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The Power of Change of Direction: Measuring What Matters in Human Performance

Written by
VueMotion
Published on
August 6, 2025
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In sport, split-second movements define outcomes. Change of Direction (COD), the ability to decelerate, shift, and reaccelerate is a fundamental skill that underpins performance and injury resilience across almost every athletic discipline.

Despite its importance, COD has historically been challenging to quantify with precision. Coaches and practitioners often relied on visual assessments or basic timing drills that lacked the nuance to identify asymmetries or inefficiencies.

That’s why we’re excited to introduce a new level of objective insight with the VueMotion Change of Direction Report, now available as part of our movement analysis platform.

Why COD matters

Whether it's a guard cutting across the key, a striker shifting to beat a defender, or a tennis player planting to chase a cross-court volley, athletes change direction constantly. COD performance isn't just about raw speed; it's about how effectively an athlete can:

  • Decelerate under control
  • Absorb and redirect force
  • Reaccelerate explosively

Inefficiencies in any of these phases, particularly deceleration, can increase the risk of injury and reduce performance output.

New data, better decisions

Our latest COD report takes the guesswork out of direction changes by offering frame-by-frame breakdowns and key metrics such as:

  • Early and Late Deceleration (m/s²)
  • Ground Contact Time (GCT)
  • Change in Hip Height (cm)
  • Step Width and Trunk Angle at Plant
  • Asymmetry percentages between left and right turns

When evaluating an athlete (pictured below), the report surfaces key asymmetries in:

  • Late Deceleration (-5.80 L vs. -5.18 R)
  • GCT Plant Step (0.68 s L vs. 0.57 s R)
  • Trunk Angles at Plant Stop (3° L vs. 19° R)

On paper, both left and right 10-0-5 times are comparable (3.40s vs. 3.38s). But when unpacked through the VueMotion lens, we observe significant directional compensation—an insight that can directly inform programming, injury mitigation, and even return-to-play timelines.

Visualize Progress. Target Risk.

The COD report also includes longitudinal tracking, allowing teams to see how athletes respond to training over time. Whether recovering from injury or developing movement efficiency, this progress-over-time view equips support staff with data to make smarter decisions.

We're not just capturing motion—we’re decoding it, offering the tools to:

  • Identify red flags before they become injuries
  • Customize training programs to correct asymmetries
  • Optimize return-to-play timelines with confidence

Elevate the Standard

Change of direction shouldn’t be evaluated by stopwatch alone. With our new reporting capabilities, VueMotion continues to lead the way in bringing science to the art of coaching. Performance isn’t just about how fast you go, it’s about how well you stop, shift, and go again.

Ready to unlock this next layer of athlete insight?
Reach out to your VueMotion rep or log into your dashboard to explore the new COD Report.