Quantitative evaluation of abnormal finger movements in myelopathy hand during the grip and release test using gyro sensors
Previous studies have reported qualitative characteristics of myelopathy hand, but few studies have reported quantitative kinematic parameters of this condition. Our purpose of this study was to quantitatively evaluate the abnormal finger movements in patients with cervical compressive myelopathy (C...
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| creator | Date, Shota Nakanishi, Kazuyoshi Fujiwara, Yasushi Yamada, Kiyotaka Kamei, Naosuke Kurumadani, Hiroshi Yoshimura, Manabu Ueda, Akio Ishii, Yosuke Ohta, Ryo Kotaka, Shinji Tsuchikawa, Yuji Nakamae, Toshio Ishikawa, Masakazu Hirao, Ken Fujimoto, Yoshinori Adachi, Nobuo Sunagawa, Toru |
| description | Previous studies have reported qualitative characteristics of myelopathy hand, but few studies have reported quantitative kinematic parameters of this condition. Our purpose of this study was to quantitatively evaluate the abnormal finger movements in patients with cervical compressive myelopathy (CCM) (termed myelopathy hand) and to understand the characteristics of myelopathy hand during the grip and release test (GRT) using gyro sensors. Sixty patients with CCM (severe: n = 30; mild-to-moderate: n = 30) and sixty healthy adults (age-matched control: n = 30; young control: n = 30) were included in this study. All participants performed the GRT. The index and little fingers’ and the wrist’s movements during the GRT were recorded using three gyro sensors. The number of cycles, switching time-delay, time per cycle, and peak angular velocity were calculated and compared between groups. Patients with severe CCM had the lowest number of cycles and longest switching time-delays, followed by patients with mild-to-moderate CCM, the age-matched control group, and the young control group. The time per cycle and the peak angular velocities of fingers in participants with severe CCM were significantly lower than those in participants with mild-to-moderate CCM; however, there were no significant differences between the control groups. The peak angular velocities of fingers were significantly lower during extension motions than during flexion motions in participants with CCM. Participants with CCM have lower peak angular velocities during finger movement. Finger extension also is impaired in participants with CCM. Abnormal finger movements and the severity of myelopathy in participants with CCM can be assessed using gyro sensors. |
| doi_str_mv | 10.1371/journal.pone.0258808 |
| format | Article |
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Our purpose of this study was to quantitatively evaluate the abnormal finger movements in patients with cervical compressive myelopathy (CCM) (termed myelopathy hand) and to understand the characteristics of myelopathy hand during the grip and release test (GRT) using gyro sensors. Sixty patients with CCM (severe: n = 30; mild-to-moderate: n = 30) and sixty healthy adults (age-matched control: n = 30; young control: n = 30) were included in this study. All participants performed the GRT. The index and little fingers’ and the wrist’s movements during the GRT were recorded using three gyro sensors. The number of cycles, switching time-delay, time per cycle, and peak angular velocity were calculated and compared between groups. Patients with severe CCM had the lowest number of cycles and longest switching time-delays, followed by patients with mild-to-moderate CCM, the age-matched control group, and the young control group. The time per cycle and the peak angular velocities of fingers in participants with severe CCM were significantly lower than those in participants with mild-to-moderate CCM; however, there were no significant differences between the control groups. The peak angular velocities of fingers were significantly lower during extension motions than during flexion motions in participants with CCM. Participants with CCM have lower peak angular velocities during finger movement. Finger extension also is impaired in participants with CCM. Abnormal finger movements and the severity of myelopathy in participants with CCM can be assessed using gyro sensors.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0258808</identifier><identifier>PMID: 34669751</identifier><language>eng</language><publisher>San Francisco: Public Library of Science</publisher><subject>Age ; Angular velocity ; Biology and Life Sciences ; Bone surgery ; Central nervous system diseases ; Data analysis ; Evaluation ; Finger ; Fingers ; Grip strength ; Hand ; Hand (anatomy) ; Health sciences ; Laboratories ; Magnetic resonance imaging ; Medicine and Health Sciences ; Methods ; Muscle strength dynamometry ; Orthopedics ; Physical Sciences ; Physiological aspects ; Qualitative analysis ; Quantitative analysis ; Research and Analysis Methods ; Sensors ; Spinal cord ; Switching ; Velocity ; Wrist</subject><ispartof>PloS one, 2021-10, Vol.16 (10), p.e0258808-e0258808</ispartof><rights>COPYRIGHT 2021 Public Library of Science</rights><rights>2021 Date et al. 