{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T01:56:15Z","timestamp":1790560575105,"version":"4.1.0"},"reference-count":50,"publisher":"Springer Science and Business Media LLC","license":[{"start":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T00:00:00Z","timestamp":1790553600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T00:00:00Z","timestamp":1790553600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"funder":[{"DOI":"10.13039\/501100001665","name":"Agence Nationale de la Recherche","doi-asserted-by":"publisher","award":["ANR-22-CE17-0002"],"award-info":[{"award-number":["ANR-22-CE17-0002"]}],"id":[{"id":"10.13039\/501100001665","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["GeroScience"],"DOI":"10.1007\/s11357-026-02547-7","type":"journal-article","created":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T01:29:02Z","timestamp":1790558942000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Gastrocnemius medialis muscle\u2013tendon behavior during eccentric exercise in young and active older adults"],"prefix":"10.1007","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-9066-0464","authenticated-orcid":false,"given":"Juliette","family":"Lancelot","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8096-7913","authenticated-orcid":false,"given":"Robin","family":"Souron","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5419-6641","authenticated-orcid":false,"given":"Guillaume","family":"Chapelet","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2224-2014","authenticated-orcid":false,"given":"Anne-Sophie","family":"Boureau","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eva","family":"Demoy","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-2727-1716","authenticated-orcid":false,"given":"Math\u00e9o","family":"Rampal","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matisse","family":"Piriou","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-2117-6054","authenticated-orcid":false,"given":"Christophe","family":"Cornu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8623-9252","authenticated-orcid":false,"given":"Marion","family":"Crouzier","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,9,28]]},"reference":[{"key":"2547_CR1","doi-asserted-by":"publisher","first-page":"982","DOI":"10.1152\/japplphysiol.00475.2016","volume":"121","author":"SK Hunter","year":"2016","unstructured":"Hunter SK, Pereira HM, Keenan KG. The aging neuromuscular system and motor performance. J Appl Physiol. 2016;121:982\u201395. https:\/\/doi.org\/10.1152\/japplphysiol.00475.2016.","journal-title":"J Appl Physiol"},{"key":"2547_CR2","doi-asserted-by":"publisher","first-page":"351","DOI":"10.14336\/AD.2013.0400351","volume":"4","author":"M Gault","year":"2013","unstructured":"Gault M. Aging, functional capacity and eccentric exercise training. Aging Dis. 2013;4:351\u201363. https:\/\/doi.org\/10.14336\/AD.2013.0400351.","journal-title":"Aging Dis"},{"key":"2547_CR3","doi-asserted-by":"publisher","first-page":"1581","DOI":"10.1007\/s00421-019-04147-0","volume":"119","author":"Y Katsura","year":"2019","unstructured":"Katsura Y, Takeda N, Hara T, et al. Comparison between eccentric and concentric resistance exercise training without equipment for changes in muscle strength and functional fitness of older adults. Eur J Appl Physiol. 