Journal for the Measurement of Physical Behaviour

🦋 Did you know we're also on Bluesky? To better align with the journal's mission, we're no longer actively posting on X. Follow us on Bluesky or LinkedIn for all the latest device-based physical activity measurement research!

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We are seeking our next Editor to take over for Prof. Charlotte Edwardson in July 2026. This is an exciting opportunity to help define our relatively young field and lead a journal that now has its Impact Factor. For more details, please see:

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📢Just Accepted!
In this new original research, authors investigate #PhysicalActivity estimations -- volume and across intensity categories -- from #wearables 🆚 heart rate monitors.
👉Read the abstract here, full text soon!

Researchers investigated the #ActiGraph ActiLife step algorithm's sensitivity to sampling frequency (Hz).
🔑findings:
1. The #algorithm is sensitive to Hz; 30 Hz is the most accurate setting.
2. MAVM algorithm isn’t affected but is less precise.
🔗doi.org/10.1123/jmpb.2…

⏰ Comparison of #activPAL time in bed (TIB) #algorithms to polysomnography (PSG):
☑️overestimated TIB by ~40 minutes
☑️detected earlier TIB start and later TIB end
☑️TIB start and end were within acceptable limits, but TIB agreement was weaker
Article🔗doi.org/10.1123/jmpb.2…