Explain why magnesium requirements increase during intense resistance training programs. (4 marks)
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- Essential for muscle contraction and relaxation cycles during heavy lifting sessions as magnesium regulates calcium uptake in muscle cells which directly impacts force production
- Supports protein synthesis for muscle repair and growth following resistance training by activating enzymes required for building new muscle tissue
- Helps regulate energy metabolism which is crucial during high-intensity exercise because magnesium is required for ATP production and glucose metabolism
- Lost through sweat during intense training requiring increased intake for optimal recovery, with heavy training sessions potentially depleting up to 15-20% of daily magnesium stores
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Sample Answer
- Essential for muscle contraction and relaxation cycles during heavy lifting sessions as magnesium regulates calcium uptake in muscle cells which directly impacts force production
- Supports protein synthesis for muscle repair and growth following resistance training by activating enzymes required for building new muscle tissue
- Helps regulate energy metabolism which is crucial during high-intensity exercise because magnesium is required for ATP production and glucose metabolism
- Lost through sweat during intense training requiring increased intake for optimal recovery, with heavy training sessions potentially depleting up to 15-20% of daily magnesium stores