Peter Sagan holding an aero position with minimal compensation - Photo by Ezra Shaw Getty Images |
#1 LEARN YOUR LIMITS.
The worst thing a rider could do is force a low aero position and hope for the best. With low back pain being one of the most frequent complaints among pros and recreational cyclist alike, the chances of long term pain- or injury-free riding are slim. Develop the flexibility first, then shoot for the next lowest position you can hold with a neutral spine.
Notice how there's no compensation at the lower or thoracic spine. Photo by ratemyarms.com |
#2 UPDATE & REFINE YOUR BIKE FIT
The bike must be fit to the limitations of the body, not beyond it. This may mean temporarily sacrificing some aerodynamics to protect the spine. As flexibility improves, try lowering your aero position by making some simple bike adjustments.
- Raise the saddle height: Raising the hips relative to the handlebar will allow the torso to reach a more parallel-to-the-ground position. Be careful though... the optimal saddle height for injury prevention allows for 25 to 30 degrees knee flexion (1). Going above or below this range can lead to an overuse injury.
- Tilt the saddle nose down: Tilting the nose down will allow the pelvis to tilt forward and make it easier to maintain a neutral spine easier. The optimal saddle tilt for low back pain prevention is around 10-15 degrees downward tilt. Cyclists who compensate heavily at the thoracic and lumbar spine may benefit from a downward tilt.
- Lower the handlebar:
- Flip the stem: If the stem forms an angle pointing away from the ground, removing the stem and installing it upside down will lower the handlebars. The amount of drop depends on the angle of the stem.
- Remove a spacer: If you have a threadless fork/ headset, removing spacers is another option which can lower the handlebar height by 0.5" or 1" increments.
While it can take weeks, months or over a year for an injury or reoccurring pain to develop as a result of faulty posture, it's not a risk that anyone should take, especially since it's preventable! As long as the faulty posture wasn't caused by scoliosis or from the aftermath of a surgery, there are exercises which can improve the mobility of the spine and streamline your aero posture. All you need is a floor and a foam roller.
Cobra Pose - Photo by cope-stress.blogspot.com |
- Riders compensating at the lower back: Riders who fall into this category must work on improving lower back range of motion. A simple yoga pose called the Cobra Pose can help improve flexibility specifically at the lower back. Hold the pose for 30 seconds. About 10-15 seconds into the stretch, try to relax and reach a deeper stretch for the remainder of the time.
- Riders compensating at the thoracic spine: Riders who fall into this category lack spinal extension at the thoracic spine. By performing a thoracic spine extension mobility exercise, eventually you can reach neutral and streamline your aero position. With your back against a foam roller, do 15-20 repetitions of very slow and controlled extensions. Target the entire thoracic spine by starting at the upper back near the lower border of the scapular, then shift the foam roller in small increments towards the lower back. Do the same number of repetitions per downward shift of the foam roller.
Thoracic Spine Extension Mobility Exercise - Photo by Fitstream.com |
Both types of riders must also work on hamstring flexibility exercises often as it is the major limiting factor to a safe, aerodynamic posture. See my post on stretching for more information.
#4 REPEAT STEPS ONE THROUGH THREE.
Every week to two weeks, check your progress by retesting your flexibility levels. As your body becomes more flexibile, reward yourself by adjusting your bike to allow for a lower position. Keep working on your weaknesses until you can reach your lowest, most efficient aero posture. Once you've met your goal, continue to do the mobility and flexibility exercises above to maintain your progress.
REFERENCES:
Asplund, Chad, MD, and Patrick, MD Pierre. "Knee Pain and Bicycling." The Physician and Sportsmedicine 32.4 (2004): 7. Print.
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Thanks! I'm glad that you like my blog! If you have any cycling or fitness related questions, feel free to ask me. I'm always looking for new topics to write about. :)
DeleteExcellent post! I'm trying to maintain a flat back on the bike to avoid re-injuring a herniated disc in my lower back. This is the best explanation I have seen on the relationship between hamstring and back flexibility and bike posture.
ReplyDeleteThank you! Having the saddle tilted down is especially important then! If you can't maintain a neutral spine on the drops, I recommend staying on the hoods until you develop the flexibility for that position.
DeleteThanks Vincent! I rarely use the drops but have started to bend my elbows while on the hoods to get lower, but only If I can maintain a flat back.
DeleteI was just thinking-- you should take a before and after picture on the bike as you gradually gain flexibility. It would be pretty awesome to see your position get progressively lower from month to month, and it would be a great way to show off your accomplishments!
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