Flexibility is passive range; mobility is usable movement and control. Neither needs to be maximised in every joint.

Mobility, Posture & Pain - Mobility & posture

Mobility vs flexibility

Last reviewed 3 August 2026. How we write this.

Flexibility is passive range; mobility is usable movement and control. Neither needs to be maximised in every joint.

Range requirements depend on the task, anatomy, strength and symptoms.

Train the range you need

Use controlled repetitions through tolerated range.
Stretch consistently when a specific range is limited.
Build strength within newly gained range.
Avoid forcing painful positions.

A restriction caused by injury or neurological symptoms is different from ordinary stiffness.

Educational content only. This does not diagnose a condition or replace assessment and advice from a qualified healthcare professional.

Related in this classroom

Posture myths and desk comfort (8 min read)
Low-back pain: what helps and what needs care (10 min read)

Sources for this classroom

Educational content only. Not medical advice, diagnosis or treatment. Always consult a qualified healthcare professional before changing your health regimen.