Just before you crest a hill or reach the end of a speed interval, your lungs go into overdrive. Your breath becomes shallow and rapid. You think if only you could pull in more air, you could surge up that hill or maintain your pace. But the more your chest heaves, the more you struggle. You may even end up exhausted, bent over, gasping for air.
Runners think about training their heart and legs, but they rarely think about training their lungs. A strong respiratory system can improve your running. It’s a simple equation: Better breathing equals more oxygen for your muscles, and that equals more endurance.
Just as we strength-train our hamstrings and calves to improve our ability to power over hills, we can tone the muscles used for breathing. Exercise improves the conditioning of the diaphragm, the muscle that separates the chest from the abdomen, and the intercostal muscles, which lie between the ribs and enable you to inhale and exhale. When you take a breath, 80 percent of the work is done by the diaphragm. If you strengthen your diaphragm, you may improve your endurance and be less likely to become fatigued.”
This was backed up by researchers from the Centre for Sports Medicine and Human Performance at Brunel University in England, who recently measured fatigue levels of marathoners’ respiratory muscles and leg muscles. They found a direct link-runners whose breathing was the most strained showed the most leg weakness-and concluded in their study that the harder the respiratory muscles had to work, the more the legs would struggle in a race.
The key to preventing lung-and leg-fatigue is breathing more fully. When you take deeper breaths, you use more air sacs in your lungs, which allows you to take in more oxygen to feed your muscles. When I’m running, I concentrate on taking slow and deep breaths to strengthen my diaphragm.
Most runners are “chest breathers”-not “belly breathers.” Try and run a mile at a pace that gets you blowing a bit. Then stop and place one hand on your abdomen and one hand on your chest and watch. The lower hand should move with each breath, while the upper hand should remain relatively still (usually the opposite occurs). Every time you breathe in, your belly should fill up like a balloon. And every time you breathe out, that balloon should deflate. When you chest breathe, your shoulders get tense and move up and down. That’s wasted energy-energy you should conserve for running.
Chest breathing can be a hard habit to break-especially while you’re preoccupied with keeping pace or calculating splits. One way to make the switch easier is to work on belly breathing when you’re not running, and the skill will eventually carry over to your running. To make this happen, some elite runners turn to Pilates, a program originally developed as a rehabilitation program for World War I soldiers. Pilates aims to increase flexibility, strengthen the core, and improve breathing. “I try to do Pilates twice a week,” says 2004 Olympic marathon runner Colleen de Reuck. “It stretches my intercostal muscles and lengthens my spine, which helps my breathing and my running.”
As always, I encourage your comments, experiences, and questions about breathing while running in the comments section. See what’s up next week for our #RunFormFriday tip! For more in depth understanding on how to put this into practise, get in touch and we’ll see how we can help!
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