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Jan
22
comment Is crossing your legs bad for your posture?
Unfortunately, this question is basic medical/health advice, and off topic for our site.
Jan
22
answered What might happen if I get very low blood sugar during a run and continue running?
Jan
22
answered Breathing out during swimming freestyle
Jan
21
answered What activity level do I choose when starting out?
Jan
20
comment What does it mean to “isometrically contract” some muscles?
@BKE - Forced exhalation would, but not because of the diaphragm. In that case, you are contracting intracostal (rib) muscles, abs, etc. causing the ribcage and abdomen to compress. The diaphragm just relaxes. I'm not familiar with the book of the OP, but isometric contractions have been recommended to help build both strength and muscle density in many different regimens.
Jan
20
comment What does it mean to “isometrically contract” some muscles?
No, exhalation is the relaxation phase of the diaphragm. Nothing is contracting (Although you can control the rate of relaxation, or it will be handled automatically). Generally, inhalation is an isotonic contraction, the diaphragm contracts causing a vacuum which in turn expands the lungs and causes inspiration.
Jan
20
answered What does it mean to “isometrically contract” some muscles?
Jan
20
comment What are the detrimental effects of over exercising?
See Michaels answer. If you are running 2 hours a day, you NEED carbs for fuel. Stop following a fad diet, and eat real food, including carbs, the lower the processing involved the better.
Jan
20
comment Minimizing Stomach Discomfort During Race with Caffeine
Caffeinated drinks are not dehydrating. If you are taking pure caffeine such as nodoz, it would take 2 tablets before you get to the levels seen in studies that cause increased urinary output. (Current dosage levels are 1/2 - 1 tablet every 3-4 hours which would not impact urinary output). And yes, they do the same thing as caffeine in coffee, as they are the same substance.
Jan
20
comment Average Muscle breakdown by percentage (by weight) of the total
Agree with @EricKaufman - Even among cyclists there will be wild variation, look at a track cyclist versus a mountain specialist. (Chris Hoy vs. Bradley Wiggins). There is a huge variant between, well, everyone.
Jan
18
revised I'm very thin. How can I gain muscle?
added 20 characters in body; edited title
Jan
18
answered Redline heart rate running
Jan
18
answered Avoiding banned substances
Jan
18
comment Avoiding banned substances
This is off topic, unless you can relate it to your own workout regiment. However, I encourage you to do so since I think this is a valuable information question. If you add what your current workouts are and why you want to use the supplement, that would bring it squarely on topic.
Jan
13
reviewed Reviewed Good clean bulking meals
Jan
13
reviewed Reviewed How old should children be to train with weights?
Jan
13
reviewed No Action Needed Does muscle mass help or hurt for powerlifting and other strength sports?
Jan
13
reviewed Reviewed Lost 60kg, went too extreme and caused damage? Feeling overwhelmed
Jan
13
reviewed No Action Needed How to keep my leg muscle from increasing in volume while still exercising?
Jan
13
reviewed Reviewed Could a weighted shirt/vest replace a workout routine?