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  1. Article ; Online: Association between serum lipid levels and lower-extremity functions in older adults with and without Alzheimer's dementia in South Korea: A cross-sectional analysis.

    Kim, Soo-Jin / Kim, Hyeong-Dong

    Archives of gerontology and geriatrics

    2023  Volume 115, Page(s) 105116

    Abstract: Purpose: Older adults with Alzheimer's dementia (AD) experience lower-extremity dysfunction. High serum lipid levels are a risk factor for AD. We investigated the association between serum lipid levels and lower-extremity function in older individuals ... ...

    Abstract Purpose: Older adults with Alzheimer's dementia (AD) experience lower-extremity dysfunction. High serum lipid levels are a risk factor for AD. We investigated the association between serum lipid levels and lower-extremity function in older individuals with and without AD.
    Methods: In this cross-sectional study, we enrolled 33,185 senior citizens (aged 66 years) who participated in the National Geriatric Screening Program, sampled from the Korean National Health Insurance Service-National Health Screening Cohort Database, between 2009 and 2015. Participants were dichotomized into 1) an AD group comprising individuals with the International Classification of Diseases, Tenth Revision, diagnostic codes F00, F00.0-F00.9, and G30, G30.0-G30.9; and 2) a control group comprising individuals without AD. Differences in the Timed Up and Go and One-Leg Standing results among the three levels (low, moderate, and high) of total cholesterol (TC), triglycerides (TG), low-density lipoprotein cholesterol (LDL-C), and high-density lipoprotein cholesterol were evaluated between the groups. Logistic regression analysis was performed to estimate the odds of gait disorder considering clinical and lifestyle variables.
    Results: In participants with low LDL-C levels, increased LDL-C levels correlated with higher gait speed. In the AD group, balancing time with eyes open (BT-EO) was inversely correlated with TG levels in participants with low TG levels. In the control group, BT-EO was negatively correlated with TC levels in participants with low TC levels.
    Conclusion: Serum lipid levels were significantly correlated with lower-extremity function in participants with and without AD but not with gait disorder in participants with AD.
    MeSH term(s) Humans ; Aged ; Alzheimer Disease/diagnosis ; Cross-Sectional Studies ; Cholesterol, LDL ; Triglycerides ; Cholesterol, HDL ; Republic of Korea/epidemiology ; Extremities
    Chemical Substances Cholesterol, LDL ; Triglycerides ; Cholesterol, HDL
    Language English
    Publishing date 2023-07-04
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 603162-6
    ISSN 1872-6976 ; 0167-4943
    ISSN (online) 1872-6976
    ISSN 0167-4943
    DOI 10.1016/j.archger.2023.105116
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Effects of Taekkyon-based exercise program on balance, lower extremity strength, and gait parameters in community-dwelling older women: Randomized controlled trial.

    Kim, Chang Yong / Jeong, Hye Won / Baek, Chang Yoon / Kim, Suhng Wook / Kim, Hyeong Dong

    Medicine

    2024  Volume 103, Issue 11, Page(s) e37463

    Abstract: Background: As individuals age, they experience a decline in muscle strength and balance, leading to diminished functional capacity and an increased risk of falls. The purpose of the current study was to investigate the effects of the Taekkyon-based ... ...