2019;119:1581\u201390. https:\/\/doi.org\/10.1007\/s00421-019-04147-0.","journal-title":"Eur J Appl Physiol"},{"key":"2547_CR4","doi-asserted-by":"publisher","first-page":"267","DOI":"10.1113\/jphysiol.1976.sp011515","volume":"260","author":"B Bigland-Ritchie","year":"1976","unstructured":"Bigland-Ritchie B, Woods JJ. Integrated electromyogram and oxygen uptake during positive and negative work. J Physiol. 1976;260:267\u201377. https:\/\/doi.org\/10.1113\/jphysiol.1976.sp011515.","journal-title":"J Physiol"},{"issue":"1","key":"2547_CR5","doi-asserted-by":"publisher","first-page":"760","DOI":"10.1186\/s40064-016-2550-5","volume":"5","author":"A Fukutani","year":"2016","unstructured":"Fukutani A, Misaki J, Isaka T. Influence of preactivation on fascicle behavior during eccentric contraction. SpringerPlus. 2016;5:760. https:\/\/doi.org\/10.1186\/s40064-016-2550-5.","journal-title":"SpringerPlus"},{"key":"2547_CR6","doi-asserted-by":"publisher","first-page":"126","DOI":"10.1097\/jes.0b013e3180a030ec","volume":"35","author":"MV Narici","year":"2007","unstructured":"Narici MV, Maganaris CN. Plasticity of the muscle-tendon complex with disuse and aging. Exerc Sport Sci Rev. 2007;35:126\u201334. https:\/\/doi.org\/10.1097\/jes.0b013e3180a030ec.","journal-title":"Exerc Sport Sci Rev"},{"key":"2547_CR7","doi-asserted-by":"publisher","first-page":"1548","DOI":"10.1080\/09638280701831058","volume":"30","author":"MV Narici","year":"2008","unstructured":"Narici MV, Maffulli N, Maganaris CN. Ageing of human muscles and tendons. Disabil Rehabil. 2008;30:1548\u201354. https:\/\/doi.org\/10.1080\/09638280701831058.","journal-title":"Disabil Rehabil"},{"key":"2547_CR8","doi-asserted-by":"publisher","first-page":"954","DOI":"10.1152\/japplphysiol.00845.2023","volume":"136","author":"P Tecchio","year":"2024","unstructured":"Tecchio P, Raiteri BJ, Hahn D. Eccentric exercise \u2260 eccentric contraction. J Appl Physiol. 2024;136:954\u201365. https:\/\/doi.org\/10.1152\/japplphysiol.00845.2023.","journal-title":"J Appl Physiol"},{"key":"2547_CR9","doi-asserted-by":"publisher","first-page":"1266","DOI":"10.1152\/japplphysiol.00128.2015","volume":"118","author":"A Lai","year":"2015","unstructured":"Lai A, Lichtwark GA, Schache AG, et al. In vivo behavior of the human soleus muscle with increasing walking and running speeds. J Appl Physiol. 2015;118:1266\u201375. https:\/\/doi.org\/10.1152\/japplphysiol.00128.2015.","journal-title":"J Appl Physiol"},{"key":"2547_CR10","doi-asserted-by":"publisher","first-page":"106","DOI":"10.1097\/00003677-200207000-00003","volume":"30","author":"T Fukunaga","year":"2002","unstructured":"Fukunaga T, Kawakami Y, Kubo K, Kanehisa H. Muscle and tendon interaction during human movements. Exerc Sport Sci Rev. 2002;30:106\u201310. https:\/\/doi.org\/10.1097\/00003677-200207000-00003.","journal-title":"Exerc Sport Sci Rev"},{"key":"2547_CR11","doi-asserted-by":"publisher","first-page":"116","DOI":"10.1123\/japa.2017-0359","volume":"27","author":"T Delabastita","year":"2019","unstructured":"Delabastita T, Bogaerts S, Vanwanseele B. Age-related changes in Achilles tendon stiffness and impact on functional activities: a systematic review and meta-analysis. J Aging Phys Act. 2019;27:116\u201327. https:\/\/doi.org\/10.1123\/japa.2017-0359.","journal-title":"J Aging Phys Act"},{"key":"2547_CR12","doi-asserted-by":"publisher","first-page":"38","DOI":"10.1016\/j.exger.2016.02.010","volume":"77","author":"T Cattagni","year":"2016","unstructured":"Cattagni T, Scaglioni G, Laroche D, et al. The involvement of ankle muscles in maintaining balance in the upright posture is higher in elderly fallers. Exp Gerontol. 