You’ve heard it a thousand times before a workout:
"Make sure you stretch first!"
Maybe you touch your toes a few times, yank your arm across your chest, or drop into a deep hamstring stretch. But here’s the thing: while stretching feels good, it may not be doing what you think — and in some cases, it could even be hurting your performance.
Today, we’re clearing the air: Stretching and mobility work are not the same thing.
Let’s dig into the science, redefine what an effective warm-up looks like, and give you better movement swaps to actually prepare your body for action.
Stretching — specifically static stretching — involves lengthening a muscle and holding it in a fixed position for a period of time, typically 20–60 seconds.
The goal? To temporarily increase flexibility or relieve feelings of tightness.
The problem? Static stretching before exercise can actually decrease muscle strength, power, and explosive performance.
Studies show that long static holds reduce neural drive to the muscles — meaning your brain’s signal to "fire" the muscle becomes weaker.This is not what you want before strength training, sprinting, jumping, or lifting.
TLDR highlights:
Mobility refers to your ability to actively move a joint through its full range of motion, under control.
Mobility work doesn’t just “loosen you up.” It improves:
In mobility drills, you’re not just passively holding a position — you’re activating muscles, controlling the range, and building strength in new ranges of motion. That’s why mobility work enhances performance instead of dulling it.
Bottom line:
If you want to move better, lift better, and feel better, you need mobility work — not just stretching.
|
Static Stretching |
Mobility Work |
|
|
Passive or Active? |
Passive (hold a position) |
Active (move and control a range) |
|
When to Use |
After workouts or recovery days |
Before workouts or as part of training |
|
Effect on Performance |
Can decrease strength/power |
Improves movement quality and stability |
|
Long-Term Benefit |
Temporary flexibility improvements |
Lasting joint control and resilience |
Instead of spending 10 minutes passively pulling on muscles, swap your stretches for active, targeted mobility exercises. Here are a few easy upgrades:
🔹 Swap: Standing Hamstring Stretch ➔ Hamstring Smash Targets hamstrings with active movement and control. Check out this video for a demonstration!
🔹 Swap: Seated Butterfly Stretch ➔ Half Kneeling Adductor Mobilization
Instead of sitting and pushing on your knees, actively open up your adductors by engaging your glutes — much more powerful for true hip mobility. Check out this video to see how it’s done!
🔹 Swap: Overhead Triceps Stretch ➔ Box Lat Stretch Mobilization
Targets lats and shoulders dynamically, prepping you for any overhead lifting or pulling. Click here to see it in action!
🔹 Swap: Standing Quad Stretch ➔ Anterior Hip Opener
Instead of just yanking on your ankle, open up the hip flexors and activate glutes at end range to build better hip extension control. Click here to see it live!
Stretching isn’t useless — it just needs to be used at the right time.
If you want to actually improve how your body moves and feels (not just how it looks in a stretch), mobility work is your ticket.
Train movement, not just muscles. Prioritize control, not just flexibility. And most importantly — move intentionally before you move intensely.
In good health,
Dr. Eliza Cohen
Performance Physical Therapist + Wellness Consultant
Wilmington, NC
Follow here for more performance and nutrition tips: @conquermovementpt @doctor_cohen14