    Abstract Background: As individuals age, they experience a decline in muscle strength and balance, leading to diminished functional capacity and an increased risk of falls. The purpose of the current study was to investigate the effects of the Taekkyon-based exercise program on balance, muscle strength, and gait ability in women aged over 65-year-old residing in the local community.
    Methods: Forty-eight subjects were randomly allocated into the Taekkyon-based exercise program as an experimental group (EG = 25; mean age: 71.68 ± 3.26) or a fall prevention program as a control group (CG = 23; mean age: 73.65 ± 5.88). EG participants received 1-hour Taekkyon exercise sessions twice a week for 12 consecutive weeks. CG participants received a typical fall prevention program. The measurements in each group included assessments of balance levels (the timed up-and-go test, one-leg stance, and functional reach test), lower extremity strength (the 5-chair stand test and 30-second chair stand test), and gait parameters (cadence, step length, step width, stride length, stride time, and gait velocity) before and after the intervention.
    Results: After the intervention, balance (timed up-and-go test, one-leg stance, and functional reach test), lower extremity strength (5-chair stand test and 30-second chair stand test), and gait parameters (cadence, stride time, and gait velocity) showed a significant improvement in EG participants compared to CG participants (P < .05). Compared to the normal value of balance ability and strength of elderly women over 65 years of age, most outcomes were greater than average normal values for those receiving Taekkyon exercise.
    Conclusion: Taekkyon-based exercise program was more effective in improving balance, lower extremity strength, and gait capacity than the usual fall prevention program in elderly women over 65 years of age. Its effects can approach normal values for women in this age group. The 12-week Taekkyon-based exercise program could be useful as part of a fall prevention program to elderly people.
    MeSH term(s) Aged ; Humans ; Female ; Exercise Therapy ; Independent Living ; Postural Balance/physiology ; Gait/physiology ; Muscle Strength/physiology ; Accidental Falls/prevention & control ; Lower Extremity
    Language English
    Publishing date 2024-03-15
    Publishing country United States
    Document type Randomized Controlled Trial ; Journal Article
    ZDB-ID 80184-7
    ISSN 1536-5964 ; 0025-7974
    ISSN (online) 1536-5964
    ISSN 0025-7974
    DOI 10.1097/MD.0000000000037463
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  3. Article ; Online: Effect of robot-assisted stair climbing training as part of a rehabilitation program to improve pulmonary function, gait performance, balance, and exercise capacity in a patient after severe coronavirus disease 2019: a case report.

    Lee, June Sung / Baek, Chang Yoon / Kim, Hyeong Dong / Kim, Dong Yeong

    Physiotherapy theory and practice

    2023  , Page(s) 1–7

    Abstract: Background: Severe coronavirus disease 2019 (COVID-19) infection may decrease respiratory and physical functions.: Objective: To evaluate whether robot-assisted stair climbing training (RASCT) would improve pulmonary and physical functions in a ... ...

    Abstract Background: Severe coronavirus disease 2019 (COVID-19) infection may decrease respiratory and physical functions.
    Objective: To evaluate whether robot-assisted stair climbing training (RASCT) would improve pulmonary and physical functions in a patient post-severe COVID-19 infection.
    Case description: A 48-year-old woman who had experienced severe COVID-19 underwent a 6-week inpatient rehabilitation. She persistently exhibited impaired pulmonary and physical functions, including walking and balance impairment. We provided a 30-min outpatient RASCT biweekly for 6 weeks.
    Outcomes: After training, maximal inspiratory and maximal expiratory pressures improved from 81 and 74 cmH
    Conclusion: RASCT, as part of a rehabilitation plan, was feasible and effective for this patient after severe COVID-19 infection.
    Language English
    Publishing date 2023-02-08
    Publishing country England
    Document type Journal Article
    ZDB-ID 1045333-7
    ISSN 1532-5040 ; 0959-3985
    ISSN (online) 1532-5040
    ISSN 0959-3985
    DOI 10.1080/09593985.2023.2175188
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  4. Article ; Online: Effect of automaticity induced by treadmill walking on prefrontal cortex activation and dual-task performance in older adults.

    Baek, Chang Yoon / Kim, Hyeong Dong / Yoo, Dong Yup / Kang, Kyoung Yee / Woo Lee, Jang

    PloS one

    2023  Volume 18, Issue 8, Page(s) e0287252

    Abstract: As individuals age, they may experience a decline in gait automaticity, which requires increased attentional resources for the control of gait. This age-related decline in gait automaticity has been shown to contribute to higher prefrontal cortex (PFC) ... ...

