Muscular work needs energy. The energy required for different activities is different. The energy needs of industrial workers will vary depending on the type of work he is doing. Energy requirements of workers in cold climates will be 15-20% greater and for those working in warm climates about 10% less than recommended allowances.
Requirement (per hour)
Sitting at rest
30 calories
Standing at rest
40 calories
Sweeping the floor
100 calories
Walking about
200 calories
Running
500 calories
Boxing
800 calories
Proteins If the energy requirements are adequately met, muscular work does not affect the protein requirements of workers. However it is necessary to provide about 20% extra protein to industrial workers to maintain nitrogen equilibrium. Moreover extra protein is required to meet the wear and tear and provide the extra protein required in cold weather.
Vitamin A Those workers exposed to bright sunlight during working hours may require more of this vitamin.
Thiamine The requirement of thiamine depends on the calorie intake.
Riboflavin Helps in the utilization of the energy from carbohydrates, fats and proteins.
Participants