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Evaluation of gait characteristics in subjects with locomotive syndrome using wearable gait sensors

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Title: Evaluation of gait characteristics in subjects with locomotive syndrome using wearable gait sensors
Authors: Saito, Yuki Browse this author
Ishida, Tomoya Browse this author
Kataoka, Yoshiaki Browse this author
Takeda, Ryo Browse this author →KAKEN DB
Tadano, Shigeru Browse this author →KAKEN DB
Suzuki, Teppei Browse this author
Nakamura, Kentaro Browse this author
Nakata, Akimi Browse this author
Osuka, Satoshi Browse this author →KAKEN DB
Yamada, Satoshi Browse this author →KAKEN DB
Samukawa, Mina Browse this author →KAKEN DB
Tohyama, Harukazu Browse this author →KAKEN DB
Keywords: Locomotive syndrome
Older adults
Gait analysis
Motion analysis
Spatiotemporal parameters
Wearable sensor
Issue Date: 14-May-2022
Publisher: BioMed Central
Journal Title: BMC musculoskeletal disorders
Volume: 23
Issue: 1
Start Page: 457
Publisher DOI: 10.1186/s12891-022-05411-9
Abstract: Background Individuals with locomotive syndrome (LS) require nursing care services owing to problems with locomotion and the musculoskeletal system. Individuals with LS generally have a reduced walking speed compared with those without LS. However, differences in lower-limb kinematics and gait between individuals with and without LS are not fully understood. This study aimed to clarify the characteristics of the gait kinematics of individuals with LS using wearable sensors. Methods We assessed 125 participants (mean age 73.0 +/- 6.7 years) who used a public health promotion facility. Based on the 25-question Geriatric Locomotive Function Scale (GLFS-25), these participants were grouped into the non-LS (GLFS-25 < 7), LS-stage 1 (GLFS-25 7-16), and LS-stage 2 (GLFS-25 >= 16) groups (larger GLFS-25 scores indicate worse locomotive ability). Spatiotemporal parameters and lower-limb kinematics during the 10-m walk test were analyzed by the H-Gait system, which is a motion analysis system that was developed by the authors and is based on seven inertial sensors. The peak joint angles during the stance and swing phases, as well as the gait speed, cadence, and step length were compared among all groups. Results There were 69 participants in the non-LS group, 33 in the LS-stage 1 group, and 23 in the LS-stage 2 group. Compared with the non-LS group, the LS-stage 2 group showed significantly smaller peak angles of hip extension (9.5 +/- 5.3 degrees vs 4.2 +/- 8.2 degrees, P = 0.002), hip flexion (34.2 +/- 8.8 degrees vs 28.5 +/- 9.5 degrees, P = 0.026), and knee flexion (65.2 +/- 18.7 degrees vs 50.6 +/- 18.5 degrees, P = 0.005). The LS-stage 1 and LS-stage 2 groups had a significantly slower mean gait speed than the non-LS group (non-LS: 1.3 +/- 0.2 m/s, LS-stage 1: 1.2 +/- 0.2 m/s, LS-stage 2: 1.1 +/- 0.2 m/s, P < 0.001). Conclusions The LS-stage 2 group showed significantly different lower-limb kinematics compared with the non-LS group, including smaller peak angles of hip extension, hip flexion, and knee flexion. It would be useful to assess and improve these small peak joint angles during gait for individuals classified as LS-stage 2.
Type: article
Appears in Collections:保健科学院・保健科学研究院 (Graduate School of Health Sciences / Faculty of Health Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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