为何有氧训练如此重要？

jacky

Why is cardio training so important?

Cardio training plays a vital role in human health and performance. With regular cardio training, one can expect numerous metabolic changes.

These include:

• Increased cardiac output
• Increased oxygen uptake
• Increased blood flow to active muscles
• Decreased sub-maximal respiratory rate
• Increased blood volume
• Improved thermoregulation
• Increased mitochondrial size and density
• Increased oxidative enzyme concentrations
• Increased capillarization in muscle bed
• Lower rate of all-cause mortality
• Lower rate of cardiovascular disease
• Lower incidence of type 2 diabetes
• Lower rate of total body fat
• Lower rate of colon cancer
• Lower rate of breast cancer
• Lower rate of osteoporosis
  

Introducing just a small amount of regular cardio training can greatly improve health (see chart above right: health benefit increases as baseline activity status increases).

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