Workplace Research Monthly

Fighting muscle fatigue for manual workers

A Polish study found that inertial training with a flywheel helped workers who do repetitive manual work improve strength and reduce muscle fatigue.

The study looked at a group of women with mild disabilities whose job required them to stand and move their arms from the shoulder most of the time.

Thirty-two of the workers did flywheel shoulder exercises 3 times across the work week. The study found the 4-week training program:

• significantly increased the women’s shoulder muscle strength
• reduced muscle fatigue at the end of each week
• increased work efficiency by 4%.

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