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Cosfer 5-Spring Stainless Steel Chest Expander C7306.
Made of high-quality stainless chrome-plated steel.
Includes 5 independent spring systems.
Desired tension can be created by removing or adding springs.
Usage and Benefits:
Do not let the name mislead you; it is not just for the chest. It targets the lats, back, triceps, and trapezius muscles. Since 85% of shoulder width is thought to come from the lats, this is an excellent tool.
What sets this tool apart from weight training is the gradual increase in stimulus to the muscles (nerves). The more you pull, the more force you exert, which is a unique way of working the muscles. This coordination sends a message to the brain that the muscles are being challenged in a different way, prompting protein recovery.
Note: Improper use without warming up can lead to injury. It is highly recommended for beginners and intermediate athletes to improve coordination and deep muscle fiber engagement.