2016;77:38\u201345. https:\/\/doi.org\/10.1016\/j.exger.2016.02.010.","journal-title":"Exp Gerontol"},{"key":"2547_CR13","doi-asserted-by":"publisher","DOI":"10.3389\/fnagi.2014.00336","author":"T Cattagni","year":"2014","unstructured":"Cattagni T, Scaglioni G, Laroche D, et al. Ankle muscle strength discriminates fallers from non-fallers. Front Aging Neurosci. 2014. https:\/\/doi.org\/10.3389\/fnagi.2014.00336.","journal-title":"Front Aging Neurosci"},{"key":"2547_CR14","doi-asserted-by":"publisher","first-page":"1147","DOI":"10.1016\/j.exger.2013.07.007","volume":"48","author":"LA Barber","year":"2013","unstructured":"Barber LA, Barrett RS, Gillett JG, et al. Neuromechanical properties of the triceps surae in young and older adults. Exp Gerontol. 2013;48:1147\u201355. https:\/\/doi.org\/10.1016\/j.exger.2013.07.007.","journal-title":"Exp Gerontol"},{"key":"2547_CR15","doi-asserted-by":"publisher","first-page":"57","DOI":"10.1111\/j.1748-1716.2006.01634.x","volume":"189","author":"OS Mian","year":"2007","unstructured":"Mian OS, Thom JM, Ardig\u00f2 LP, et al. Gastrocnemius muscle\u2013tendon behaviour during walking in young and older adults. Acta Physiol. 2007;189:57\u201365. https:\/\/doi.org\/10.1111\/j.1748-1716.2006.01634.x.","journal-title":"Acta Physiol"},{"key":"2547_CR16","doi-asserted-by":"publisher","first-page":"4035","DOI":"10.1007\/s00421-012-2393-x","volume":"112","author":"M Hoffr\u00e9n","year":"2012","unstructured":"Hoffr\u00e9n M, Ishikawa M, Avela J, Komi PV. Age-related fascicle\u2013tendon interaction in repetitive hopping. Eur J Appl Physiol. 2012;112:4035\u201343. https:\/\/doi.org\/10.1007\/s00421-012-2393-x.","journal-title":"Eur J Appl Physiol"},{"key":"2547_CR17","doi-asserted-by":"publisher","first-page":"1276","DOI":"10.1152\/japplphysiol.00430.2007","volume":"103","author":"M Hoffr\u00e9n","year":"2007","unstructured":"Hoffr\u00e9n M, Ishikawa M, Komi PV. Age-related neuromuscular function during drop jumps. J Appl Physiol. 2007;103:1276\u201383. https:\/\/doi.org\/10.1152\/japplphysiol.00430.2007.","journal-title":"J Appl Physiol"},{"key":"2547_CR18","doi-asserted-by":"publisher","unstructured":"Godin G. The Godin-Shephard Leisure-Time Physical Activity Questionnaire. Health Fit J Can. 2011;18\u201322. https:\/\/doi.org\/10.14288\/hfjc.v4i1.82.","DOI":"10.14288\/hfjc.v4i1.82"},{"key":"2547_CR19","unstructured":"Geneva: World Health Organization. Integrated care for older people (ICOPE): guidance for person-centred assessment and pathways in primary care, Second edition. 2024."},{"key":"2547_CR20","doi-asserted-by":"publisher","first-page":"235","DOI":"10.1016\/j.gaitpost.2019.04.015","volume":"69","author":"F Leboeuf","year":"2019","unstructured":"Leboeuf F, Baker R, Barr\u00e9 A, et al. The conventional gait model, an open-source implementation that reproduces the past but prepares for the future. Gait Posture. 2019;69:235\u201341. https:\/\/doi.org\/10.1016\/j.gaitpost.2019.04.015.","journal-title":"Gait Posture"},{"key":"2547_CR21","doi-asserted-by":"publisher","first-page":"111","DOI":"10.1016\/j.cmpb.2016.02.016","volume":"128","author":"DJ Farris","year":"2016","unstructured":"Farris DJ, Lichtwark GA. Ultratrack: software for semi-automated tracking of muscle fascicles in sequences of B-mode ultrasound images. Comput Methods Programs Biomed. 