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The Question
10/06/09 11:59 AM

"i have trouble with nutrition during extended exercise. when my heart rate is > 140 bpm, my muscles are starving no matter how high my gi is. "
Asked By: pedal4speed  
Category: Exercise

Background Info Hide
i did my first ironman race this year and had many long training days. everyone of them was tough cause i just couldn't get anything to my muscles if my heart rate got over 140 bpm. so from that point on i was starving myself. if i would slow down to a crawl, i could get my h.r. down to <125 and my gi would drop from 140-160 to 110 or so in 30-40 mins. and i would feel much better. i am doing another ironman next september so i need to figure this out to be successful. thanks for any help you can give me.

Expert Answers (1)

10/14/09 11:32 PM

Dear Pedal4speed: Congratulations on your achievement! Doing an ironman race is a big challenge for anyone and even more so if you have diabetes. The key to successful eating in preparation for one of this events, is to be able to eat a balance of carbohydrates (these supply the fuel for your muscles), protein, fats, vitamins, minerals and water. Carbohydrates are the preferred fuel for your muscles so you have to eat these in every meal. The key is not to indulge in unlimited amounts of sugar, but rather combine complex carbs. Keep in mind that if you are eating enough carbs before, during and after the training session, you will not only have better performance but also better blood glucose control. Inquire if you could visit a Registered Dietitian who could design a plan for your needs.
Answered By: Sonia Angel
Accreditations: MS, RD, CDE
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Community Answers (1)

05/03/10 02:14 PM

Can you define a little bit more what you mean when you say your "muscles are starving"? Does that mean your glucose levels are extremely high, indicating they're not utilizing available energy, or do you mean that they cause extreme pain when you do it?
Answered By: the krowbar
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