Ankle and midtarsal joint quasi-stiffness during walking with added mass
| العنوان: | Ankle and midtarsal joint quasi-stiffness during walking with added mass |
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| المؤلفون: | Jeffrey Patterson, Nikolaos Papachatzis, Kota Z. Takahashi, Andrew M. Kern, Dustin A. Bruening |
| المصدر: | PeerJ, Vol 7, p e7487 (2019) PeerJ |
| بيانات النشر: | PeerJ Inc., 2019. |
| سنة النشر: | 2019 |
| مصطلحات موضوعية: | musculoskeletal diseases, medicine.medical_specialty, Anatomy and Physiology, animal structures, Midtarsal joint, 030310 physiology, Metatarsophalangeal joints, lcsh:Medicine, General Biochemistry, Genetics and Molecular Biology, Arch, Barefoot, Ankle joint, 03 medical and health sciences, 0302 clinical medicine, Physical medicine and rehabilitation, medicine, Biomechanics, Joint (geology), 0303 health sciences, business.industry, Foot, General Neuroscience, lcsh:R, technology, industry, and agriculture, General Medicine, Kinesiology, musculoskeletal system, Windlass mechanism, body regions, medicine.anatomical_structure, Windlass, VEST, Ankle, General Agricultural and Biological Sciences, Range of motion, business, 030217 neurology & neurosurgery, Locomotion |
| الوصف: | Examination of how the ankle and midtarsal joints modulate stiffness in response to increased force demand will aid understanding of overall limb function and inform the development of bio-inspired assistive and robotic devices. The purpose of this study is to identify how ankle and midtarsal joint quasi-stiffness are affected by added body mass during over-ground walking. Healthy participants walked barefoot over-ground at 1.25 m/s wearing a weighted vest with 0%, 15% and 30% additional body mass. The effect of added mass was investigated on ankle and midtarsal joint range of motion (ROM), peak moment and quasi-stiffness. Joint quasi-stiffness was broken into two phases, dorsiflexion (DF) and plantarflexion (PF), representing approximately linear regions of their moment-angle curve. Added mass significantly increased ankle joint quasi-stiffness in DF (p < 0.001) and PF (p < 0.001), as well as midtarsal joint quasi-stiffness in DF (p < 0.006) and PF (p < 0.001). Notably, the midtarsal joint quasi-stiffness during DF was ~2.5 times higher than that of the ankle joint. The increase in midtarsal quasi-stiffness when walking with added mass could not be explained by the windlass mechanism, as the ROM of the metatarsophalangeal joints was not correlated with midtarsal joint quasi-stiffness (r = −0.142, p = 0.540). The likely source for the quasi-stiffness modulation may be from active foot muscles, however, future research is needed to confirm which anatomical structures (passive or active) contribute to the overall joint quasi-stiffness across locomotor tasks. |
| اللغة: | English |
| تدمد: | 2167-8359 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a76c5c38d76f551f609b66158e8a2b5 https://peerj.com/articles/7487.pdf |
| Rights: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....3a76c5c38d76f551f609b66158e8a2b5 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 21678359 |
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