2016;128:111\u20138. https:\/\/doi.org\/10.1016\/j.cmpb.2016.02.016.","journal-title":"Comput Methods Programs Biomed"},{"key":"2547_CR22","doi-asserted-by":"publisher","first-page":"2492","DOI":"10.1016\/j.ultrasmedbio.2018.07.010","volume":"44","author":"MV Franchi","year":"2018","unstructured":"Franchi MV, Raiteri BJ, Longo S, et al. Muscle architecture assessment: strengths, shortcomings and new frontiers of in vivo imaging techniques. Ultrasound Med Biol. 2018;44:2492\u2013504. https:\/\/doi.org\/10.1016\/j.ultrasmedbio.2018.07.010.","journal-title":"Ultrasound Med Biol"},{"key":"2547_CR23","doi-asserted-by":"publisher","first-page":"978","DOI":"10.1152\/japplphysiol.00835.2019","volume":"128","author":"B Van Hooren","year":"2020","unstructured":"Van Hooren B, Teratsias P, Hodson-Tole EF. Ultrasound imaging to assess skeletal muscle architecture during movements: a systematic review of methods, reliability, and challenges. J Appl Physiol. 2020;128:978\u201399. https:\/\/doi.org\/10.1152\/japplphysiol.00835.2019.","journal-title":"J Appl Physiol"},{"key":"2547_CR24","doi-asserted-by":"publisher","first-page":"833","DOI":"10.1016\/j.jbiomech.2004.04.031","volume":"38","author":"A Arampatzis","year":"2005","unstructured":"Arampatzis A, Stafilidis S, DeMonte G, et al. Strain and elongation of the human gastrocnemius tendon and aponeurosis during maximal plantarflexion effort. J Biomech. 2005;38:833\u201341. https:\/\/doi.org\/10.1016\/j.jbiomech.2004.04.031.","journal-title":"J Biomech"},{"key":"2547_CR25","doi-asserted-by":"publisher","first-page":"93","DOI":"10.1016\/j.medengphy.2014.11.003","volume":"37","author":"EC Clarke","year":"2015","unstructured":"Clarke EC, Martin JH, d\u2019Entremont AG, et al. A non-invasive, 3D, dynamic MRI method for measuring muscle moment arms in vivo: demonstration in the human ankle joint and Achilles tendon. Med Eng Phys. 2015;37:93\u20139. https:\/\/doi.org\/10.1016\/j.medengphy.2014.11.003.","journal-title":"Med Eng Phys"},{"key":"2547_CR26","doi-asserted-by":"publisher","first-page":"133","DOI":"10.1152\/japplphysiol.00849.2014","volume":"118","author":"OR Seynnes","year":"2015","unstructured":"Seynnes OR, Bojsen-M\u00f8ller J, Albracht K, et al. Ultrasound-based testing of tendon mechanical properties: a critical evaluation. J Appl Physiol. 2015;118:133\u201341. https:\/\/doi.org\/10.1152\/japplphysiol.00849.2014.","journal-title":"J Appl Physiol"},{"key":"2547_CR27","volume-title":"Statistical power analysis for the behavioral sciences","author":"J Cohen","year":"1988","unstructured":"Cohen J. Statistical power analysis for the behavioral sciences. Second edition. Hillsdale, NJ: Lawrence Erlbaum Associates, Publishers; 1988.","edition":"Second edition"},{"key":"2547_CR28","doi-asserted-by":"publisher","first-page":"2394","DOI":"10.1016\/j.jbiomech.2013.07.031","volume":"46","author":"TC Pataky","year":"2013","unstructured":"Pataky TC, Robinson MA, Vanrenterghem J. Vector field statistical analysis of kinematic and force trajectories. J Biomech. 