Hot answers tagged

59

As far as I can tell, no. I've been riding 30 minutes or more every workday before breakfast for more than 10 years with no detectable ill effects. When I was riding an hour to work I'd sometimes have a small snack before riding, but only rarely. When I'm cycle touring I'll often ride for an hour before I have breakfast, as that wakes me up and gets me warm, ...


29

This would have to be one of the most opinion-based questions we could possibly have, and one of the most important to deal with in a sensible manner. Firstly, it must be said that what is safe depends on the woman's own behavioral history, and the state of the pregnancy. She certainly should not be taking up new active sports. Some competitive sports ban ...


28

This is not an either-or proposition. Your bike is hitting the bumps and supporting your full weight (minus the very small proportion of weight that might be falling at that exact moment) regardless of how you stand when you hit the bumps. The difference is whether you're going to let the additional damping effects of the down tube, seat tube, bottom ...


25

The body controls its core temperature, not the skin temperature. Skin temperatures will vary significantly, to the point they are generally considered an unreliable way to measure core temperature, especially for people under heat stress (Riding a bicycle). (Refer : here) Screening using such a thermometer is more about the "Security theater" of ...


24

It sounds like you over-exerted yourself and "bonked" – your body ran out of sugar so you fainted. In that case, you reduce the risk by eating more while you ride* and by listening to your body more and backing off when it's getting too much. It may also be blood-pressure related: people with low blood pressure are (as I understand it) more ...


22

If I see a significant bump coming (on my touring bike -- no suspension), or just a stretch of fairly rough pavement, I'll generally raise my bum a few inches off the seat and flex my arms, so that my legs and arms are the "springs". This in not only more pleasant than taking the hard bumps, it also helps the bike maintain contact with the road, reducing ...


20

The myosin heads of muscle fibres move using the energy produced by converting ATP to ADP. The energy extracted is about 30.5 kJ/mol of ATP. Muscle tissue has limited ATP storage. Your muscles' primary fuel storage is local Glycogen. Converting Glucose to ATP Glycogen is converted to Glucose. Glycolysis, the Citric Acid Cycle (aka TCA Cycle, Krebs Cycle) ...


19

You cannot outride (or outrun or out-any-other-exercise) a bad diet. On top of that, decades of research shows it's impossible to "spot-reduce". Your options are: Eat some combination of food that results in fewer calories in. Shoot for somewhere between 200-500 fewer calories for moderate weight loss. Ride some combination of harder and longer while ...


18

A scientific Journal, Chest Journal, published an article about the efficiency of heat exchange masks on asthmatic subjects during cold weather exercise. They found that the heat exchanger masks were at least as effective as pre-treatment with albuterol in preventing decline in lung function. I found several commercial heat exchange masks which could ...


18

How hard do you ride? If you ride hard and in hard gears it could be that your legs are accumulating fatigue and simply don’t have enough time to recover from one day to the next even though it’s only 3km. It’s made worse because you don’t have an easy start to warm up. Even pro riders don’t do hard training every day, most of the training is spent at an ...


16

Unlike riding horses, there are no body movements that are dangerous for pregnant cyclists in any stage of pregnancy when riding on roads. Mountain cycling is not as safe and I would certainly talk that over with a Dr or midwife. The risks are mostly the same as any other road user in your area. How do car behave around cyclists and how safe are the roads ...


14

Long term benefits ... Hmmm ... does 55 years count as long term? If so, I think I and a few others here qualify ... Key benefits Cycling is a life-long form of exercise. One of the group I meet for coffee is 82, another is 80. A bunch are in their sixties and seventies, and another bunch are in their fifties. About a quarter are women. Another bunch I ...


14

This would be a great problem to have for most of us roadies. Simply eat more if you find yourself losing more weight than you care to lose. You can alternatively balance with more strength based exercises like lifts, pulls, rows at the gym or elsewhere. Or cake.


13

If you are riding near your aerobic limit you'll definitely discover that you've lost aerobic capacity during the next 12-24 hours. It can take that long to replace the red blood cells you've lost. Since a blood donation is about 10% of your blood capacity, your aerobic capacity will be down by 10% I wrote the rest of this before I saw your comment that ...


13

Here in the UK on BBC TV last night was a program 'Trust me I'm a Doctor' in which they examined the effect of exercise in men and women and whether to eat before exercising or after. On average most men (having more muscle) burnt more carbohydrates from their body stores so are better eating after exercise. Most women (tending to have more fat in their ...


