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This paper is in the following e-collection/theme issue:

Mobile Devices and Apps for Seniors and Healthy Aging (298) Mobile Health (mhealth) (3742) Research Instruments, Questionnaires, and Tools (805) mHealth for Data Collection and Research (1288) Physical Activity for Older People (312) Usability and Technology Use Studies with Elder Subjects (304)

Published on in Vol 8 (2025)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/67322, first published .
Elderly woman walking on a mat in a research lab, with a screen showing her in motion.

A Smartphone-Based Timed Up and Go Test Self-Assessment for Older Adults: Validity and Reliability Study

A Smartphone-Based Timed Up and Go Test Self-Assessment for Older Adults: Validity and Reliability Study

Authors of this article:

Melissa Johanna Böttinger1, 2 Author Orcid Image ;   Sabato Mellone3 Author Orcid Image ;   Jochen Klenk4, 5 Author Orcid Image ;   Carl-Philipp Jansen1 Author Orcid Image ;   Marios Stefanakis6 Author Orcid Image ;   Elena Litz1, 2 Author Orcid Image ;   Anastasia Bredenbrock2 Author Orcid Image ;   Jan-Philipp Fischer7 Author Orcid Image ;   Jürgen M Bauer1, 2 Author Orcid Image ;   Clemens Becker1 Author Orcid Image ;   Katharina Gordt-Oesterwind1, 2, 8 Author Orcid Image
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