2013;46:2394\u2013401. https:\/\/doi.org\/10.1016\/j.jbiomech.2013.07.031.","journal-title":"J Biomech"},{"key":"2547_CR29","first-page":"359","volume":"17","author":"FE Zajac","year":"1989","unstructured":"Zajac FE. Muscle and tendon: properties, models, scaling, and application to biomechanics and motor control. Crit Rev Biomed Eng. 1989;17:359\u2013411.","journal-title":"Crit Rev Biomed Eng"},{"key":"2547_CR30","doi-asserted-by":"publisher","first-page":"197","DOI":"10.1242\/jeb.123158","volume":"219","author":"J Duchateau","year":"2016","unstructured":"Duchateau J, Enoka RM. Neural control of lengthening contractions. J Exp Biol. 2016;219:197\u2013204. https:\/\/doi.org\/10.1242\/jeb.123158.","journal-title":"J Exp Biol"},{"key":"2547_CR31","doi-asserted-by":"publisher","first-page":"839","DOI":"10.1007\/s11357-013-9605-0","volume":"36","author":"BJ Thompson","year":"2014","unstructured":"Thompson BJ, Ryan ED, Herda TJ, et al. Age-related changes in the rate of muscle activation and rapid force characteristics. Age. 2014;36:839\u201349. https:\/\/doi.org\/10.1007\/s11357-013-9605-0.","journal-title":"Age"},{"key":"2547_CR32","doi-asserted-by":"publisher","first-page":"549","DOI":"10.1249\/MSS.0000000000002179","volume":"52","author":"V Rozand","year":"2020","unstructured":"Rozand V, Sundberg CW, Hunter SK, Smith AE. Age-related deficits in voluntary activation: a systematic review and meta-analysis. Med Sci Sports Exerc. 2020;52:549\u201360. https:\/\/doi.org\/10.1249\/MSS.0000000000002179.","journal-title":"Med Sci Sports Exerc"},{"key":"2547_CR33","doi-asserted-by":"publisher","first-page":"157","DOI":"10.1016\/j.jbiomech.2005.10.035","volume":"40","author":"GA Lichtwark","year":"2007","unstructured":"Lichtwark GA, Bougoulias K, Wilson AM. Muscle fascicle and series elastic element length changes along the length of the human gastrocnemius during walking and running. J Biomech. 2007;40:157\u201364. https:\/\/doi.org\/10.1016\/j.jbiomech.2005.10.035.","journal-title":"J Biomech"},{"key":"2547_CR34","doi-asserted-by":"publisher","first-page":"887","DOI":"10.1007\/s00421-011-2032-y","volume":"112","author":"J Sakuma","year":"2012","unstructured":"Sakuma J, Kanehisa H, Yanai T, et al. Fascicle\u2013tendon behavior of the gastrocnemius and soleus muscles during ankle bending exercise at different movement frequencies. Eur J Appl Physiol. 2012;112:887\u201398. https:\/\/doi.org\/10.1007\/s00421-011-2032-y.","journal-title":"Eur J Appl Physiol"},{"key":"2547_CR35","doi-asserted-by":"publisher","first-page":"1581","DOI":"10.1152\/jappl.1997.83.5.1581","volume":"83","author":"RS Lindle","year":"1997","unstructured":"Lindle RS, Metter EJ, Lynch NA, et al. Age and gender comparisons of muscle strength in 654 women and men aged 20\u201393 yr. J Appl Physiol. 1997;83:1581\u20137. https:\/\/doi.org\/10.1152\/jappl.1997.83.5.1581.","journal-title":"J Appl Physiol"},{"key":"2547_CR36","doi-asserted-by":"publisher","first-page":"1537","DOI":"10.1152\/japplphysiol.00782.2012","volume":"113","author":"L Stenroth","year":"2012","unstructured":"Stenroth L, Peltonen J, Cronin NJ, et al. Age-related differences in Achilles tendon properties and triceps surae muscle architecture in vivo. J Appl Physiol. 2012;113:1537\u201344. https:\/\/doi.org\/10.1152\/japplphysiol.00782.2012.","journal-title":"J Appl Physiol"},{"key":"2547_CR37","doi-asserted-by":"publisher","first-page":"375","DOI":"10.1016\/j.jelekin.2009.08.005","volume":"20","author":"D Staudenmann","year":"2010","unstructured":"Staudenmann D, Roeleveld K, Stegeman DF, Van Die\u00ebn JH. Methodological aspects of SEMG recordings for force estimation \u2013 a tutorial and review. J Electromyogr Kinesiol. 