12

Briefly, a quick rinse with clean water, and possibly dressing it, are probably all you need to do on the trail. This assumes a day visit to a typical trail centre or cross country riding near to facilities in a country with a reasonably accessible healthcare system, i.e. most mountain-biking. This was also confirmed by an outdoor first aid course I did ...


11

Depends on exercise intensity. In a day or two you can return to your normal/moderate exercise. A complete recovery of oxygen delivery can take as much as 3/4 weeks. This means a professional athlete should be careful because he will loose performance, but us normal human beings can carry our normal daily lives. You can read more complete answerers given ...


11

"Cyclist's Palsy" shouldn't happen at all. Find someone competent to help you fit your bike. My first suggestion is the nose of your saddle it too low causing you to lean forward and put pressure on your hands. Whatever the cause, you need to find it and fix it before you do permanent damage.


10

Since it's on the inside of your thighs, it's a good bet that our seat is too wide, or not properly adjusted. A chamois crème will help, but I think the saddle change is a better idea.


10

You are correct - keeping the bike in the appropriate gear is important. Generally, you should have a preferred pedaling rpm, or cadence that you try to keep constant. Change to lower gears on uphill gradients, higher gears on downhill gradients. If you find yourself going downhill at a speed that even your highest gear makes you pedal too fast, feel free ...


9

I'd perhaps look at your saddle again. Padding isn't everything and there is a lot to be said for fit/sit bone width. Consider getting measured/fitted. I know what width fits me in the brand I buy. Personally, I think every serious cyclist should know their saddle size as well as their frame sizing. Keep in mind that all your riding up to this point (...


9

Find an alternate route When commuting, we tend to gravitate to the shortest route, which is rarely the most fun or picturesque. You know you can ride 4.5 km, so look out for some 5-8 km routes. Also look for bike paths instead of sticking with roads. You might find a side road that is more enjoyable. Time is not really that important when commuting. ...


9

One factor could be the lower emissivity of sweat compared to human skin. At a given temperature, different materials emit different amounts of infrared radiation for the thermometer to detect. Skin has an emissivity of about 0.97. (1.0 is the maximum possible value). At the same temperature, pure water will emit slightly less because it has 0.96 emissivity. ...


8

The proper and safest option is to 'claim' the lane and act as if you were a car by sitting in the turning lane. This ensures that you are visible to motorists and if you follow the road rules you are more likely to gain respect of those around you. In a number of countries there are cyclist boxes in controlled intersections which offer even more security ...


8

You can't really burn "tummy fat." Your body has an order that it will store fat in and it will lose fat in the reverse order. You can lose bodyfat, but it goes away in the reverse order that you put it on. You can make it appear that you've proportionally lost more weight in your tummy by building up the muscles there.


8

There are several phone apps / web sites you can use. They all have a free mode and a premium mode. A few of them are: Endomondo Last time I used this (a couple of years back) it was able to give real time updates and "coaching" on your performance. It can handle many different sports and activities. MapMyRide I haven't used this; some other people here do ...


8

32km per day is a lot for some one who is out of shape. I added the [commuter] tag to your post. If you click on it, you'll see hundreds of posts about commuting. Some are like this one, so your question may get closed if it's a duplicate. Since you know you have health issues, the conservative advice is to discuss your plan with your doctor. If it's ...


8

I've been reading a couple of questions on weight loss lately, and cycling or jogging before breakfast was one of the tips. The justification is it kick starts the body's metabolism into "make energy" rather than "make fat" 10 km isn't a huge ride - should be about 20-25 minutes on the bike. You should remember to hydrate sufficiently too. The full ...


8

Similar to the other answers it would be worthwhile getting a professional to assess your current bike fit (and potential modifications that may be required). If possible I would suggest a sports physiotherapist that specializes in bike fitting. They exist, I have used one before. A physio will be best qualified for assessing how changes in position can ...


8

Will you be in Hokkaido? We toured there extensively this summer and cycled through several dozen tunnels: here our findings. They might apply to other parts of Japan. Newest tunnels on big roads have wide side pavements where you can (and possibly are supposed to) cycle. Safety is not an issue but you might have to dismount to make it on the pavement and ...


Only top voted, non community-wiki answers of a minimum length are eligible