The Truth About Stretching and Flexibility

Stretch before you play or you'll pull something. Every athlete has heard it, and most still sit in long static stretches before they train, convinced it's protecting them. The research has been clear for years: that's not how it works.

Does Static Stretching Prevent Injury?

Not really. Holding long static stretches before activity has repeatedly failed to show meaningful injury reduction — and worse, it can briefly reduce your strength, power, and sprint speed for the session that follows. You're relaxing and lengthening a muscle right before you ask it to produce explosive force. That's backwards.

What actually lowers injury risk is being strong through a usable range of motion and warming up properly — not stretching a cold muscle until it loosens.

The goal is not a muscle that's loose. It's a muscle that's strong and in control through range.

Mobility vs Flexibility: What's the Difference?

Flexibility is how far a joint can be passively moved — how far someone can push your leg. Mobility is how far you can actively move and control a joint under your own power. For sport, mobility wins every time. Range you can't control is not useful; it can even be a liability.

Plenty of athletes are "flexible" but weak and unstable in those end ranges — which is exactly where injuries happen. The fix isn't more passive stretching. It's building strength and control through the range you actually need.

So What Should You Do Before You Train?

Warm up with movement, not with holds. A real warmup raises your temperature, wakes up your nervous system, and takes your joints through the ranges your session will demand:

• Dynamic movements — leg swings, lunges, crawls, skips — that move joints through range actively
• Progressive intensity that builds up to the speeds and loads you're about to hit
• A little sport-specific prep so the nervous system is ready to perform, not relax

Does Static Stretching Ever Help?

Yes — just not as a pre-training injury shield. Done away from your hard sessions (or at the end), static and long-hold stretching can help improve long-term flexibility where you genuinely need more range. The mistake is using it as a warmup and expecting it to protect you. Right tool, wrong time.

The Bottom Line

Static stretching before you train doesn't prevent injury and can quietly rob you of power. Warm up with movement, chase mobility over passive flexibility, and build strength through the ranges your sport demands.

Which range you actually need more of — and where you're tight versus just weak — is exactly the kind of thing an assessment answers. Stop stretching blind and start training the range that matters.

Frequently Asked Questions

Should I stretch before working out?

Not with long static stretches. Those can temporarily reduce power and don't prevent injury. Warm up with dynamic movement instead, and save static stretching for after training or separate sessions if you need to improve flexibility.

Does stretching prevent injuries?

Static stretching before activity has not been shown to meaningfully prevent injuries. Building strength through a usable range of motion and warming up properly are far more effective for staying healthy.

What is the difference between mobility and flexibility?

Flexibility is how far a joint can be moved passively. Mobility is how far you can actively move and control a joint under your own power. For athletes, controllable mobility matters more than passive flexibility.

What is the best warm up for athletes?

A dynamic warmup: movements like leg swings, lunges, skips, and crawls that take joints through active range, with intensity building up toward the demands of the session. This prepares the body to perform rather than relaxing it.