2010;20:375\u201387. https:\/\/doi.org\/10.1016\/j.jelekin.2009.08.005.","journal-title":"J Electromyogr Kinesiol"},{"key":"2547_CR38","doi-asserted-by":"publisher","unstructured":"J. M. Dick T, Tucker K, Hug F, et al (2024) Consensus for experimental design in electromyography (CEDE) project: application of EMG to estimate muscle force. J Electromyogr Kinesiol 79:102910. https:\/\/doi.org\/10.1016\/j.jelekin.2024.102910.","DOI":"10.1016\/j.jelekin.2024.102910"},{"key":"2547_CR39","doi-asserted-by":"publisher","first-page":"128","DOI":"10.1016\/j.jelekin.2019.07.008","volume":"48","author":"M Besomi","year":"2019","unstructured":"Besomi M, Hodges PW, Van Die\u00ebn J, et al. Consensus for experimental design in electromyography (CEDE) project: electrode selection matrix. J Electromyogr Kinesiol. 2019;48:128\u201344. https:\/\/doi.org\/10.1016\/j.jelekin.2019.07.008.","journal-title":"J Electromyogr Kinesiol"},{"key":"2547_CR40","doi-asserted-by":"publisher","first-page":"3907","DOI":"10.1242\/jeb.01830","volume":"208","author":"K Karamanidis","year":"2005","unstructured":"Karamanidis K, Arampatzis A. Mechanical and morphological properties of different muscle\u2013tendon units in the lower extremity and running mechanics: effect of aging and physical activity. J Exp Biol. 2005;208:3907\u201323. https:\/\/doi.org\/10.1242\/jeb.01830.","journal-title":"J Exp Biol"},{"key":"2547_CR41","first-page":"145","volume":"10","author":"T Abe","year":"2011","unstructured":"Abe T, Sakamaki M, Yasuda T, et al. Age-related, site-specific muscle loss in 1507 Japanese men and women aged 20 to 95 years. J Sports Sci Med. 2011;10:145\u201350.","journal-title":"J Sports Sci Med"},{"key":"2547_CR42","doi-asserted-by":"publisher","first-page":"e1232","DOI":"10.1016\/S2214-109X(24)00150-5","volume":"12","author":"T Strain","year":"2024","unstructured":"Strain T, Flaxman S, Guthold R, et al. National, regional, and global trends in insufficient physical activity among adults from 2000 to 2022: a pooled analysis of 507 population-based surveys with 5\u00b77 million participants. Lancet Glob Health. 2024;12:e1232\u201343. https:\/\/doi.org\/10.1016\/S2214-109X(24)00150-5.","journal-title":"Lancet Glob Health"},{"key":"2547_CR43","doi-asserted-by":"publisher","DOI":"10.1038\/s41598-025-03070-z","volume":"15","author":"W Rong","year":"2025","unstructured":"Rong W, Geok SK, Samsudin S, et al. Effects of strength training on neuromuscular adaptations in the development of maximal strength: a systematic review and meta-analysis. Sci Rep. 2025;15:19315. https:\/\/doi.org\/10.1038\/s41598-025-03070-z.","journal-title":"Sci Rep"},{"key":"2547_CR44","doi-asserted-by":"publisher","unstructured":"Van Every DW, Lees MJ, Wilson B, et al (2025) Load-induced human skeletal muscle hypertrophy: mechanisms, myths, and misconceptions. J Sport Health Sci 101104. https:\/\/doi.org\/10.1016\/j.jshs.2025.101104.","DOI":"10.1016\/j.jshs.2025.101104"},{"key":"2547_CR45","doi-asserted-by":"publisher","first-page":"2405","DOI":"10.1007\/s40279-022-01695-y","volume":"52","author":"SL Lazarczuk","year":"2022","unstructured":"Lazarczuk SL, Maniar N, Opar DA, et al. Mechanical, material and morphological adaptations of healthy lower limb tendons to mechanical loading: a systematic