{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T19:45:05Z","timestamp":1790883905402,"version":"4.1.0"},"reference-count":37,"publisher":"PeerJ","license":[{"start":{"date-parts":[[2022,1,10]],"date-time":"2022-01-10T00:00:00Z","timestamp":1641772800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Jozef Pilsudski University of Physical Education"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>There is a need for a study of possible relationship between serving a prison sentence and developing postural stability dysfunction. The aim of the study was to analyze postural stability of physically inactive prisoners. The study group consisted of 24 male prisoners aged 34.6 \u00b1 7.02 years, imprisoned in closed prison and 30 healthy, non-active physically, aged 36.9 \u00b1 7.5 years, who consisted control group. The subjects were imprisoned for a mean of 105.43 \u00b1 58.48 months.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>The static balance test was conducted on bi-modular stabilometric platform CQStab2P.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>We found statistically significant differences in several stability parameters. Prisoners results were significantly worse in parameters measured with eyes open: MA (mean amplitude<jats:italic>p<\/jats:italic>&lt; 0.01), MAAP (mean amplitude in anterio\u2013posterior plane<jats:italic>p<\/jats:italic>&lt; 0.03), MAML (mean amplitude in medio\u2014lateral plane<jats:italic>p<\/jats:italic>&lt; 0.04), MaxAP (maximal sway in AP<jats:italic>p<\/jats:italic>&lt; 0.01), MaxML (<jats:italic>p<\/jats:italic>&lt; 0.01). With eyes closed the prisoner\u2019s results were significantly worse in SPML (sway path in medio-lateral plane<jats:italic>p<\/jats:italic>= 0.01), better in MAML (<jats:italic>p<\/jats:italic>&lt; 0.01) and MaxML (<jats:italic>p<\/jats:italic>&lt; 0.01), and faster in MVML (mean velocity in medio-lateral plane<jats:italic>p<\/jats:italic>&lt; 0.01).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>(1) Diagnostics aimed at early diagnoses of ageing symptoms should be performed in prisons. It would allow for better prisoner management in terms of assessment of ability to work, free time activity offer and falls prevention. (2) In prisons, in addition to counteracting the typical causes of balance disorders, action should be taken to counteract the causes for balance disorders typical for prison environment,<jats:italic>inter alia<\/jats:italic>: sensory deprivation\u2014by implementing programmes comprehensively activating prisoners, and hypokinesis\u2014by implementing physical activity programmes that cater for the needs of older prisoners.<\/jats:p><\/jats:sec>","DOI":"10.7717\/peerj.12489","type":"journal-article","created":{"date-parts":[[2022,1,10]],"date-time":"2022-01-10T09:30:56Z","timestamp":1641807056000},"page":"e12489","source":"Crossref","is-referenced-by-count":3,"title":["Postural stability disorders\u2014early signs of aging\u2014in physically non-active prisoners"],"prefix":"10.7717","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4172-9706","authenticated-orcid":true,"given":"Piotr","family":"\u0141api\u0144ski","sequence":"first","affiliation":[{"name":"Academy of Justice, Warsaw, Mazovian, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2739-421X","authenticated-orcid":true,"given":"Aleksandra","family":"Truszczy\u0144ska-Baszak","sequence":"additional","affiliation":[{"name":"Faculty of Rehabilitation, J\u00f3zef Pi\u0142sudski University of Physical Education in Warsaw, Warsaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Justyna","family":"Drza\u0142-Grabiec","sequence":"additional","affiliation":[{"name":"Institute of Physiotherapy, Rzeszow University, Rzesz\u00f3w, Podkarpackie, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adam","family":"Tarnowski","sequence":"additional","affiliation":[{"name":"Institute of Psychology, Nicolaus Copernicus University in Toru\u0144, Toru\u0144, 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