How Arm Swing Affects Your Running (And How to Get It Right)

certified run coach Chi Running Coach Croft running coach running form

Most runners don’t think much about their arms when they run. After all, it’s your legs doing the work, right? But if you’ve ever found yourself feeling off balance, struggling with your cadence, or even dealing with tight shoulders on a run, your arm swing might be the missing piece.

Your arms play a bigger role in your running form than you might realize. They help with balance, efficiency, and even your overall speed. The best part? Making small adjustments to your arm swing can have an immediate impact on your running.

Why Your Arms Matter

Your arms act as a natural counterbalance to your legs. When your right leg moves forward, your left arm swings forward, and vice versa. This keeps your body stable and prevents unnecessary twisting through your torso. If your arm swing is too tight, too loose, or out of sync, it can throw off your whole stride.

A strong, relaxed arm swing can also make your running more efficient. If your arms move smoothly in coordination with your legs, you’ll reduce wasted energy. But if they’re crossing over your body or swinging too low, you might be working harder than necessary.

How to Improve Your Arm Swing

If you’re not sure what your arms are doing when you run, start by paying attention to them on your next run. Here’s what to look for:

  • Bend your elbows at about 90 degrees so your arms stay active without feeling stiff.
  • Swing from the shoulders, not the elbows. Your hands should move forward and back, not across your body.
  • Relax your hands. Clenched fists can create tension that travels up to your shoulders and neck.
  • Match your arm swing to your cadence. A quicker arm swing naturally encourages a faster turnover.

Small adjustments can make a big difference. If you’re training for a race or trying to improve your efficiency, working on your arm swing is an easy way to level up your running.

Work With Me

Running is about more than just putting one foot in front of the other. Form, efficiency, and strength all play a role in how you perform and how you feel on the run. If you want to fine-tune your mechanics, build a stronger foundation, and run with more ease, let’s work together.

I coach runners of all levels with a focus on movement that feels good and gets results. Whether you need guidance on form, a personalized training plan, or support in navigating running through menopause, I’ve got you covered. Reach out and let’s get started.


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