review and meta-analysis. Sports Med. 2022;52:2405\u201329. https:\/\/doi.org\/10.1007\/s40279-022-01695-y.","journal-title":"Sports Med"},{"key":"2547_CR46","doi-asserted-by":"publisher","DOI":"10.1186\/s40798-015-0009-9","volume":"1","author":"S Bohm","year":"2015","unstructured":"Bohm S, Mersmann F, Arampatzis A. Human tendon adaptation in response to mechanical loading: a systematic review and meta-analysis of exercise intervention studies on healthy adults. Sports Med - Open. 2015;1:7. https:\/\/doi.org\/10.1186\/s40798-015-0009-9.","journal-title":"Sports Med - Open"},{"key":"2547_CR47","doi-asserted-by":"publisher","DOI":"10.1093\/gerona\/glaf048","volume":"80","author":"E Luneau","year":"2025","unstructured":"Luneau E, Rozand V, Millet GY. Are maximal power and maximal aerobic capacity in older and very old adults dependent on their level of physical activity? J Gerontol A Biol Sci Med Sci. 2025;80:glaf048. https:\/\/doi.org\/10.1093\/gerona\/glaf048.","journal-title":"J Gerontol A Biol Sci Med Sci"},{"key":"2547_CR48","doi-asserted-by":"publisher","first-page":"549","DOI":"10.2147\/CIA.S44112","volume":"8","author":"Z Milanovi\u0107","year":"2013","unstructured":"Milanovi\u0107 Z, Panteli\u0107 S, Trajkovi\u0107 N, et al. Age-related decrease in physical activity and functional fitness among elderly men and women. Clin Interv Aging. 2013;8:549\u201356. https:\/\/doi.org\/10.2147\/CIA.S44112.","journal-title":"Clin Interv Aging"},{"key":"2547_CR49","doi-asserted-by":"publisher","first-page":"419","DOI":"10.1123\/jpah.6.4.419","volume":"6","author":"M Ayabe","year":"2009","unstructured":"Ayabe M, Yahiro T, Yoshioka M, et al. Objectively measured age-related changes in the intensity distribution of daily physical activity in adults. J Phys Act Health. 2009;6:419\u201325. https:\/\/doi.org\/10.1123\/jpah.6.4.419.","journal-title":"J Phys Act Health"},{"key":"2547_CR50","doi-asserted-by":"publisher","DOI":"10.3389\/fphys.2018.00150","volume":"9","author":"C McCrum","year":"2018","unstructured":"McCrum C, Leow P, Epro G, et al. Alterations in leg extensor muscle-tendon unit biomechanical properties with ageing and mechanical loading. Front Physiol. 2018;9:150. https:\/\/doi.org\/10.3389\/fphys.2018.00150.","journal-title":"Front Physiol"}],"container-title":["GeroScience"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s11357-026-02547-7.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s11357-026-02547-7","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s11357-026-02547-7.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T01:29:05Z","timestamp":1790558945000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s11357-026-02547-7"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,9,28]]},"references-count":50,"alternative-id":["2547"],"URL":"https:\/\/doi.org\/10.1007\/s11357-026-02547-7","relation":{},"ISSN":["2509-2723"],"issn-type":[{"value":"2509-2723","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,9,28]]},"assertion":[{"value":"24 April 2026","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"10 September 2026","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"28 September 2026","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"The authors declare no competing interests.","order":1,"name":"Ethics","label":"Conflict of interest","group":{"name":"EthicsHeading","label":"Declarations"}}]}}