Reference: Bashkireva, A. S., Bogdanova, D. Y., Bilyk, A. Y., Shishko, A. V., Kachan, E. Y., & Arutyunov, V. A. (2018). Quality of life and physical activity among elderly and old people. Advances in gerontology= Uspekhi gerontologii, 31(5), 743.
Reference: Lee, H. S., & Park, J. H. (2015). Effects of Nordic walking on physical functions and depression in frail people aged 70 years and above. Journal of Physical Therapy Science, 27(8).
Comparison of the exercise effectiveness on functional fitness of 2 different styled Nordic walking in community-dwelling middle-aged and elderly women1Effects of Nordic walking on functional fitness dynamic balance and gait in physically frail older adults1