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Our purpose of this study was to quantitatively evaluate the abnormal finger movements in patients with cervical compressive myelopathy (CCM) (termed myelopathy hand) and to understand the characteristics of myelopathy hand during the grip and release test (GRT) using gyro sensors. Sixty patients with CCM (severe: n = 30; mild-to-moderate: n = 30) and sixty healthy adults (age-matched control: n = 30; young control: n = 30) were included in this study. All participants performed the GRT. The index and little fingers’ and the wrist’s movements during the GRT were recorded using three gyro sensors. The number of cycles, switching time-delay, time per cycle, and peak angular velocity were calculated and compared between groups. Patients with severe CCM had the lowest number of cycles and longest switching time-delays, followed by patients with mild-to-moderate CCM, the age-matched control group, and the young control group. The time per cycle and the peak angular velocities of fingers in participants with severe CCM were significantly lower than those in participants with mild-to-moderate CCM; however, there were no significant differences between the control groups. The peak angular velocities of fingers were significantly lower during extension motions than during flexion motions in participants with CCM. Participants with CCM have lower peak angular velocities during finger movement. Finger extension also is impaired in participants with CCM. Abnormal finger movements and the severity of myelopathy in participants with CCM can be assessed using gyro sensors.</description><subject>Age</subject><subject>Angular velocity</subject><subject>Biology and Life Sciences</subject><subject>Bone surgery</subject><subject>Central nervous system diseases</subject><subject>Data analysis</subject><subject>Evaluation</subject><subject>Finger</subject><subject>Fingers</subject><subject>Grip strength</subject><subject>Hand</subject><subject>Hand (anatomy)</subject><subject>Health sciences</subject><subject>Laboratories</subject><subject>Magnetic resonance imaging</subject><subject>Medicine and Health Sciences</subject><subject>Methods</subject><subject>Muscle strength dynamometry</subject><subject>Orthopedics</subject><subject>Physical Sciences</subject><subject>Physiological aspects</subject><subject>Qualitative analysis</subject><subject>Quantitative analysis</subject><subject>Research and Analysis 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evaluation of abnormal finger movements in myelopathy hand during the grip and release test using gyro sensors</title><author>Date, Shota ; Nakanishi, Kazuyoshi ; Fujiwara, Yasushi ; Yamada, Kiyotaka ; Kamei, Naosuke ; Kurumadani, Hiroshi ; Yoshimura, Manabu ; Ueda, Akio ; Ishii, Yosuke ; Ohta, Ryo ; Kotaka, Shinji ; Tsuchikawa, Yuji ; Nakamae, Toshio ; Ishikawa, Masakazu ; Hirao, Ken ; Fujimoto, Yoshinori ; Adachi, Nobuo ; Sunagawa, Toru</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c735t-2746702e76b61affc52b7447435aea915fbded848501457d9535515c69ab84ca3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Age</topic><topic>Angular velocity</topic><topic>Biology and Life Sciences</topic><topic>Bone surgery</topic><topic>Central nervous system diseases</topic><topic>Data analysis</topic><topic>Evaluation</topic><topic>Finger</topic><topic>Fingers</topic><topic>Grip 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one</jtitle><date>2021-10-20</date><risdate>2021</risdate><volume>16</volume><issue>10</issue><spage>e0258808</spage><epage>e0258808</epage><pages>e0258808-e0258808</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Previous studies have reported qualitative characteristics of myelopathy hand, but few studies have reported quantitative kinematic parameters of this condition. Our purpose of this study was to quantitatively evaluate the abnormal finger movements in patients with cervical compressive myelopathy (CCM) (termed myelopathy hand) and to understand the characteristics of myelopathy hand during the grip and release test (GRT) using gyro sensors. Sixty patients with CCM (severe: n = 30; mild-to-moderate: n = 30) and sixty healthy adults (age-matched control: n = 30; young control: n = 30) were included in this study. All participants performed the GRT. The index and little fingers’ and the wrist’s movements during the GRT were recorded using three gyro sensors. The number of cycles, switching time-delay, time per cycle, and peak angular velocity were calculated and compared between groups. Patients with severe CCM had the lowest number of cycles and longest switching time-delays, followed by patients with mild-to-moderate CCM, the age-matched control group, and the young control group. The time per cycle and the peak angular velocities of fingers in participants with severe CCM were significantly lower than those in participants with mild-to-moderate CCM; however, there were no significant differences between the control groups. The peak angular velocities of fingers were significantly lower during extension motions than during flexion motions in participants with CCM. Participants with CCM have lower peak angular velocities during finger movement. Finger extension also is impaired in participants with CCM. Abnormal finger movements and the severity of myelopathy in participants with CCM can be assessed using gyro sensors.</abstract><cop>San Francisco</cop><pub>Public Library of Science</pub><pmid>34669751</pmid><doi>10.1371/journal.pone.0258808</doi><tpages>e0258808</tpages><orcidid>https://orcid.org/0000-0002-6248-9329</orcidid><oa>free_for_read</oa></addata></record> |
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| source | DOAJ Directory of Open Access Journals; Public Library of Science (PLoS) Journals Open Access; EZB-FREE-00999 freely available EZB journals; PubMed Central; Free Full-Text Journals in Chemistry |
| subjects | Age Angular velocity Biology and Life Sciences Bone surgery Central nervous system diseases Data analysis Evaluation Finger Fingers Grip strength Hand Hand (anatomy) Health sciences Laboratories Magnetic resonance imaging Medicine and Health Sciences Methods Muscle strength dynamometry Orthopedics Physical Sciences Physiological aspects Qualitative analysis Quantitative analysis Research and Analysis Methods Sensors Spinal cord Switching Velocity Wrist |
| title | Quantitative evaluation of abnormal finger movements in myelopathy hand during the grip and release test using gyro sensors |
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