Body · Training
Mobility vs flexibility
The short version
Flexibility is how far a joint can be moved. Mobility is how well you can control movement through that range.
Both are useful. Control is what shows up in training.
The full version
Simple definitions
Flexibility is roughly how far a joint or tissue can move through its available range — think how far someone can push your leg up while you lie still.
Mobility is roughly your ability to get into and control useful ranges yourself — like squatting deep and staying balanced.
Not perfectly clean
The distinction isn't perfectly tidy in every context, and people use the words differently. Strength training through a full range of motion tends to improve both for many people.
What to actually do
You probably don't need to obsess over terminology. If a movement limitation matters for what you're trying to do — a squat, a golf swing, a sprint — work on it with short, regular practice. Short and often usually beats long and rare.
What actually matters
Train through a full, controlled range. Work on the specific restrictions that actually limit you, and use mobility routines as regular top-ups.
Key takeaways
- 01Flexibility = available range
- 02Mobility = controlled, usable range
- 03Don't stress the terminology
- 04Work on limits that matter to you
Related
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