[Seated front neck pull-down] mainly exercises the back muscles.
Instructions for action: Sit on the fixed seat of the back pull training machine, and hold the handles at both ends of the upper horizontal bar with both hands.
Then inhale, pull the bar vertically from above your head to your chest, and pause for 2-3 seconds. Then exhale and slowly return along the original path.
Repeat. When completing the movement, both arms should use balanced force to prevent sudden jerking or uncontrolled reduction.