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Quantum QSS-4020 Abdominal/Back Machine
The commercial strength QSS-4020 Back/Ab Machine by Quantum Fitness features the versatility of a fully adjustable lever arm and simple, highly functional engineering that makes entry and exit simple. Counter-balanced movement arm offers a lowe starting resistance. This machine supports a range of starting positions for both trunk and torso exercises. This commercial quality gym machine offers starting range adjustable in measures of 10 degrees.