60
votes
Accepted
Is commuting 10 km on an empty stomach harmful?
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 ...
- 23.3k
25
votes
Accepted
Might biking lower forehead temp readings at destination?
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, ...
- 49k
24
votes
Accepted
I get dizzy when I dismount. Causes?
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 ...
- 17k
24
votes
Is cycling an aerobic or anaerobic exercise? What is the effect of cycling on weight loss?
The answer to the Title question, "Is cycling an aerobic or anaerobic exercise?", is yes.
Aerobic exercises are endurance-type exercises that increase a person’s heart rate and breathing ...
- 637
20
votes
Is commuting 10 km on an empty stomach harmful?
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' ...
- 3,906
19
votes
How can I learn cycling with polio in my right leg?
I think the consensus in recent years has been to not use any kind of training wheels when learning to ride a bike. For young children there are balance bikes which don’t have any pedals or drivetrain ...
- 26k
18
votes
Stiff but short daily commute leading to "heavy" legs
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 ...
- 26k
16
votes
Accepted
What are the disadvantages of bicycle saddles with cut-outs?
The primary consideration in finding a saddle is how well it suits your sit bone shape and groin tissue. Some people do best with saddles that have massive cutouts (heck, even those ones that look U ...
- 15.5k
14
votes
How to avoid the road bike physique
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 ...
- 1,313
14
votes
What's the proper science-driven way to treat mild scrapes/abrasions (that have a bit of dirt in them) from a mountain biking crash?
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 ...
- 57.2k
14
votes
How long should one wear a backpack while cycling
This is an impossible question to answer without a physical examination by a medical expert, which I highly recommend. Enduring back pain and poor posture are not things you want to take lightly, as ...
- 49k
13
votes
Is commuting 10 km on an empty stomach harmful?
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 ...
- 131
13
votes
Is cycling an aerobic or anaerobic exercise? What is the effect of cycling on weight loss?
Cycling at moderate intensity is mostly an aerobic cardio exercise.
How many calories you burn in an hour depends on your power output. A heavy professional cyclist (90kg, 6W/kg 5W/kg) can probably ...
- 26k
12
votes
Accepted
Daily commuter - stamina got worse after saddle height adjustment
A change of saddle height won't change your stamina.
'Stamina' is a crude term that reflects many processes within the body which contribute to powering the bike forward.
At a very basic level, we ...
- 18.3k
12
votes
How can I keep riding with bad knees?
I think you really have to see a professional (or several) for this. The first priority would be to make sure your seating position is not causing or aggravating the issue. A physiotherapist who’s ...
- 26k
11
votes
cyclist's palsy: how long does it last
"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 ...
- 620
11
votes
Accepted
Does a build-up of CO2 in the lungs make you out of breath?
This is a huge topic. It is true that the breathing reflex is controlled by CO2 in your body (not just in the lungs). The key is the acidity of the cerebrospinal fluid. If you reduce your CO2 level, ...
- 16.1k
11
votes
What are the disadvantages of bicycle saddles with cut-outs?
Saddles are the most personal contact point on the bike.
If you prefer a cutout, or specifically don't like cutouts, then you have the option of either. Gender and differences come into it as well, ...
- 121k
10
votes
Accepted
How do you keep from coasting too much on a bicycle?
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 ...
- 75.5k
10
votes
False hrm results
Try replacing the battery, it could be running flat.
Make sure you're getting proper contact with your HRM to your chest - try adding some conductive gel.
Try a different soft strap, they wear out ...
- 1,357
10
votes
How can I learn cycling with polio in my right leg?
In many countries there are groups that have an interest in helping people with disabilities get into cycling - e.g. https://wheelsforwellbeing.org.uk/ . I would suggest such an organization if you ...
- 49k
9
votes
Accepted
Minor but persistent saddle sore - Safe to continue riding?
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. ...
- 9,938
9
votes
Stiff but short daily commute leading to "heavy" legs
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.
...
- 121k
9
votes
Might biking lower forehead temp readings at destination?
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 ...
9
votes
Is cycling an aerobic or anaerobic exercise? What is the effect of cycling on weight loss?
You have several questions mixed into one here. You're asking about "losing calories", and about losing weight. Those are two different things. You also ask if cycling is aerobic or ...
- 677
8
votes
Is commuting 10 km on an empty stomach harmful?
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"...
- 121k
8
votes
Bicycle design for a crooked hip
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 ...
- 30.4k
8
votes
Accepted
Cycling into tunnels
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 ...
- 96
8
votes
How do you keep from coasting too much on a bicycle?
Your speed on any kind of bike is limited by the power you can put through the pedals to overcome air resistance. Air resistance increases with speed so, if you pedal with a level of effort that's ...
- 17k
8
votes
What exactly do seats with a cut out in the middle achieve?
The depressed channel running down the middle of the saddle is what is taking pressure off the perineum, not the actual hole in the middle. Some saddles merely have the channel with no actual hole.
- 75.5k
Only top scored, non community-wiki answers of a minimum length are eligible