    Abstract As individuals age, they may experience a decline in gait automaticity, which requires increased attentional resources for the control of gait. This age-related decline in gait automaticity has been shown to contribute to higher prefrontal cortex (PFC) activation and lower dual-task performance during dual-task walking in older adults. This study is to investigate the effect of treadmill walking on PFC activation and dual-task performance in older adults. A total of 20 older adults (mean age, 64.35 ± 2.74 years) and 20 younger adults (mean age, 30.00 ± 3.15 years) performed single- and dual-task walking in overground and treadmill conditions. A wearable functional near-infrared spectroscopy and gait analyzer were used to analyze PFC activation and dual-task performance, respectively. To determine the dual-task (gait and cognitive) performance, the dual-task cost (DTC) was calculated using the following formula: (single-task - dual-task)/single-task × 100. In both groups, dual-task treadmill walking led to reduced PFC activation and reduced DTC compared to dual-task overground walking. Furthermore, despite a higher DTC in gait variability, correct response, total response, response index and a higher error score in older adults than in younger adults during overground walking, there was no difference in treadmill walking. The difference in PFC activation between single- and dual-tasks was also observed only in overground walking. Performing dual-task walking on a treadmill compared to overground walking results in different levels of dual-task performance and PFC activity. Specifically, older adults are able to maintain similar levels of dual-task performance as younger adults while walking on a treadmill, with reduced PFC activation due to the automaticity induced by the treadmill. Therefore, older adults who exhibit low dual-task performance during overground walking may be able to improve their performance while walking on a treadmill with fewer attentional resources.
    MeSH term(s) Humans ; Aged ; Middle Aged ; Adult ; Task Performance and Analysis ; Walking/physiology ; Gait/physiology ; Prefrontal Cortex ; Exercise Test/methods ; Cognition/physiology
    Language English
    Publishing date 2023-08-03
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2267670-3
    ISSN 1932-6203 ; 1932-6203
    ISSN (online) 1932-6203
    ISSN 1932-6203
    DOI 10.1371/journal.pone.0287252
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  5. Article ; Online: Novel Multi-View RGB Sensor for Continuous Motion Analysis in Kinetic Chain Exercises: A Pilot Study for Simultaneous Validity and Intra-Test Reliability.

    Ahn, Junghoon / Choi, Hongtaek / Lee, Heehwa / Lee, Jinyoung / Kim, Hyeong-Dong

    Sensors (Basel, Switzerland)

    2023  Volume 23, Issue 24

    Abstract: As the number of musculoskeletal disorders caused by smartphone usage, sedentary lifestyles, and active sports activities increases, there is a growing demand for precise and accurate measurement and evaluation of issues such as incorrect compensation ... ...

    Abstract As the number of musculoskeletal disorders caused by smartphone usage, sedentary lifestyles, and active sports activities increases, there is a growing demand for precise and accurate measurement and evaluation of issues such as incorrect compensation patterns, asymmetrical posture, and limited joint operation range. Urgent development of new inspection equipment is necessary to address issues such as convenience, economic feasibility, and post-processing difficulties. Using 4DEYE
    MeSH term(s) Humans ; Range of Motion, Articular ; Pilot Projects ; Reproducibility of Results ; Movement ; Posture
    Language English
    Publishing date 2023-12-05
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2052857-7
    ISSN 1424-8220 ; 1424-8220
    ISSN (online) 1424-8220
    ISSN 1424-8220
    DOI 10.3390/s23249635
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  6. Article ; Online: Change in activity patterns in the prefrontal cortex in different phases during the dual-task walking in older adults.

    Baek, Chang Yoon / Kim, Hyeong Dong / Yoo, Dong Yup / Kang, Kyoung Yee / Lee, Jang Woo

    Journal of neuroengineering and rehabilitation

    2023  Volume 20, Issue 1, Page(s) 86

    Abstract: Background: Studies using functional near-infrared spectroscopy (fNIRS) have shown that dual-task walking leads to greater prefrontal cortex (PFC) activation compared to the single-task walking task. However, evidence on age-related changes in PFC ... ...

    Abstract Background: Studies using functional near-infrared spectroscopy (fNIRS) have shown that dual-task walking leads to greater prefrontal cortex (PFC) activation compared to the single-task walking task. However, evidence on age-related changes in PFC activity patterns is inconsistent. Therefore, this study aimed to explore the changes in the activation patterns of PFC subregions in different activation phases (early and late phases) during both single-task and dual-task walking in both older and younger adults.
    Methods: Overall, 20 older and 15 younger adults performed a walking task with and without a cognitive task. The activity of the PFC subregions in different phases (early and late phases) and task performance (gait and cognitive task) were evaluated using fNIRS and a gait analyzer.
    Results: The gait (slower speed and lower cadence) and cognitive performance (lower total response, correct response and accuracy rate, and higher error rate) of older adults was poorer during the dual task than that of younger adults. Right dorsolateral PFC activity in the early period in older adults was higher than that in younger adults, which declined precipitously during the late period. Conversely, the activity level of the right orbitofrontal cortex in the dual-task for older adults was lower than for younger adults.
    Conclusions: These altered PFC subregion-specific activation patterns in older adults would indicate a decline in dual-task performance with aging.
    MeSH term(s) Humans ; Aged ; Spectroscopy, Near-Infrared/methods ; Walking/physiology ; Prefrontal Cortex/diagnostic imaging ; Gait/physiology ; Frontal Lobe
    Language English
    Publishing date 2023-07-07
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2164377-5
    ISSN 1743-0003 ; 1743-0003
    ISSN (online) 1743-0003
    ISSN 1743-0003
    DOI 10.1186/s12984-023-01211-x
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  7. Article ; Online: Effect of crossed-education using a tilt table task-oriented approach in subjects with post-stroke hemiplegia: A randomized controlled trial.

