistance Band Anchor Points: Designed with attachment points for resistance bands, allowing for progressive resistance training to expand workout versatility.

● Seamless Shoulder Pad Engagement: The shoulder pads seamlessly connect with the shoulders, reducing arm involvement during crunches and making abdominal muscle activation more pronounced.