1. Are running and taking the stairs bad for the knees?
Running and climbing are natural movements which are great for your muscles and heart. If you are fit and you’re running and taking the stairs correctly, these movements are not harmful. However, if you are thumping your feet hard on the ground then it is surely bad for the joints. Make sure you’re light on your feet. If you can hear your footsteps noticeably, you’re running incorrectly.
Too much of running and stair climbing can be bad for the knees of people who are extremely overweight, who have weak knees, or who are doing the movements with a wrong technique. A person can continue running into their seventies and eighties, which many marathon runners the world over do.
2. Is walking or jogging on concrete bad for the knees?
If someone’s running technique is wrong they will perhaps damage their joints sooner on a hard surface than they will on a soft mud track. But they will damage their knees on the soft track too. So an injury has less to do with the track surface than the running technique.
When we hear the thud of our feet while running, our joints are being jarred with each movement. When we run with the right technique, it is the muscles that do the work and act as shock absorbers causing minimal impact on the joints. Marathon runners, including the ones who run into their seventies and eighties, run on concrete roads their whole lives, but nothing happens to their joints.
Another essential factor in being a good runner is to give sufficient rest to the muscles between runs. Running well also has a lot to do with stretching the key muscles so that they retain their elasticity. Running excessively makes the calves and hamstring muscles tight and they need to be stretched adequately to prevent knee pain and injury.
Fauja Singh recently became arguably the oldest man to run a 42-km marathon at 100 years of age. Running on concrete roads for many decades has surely not damaged his knees!
3. Is running on the treadmill the same as running outside?
It is not a good idea to predominantly run on the machine in preparation for running outdoors, particularly in a marathon. I have seen so many people who regularly run long distances on the treadmill struggling to run a fraction of that on real ground outside. Many of them are shocked and frustrated, as they are under the misconception that running on the treadmill is an absolute substitute to running outdoors.
On a treadmill, the belt or the surface underneath your feet keeps moving towards you, unlike real ground outside. Just like a suitcase comes towards you on an airport baggage conveyor belt without any effort of its own, with every step you take on the treadmill, the forward leg comes back without any effort. You just have to lift the back foot forward again, which will again be brought back by the machine. The electrical power puts in the effort that you would otherwise have to, if you were running outdoors.
When you walk or run on the road outside, the leg that’s forward has to work harder. The muscles are being used in a specific way to propel the back leg forward each time. On a treadmill, the muscles of the legs are used in a totally different way as the surface below your feet is pulling-your forward leg back each time. So although it’ll feel like you’re running as much as you might on solid ground, using electrical power makes walking or running on the treadmill comparatively very easy and in fact, wholly different in the way your muscles are being used.
Running on the treadmill is not a natural movement and overdoing it is not great for you in the long run. Unless it is raining or snowing outside, just head out to the park nearby or even the road outside your house for your brisk walk or run.
4. What is the right running technique? What are the right running shoes? What is this concept of barefoot running?
Before the modern highly cushioned running shoe was invented, human beings were largely running barefoot or with very minimal footwear. When you run barefoot, you will discover your natural running movement in which you will be landing on the mid foot and front part of your foot rather than your heel. This is the right technique of running.
The running shoes with highly padded soles and heels that we get today enable us to run in a way that causes our heels to hit the ground first. This is wrong and a cause of many running-related injuries. You should buy shoes which enable you to easily run with the right technique of landing on the mid and front of your feet, rather than the ones which have such thick heels that force you to land on the heel.
Barefoot running is gaining popularity as it reduces the chances of injuries caused by the over-cushioned running shoes which cause us to run with a wrong technique, unless we are very conscious of applying the right technique when running. When running barefoot, we are instinctively forced to run with the right technique as it would be painful to land on the heel.
Since we are so used to running with shoes, it is tough and perhaps not practical to suddenly start running barefoot.
However, it is a great idea to run barefoot whenever you get a chance. When you are on the beach, grass, or nice mud surface—take off your shoes and run! An important argument in favour of barefoot running is that while running barefoot, you are able to feel the surface you are running on and the body adjusts the running technique accordingly. When running barefoot on a hard surface, you will be forced to be light on your feet, thereby reducing the chances of injury to your ankle, knee, and hip joints. You won’t find extensive studies comparing the results of shoes versus barefoot running but a little experiment running with and without shoes will confirm what I am saying here is simple common sense. I strongly recommend walking and running barefoot on grass and sand whenever you get a chance as it is very healing for the body. The soles of our feet have extensive nerve endings which get soothed and stimulated, resulting in rejuvenation of the whole body, when in contact with natural surfaces like grass and sand.
5. Will doing excessive crunches or working out on abs machines help me flatten my stomach?
Doing excessive crunches will only make your stomach muscles very strong which is not of much use, performance-wise, if your back and other muscles are not exercised accordingly. If you have a pot belly, it will remain well in its place no matter how many crunches you do. All it will do is create strong abdomen muscles beneath the flab.
Instead, you should be doing cardio exercises like running, cycling, brisk walking, skipping, and stair climbing to burn extra calories in order to flatten the stomach and lose weight in proportion to the rest of your body.
The other drawback in just doing excessive abdominal contractions is that it makes the stomach muscles much stronger as compared to the back muscles. This imbalance gives rise to lower back problems.
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