    Kim, Chang-Yong / Kim, Hyeong-Dong

    Journal of rehabilitation medicine

    2018  Volume 50, Issue 9, Page(s) 792–799

    Abstract: Objective: To determine the effect of crossed-education, using task-related training on a tilt table, on upper extremity function and grip strength in subjects with post-stroke hemiplegia.: Design: Double-blind, randomized controlled, pilot study.: ...

    Abstract Objective: To determine the effect of crossed-education, using task-related training on a tilt table, on upper extremity function and grip strength in subjects with post-stroke hemiplegia.
    Design: Double-blind, randomized controlled, pilot study.
    Patients: A total of 45 patients between 6 and 12 months post-stroke.
    Methods: Subjects were randomly allocated to the control group, or experimental group I or II. All subjects received conventional upper limb training for 30 min, 3 times a week for 6 weeks, and training on 3 different tilt table applications for 20 min a day. The outcome was evaluated using the Fugl-Meyer scale, Wolf Motor Function Test, and measurements of grip strength using a hydraulic hand dynamometer, prior to and 6 weeks post-intervention.
    Results: There was a significantly greater increase, post-test, in the Fugl-Meyer scale (p = 0.003), maximal grip strength of the affected hand (p = 0.04), and grip strength, compared with the less-affected hand (p = 0.03), in subjects who underwent supplementary task-oriented training on a tilt table compared with those in the control group. There was also a significantly greater increase in Wolf Motor Function score (p = 0.001), post-test, in subjects who underwent task-oriented training on a tilt table compared with those in the 2 experimental groups.
    Conclusion: Compared with tilt table or conventional training alone, crossed-education using task-oriented training on a tilt table may result in improvements in arm function and maximal grip strength in persons with chronic hemiplegia post-stroke.
    MeSH term(s) Aged ; Double-Blind Method ; Female ; Hemiplegia/etiology ; Hemiplegia/physiopathology ; Humans ; Male ; Middle Aged ; Pilot Projects ; Stroke/complications ; Stroke Rehabilitation/methods ; Tilt-Table Test/methods
    Language English
    Publishing date 2018-09-13
    Publishing country Sweden
    Document type Journal Article ; Randomized Controlled Trial
    ZDB-ID 2039427-5
    ISSN 1651-2081 ; 1651-2235 ; 0891-060X ; 1650-1977
    ISSN (online) 1651-2081 ; 1651-2235
    ISSN 0891-060X ; 1650-1977
    DOI 10.2340/16501977-2376
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  8. Article ; Online: The effect of the degree of dual-task interference on gait, dual-task cost, cognitive ability, balance, and fall efficacy in people with stroke: A cross-sectional study.

    Baek, Chang Yoon / Yoon, Hyun Sik / Kim, Hyeong Dong / Kang, Kyoung Yee

    Medicine

    2021  Volume 100, Issue 24, Page(s) e26275

    Abstract: Abstract: This study was conducted to investigate the effects of the degree of dual-task (DT) interference on gait, dual-task cost (DTC), cognitive ability, balance, and fall efficacy in people with stroke.In this cross-sectional study, people with ... ...

