Our back extension strengthens the erector spinae. It is a group of muscles and tendons in the lumbar muscle region of the back. Specifically, they help us extend upright from a bent over position.
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Полное описание
Adjustable back cushions, foot pegs, and multiple starting positions help users maintain correct posture
Deep-groove, 5-inch (12.7 cm) shrouded pulleys provide faultless cable tracking
Cold rolled steel weight stacks with noise dampening
Stainless steel guide rods resist rust and stay smooth
Internally lubricated 1500 lb (680 kg) steel aircraft cables provide quiet, smooth operation