Movement Pulse · Stiffness

Research on stiffness and mobility, and the gentle movement approaches that translate the science into daily ease.

Stiffness

Stiff most mornings? What the largest review of tai chi and qigong actually found

A new BJSM umbrella review grades the evidence for tai chi, qigong and related practices across 1,744 trials. Plus a five minute weight shift experiment.

Aug 20, 2026

Stiffness

The back that feels stiff is the back that moves in fewer positions

A 2025 daily life study of 312 people found chronic back pain patients adopt significantly fewer distinct lumbar postures across the day than pain free controls.

Jul 17, 2026

Stiffness

The stiffness you feel is not the stiffness we can measure

A 2025 knee osteoarthritis study measured muscle stiffness with shear wave elastography and found it did not correlate with the tightness patients reported feeling.

Jul 17, 2026