    Abstract Abstract: This study was conducted to investigate the effects of the degree of dual-task (DT) interference on gait, dual-task cost (DTC), cognitive ability, balance, and fall efficacy in people with stroke.In this cross-sectional study, people with chronic stroke (N = 36) performed a DT gait assessment (gait and cognitive task). During the evaluation, DT interference in motor and cognition was evaluated simultaneously. Thus, the group with severe interference in both tasks (mutual interference) was compared with the group with mild interference in either.The main effects for the degree of motor interference were observed on gait performance, DTC in motor, time up and go, and trail-making test B. In the cognitive interference, the main effects were observed on correct response rate, DTC in cognition, time up and go, and trail-making test B. An interaction effect was observed in the trail-making test B.The degree of motor interference affected gait, balance ability, and executive function (EF), and the degree of cognitive interference influenced the correct response rate in the DT condition, balance ability, and EF. Furthermore, mutual interference led to a significant reduction in EF in people with stroke.
    MeSH term(s) Accidental Falls ; Aged ; Cognition/physiology ; Cross-Sectional Studies ; Disability Evaluation ; Female ; Gait/physiology ; Humans ; Independent Living ; Male ; Middle Aged ; Postural Balance/physiology ; Psychomotor Performance/physiology ; Stroke/physiopathology ; Stroke/psychology ; Stroke Rehabilitation ; Task Performance and Analysis
    Language English
    Publishing date 2021-07-05
    Publishing country United States
    Document type Journal Article ; Observational Study
    ZDB-ID 80184-7
    ISSN 1536-5964 ; 0025-7974
    ISSN (online) 1536-5964
    ISSN 0025-7974
    DOI 10.1097/MD.0000000000026275
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  9. Article ; Online: Effects of progressive muscle relaxation therapy with home exercise on pain, fatigue, and stress in subjects with fibromyalgia syndrome: A pilot randomized controlled trial.

    Yoo, Seoung-A / Kim, Chang-Yong / Kim, Hyeong-Dong / Kim, Suhng-Wook

    Journal of back and musculoskeletal rehabilitation

    2021  Volume 35, Issue 2, Page(s) 289–299

    Abstract: Background: Fibromyalgia is accompanied by symptoms of fatigue, depression, sleep disorders, and physical and mental stress [1]. It is a difficult-to-treat disorder because its exact causes are unknown.: Objective: This study aimed to examine the ... ...

    Abstract Background: Fibromyalgia is accompanied by symptoms of fatigue, depression, sleep disorders, and physical and mental stress [1]. It is a difficult-to-treat disorder because its exact causes are unknown.
    Objective: This study aimed to examine the effect of progressive muscle relaxation therapy (PMRT) on pain, fatigue, and stress in patients with fibromyalgia syndrome.
    Methods: Thirty-seven patients with fibromyalgia syndrome (age: 20-65 years) were randomly allocated to the PMRT group (n1= 18, 2 men and 16 women) or non-PMRT group (n2= 19, 2 men and 17 women). The PMRT group received PMRT twice a week for 8 weeks and the non-PMRT group received conventional physical therapies such as electro-stimulation and heat therapies during this period. The outcome was evaluated before and after 8 week sofintervention using the Visual Analogue Scale, Multidimensional Assessment of Fatigue, Perceived Stress Scale, and measurement of the blood pressure and pulse rate.
    Results: Pain and fatigue significantly decreased in the PMRT group compared with the non-PMRT group (both P< 0.001). In addition, perceived stress (P< 0.001), systolic blood pressure (P< 0.001), diastolic blood pressure (P< 0.05), and pulse rate (P< 0.001) significantly decreased in the PMRT group compared with the non-PMRT group.
    Conclusions: The findings indicate that progressive muscle relaxation therapy is a viable rehabilitative therapy for pain, fatigue, and stress symptoms in patients with fibromyalgia syndrome.
    MeSH term(s) Adult ; Aged ; Autogenic Training ; Exercise Therapy/methods ; Fatigue/diagnosis ; Fatigue/etiology ; Fatigue/therapy ; Female ; Fibromyalgia ; Humans ; Male ; Middle Aged ; Pain/etiology ; Pilot Projects ; Treatment Outcome ; Young Adult
    Language English
    Publishing date 2021-06-20
    Publishing country Netherlands
    Document type Journal Article ; Randomized Controlled Trial
    ZDB-ID 1184721-9
    ISSN 1878-6324 ; 1053-8127
    ISSN (online) 1878-6324
    ISSN 1053-8127
    DOI 10.3233/BMR-191703
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  10. Article ; Online: Immediate effects of static and proprioceptive neuromuscular facilitation stretching of hamstring muscles on straight leg raise, craniovertebral angle, and cervical spine range of motion in neck pain patients with hamstring tightness: A prospective randomized controlled trial.

    Jeong, Eun-Dong / Kim, Chang-Yong / Kim, Nack-Hwan / Kim, Hyeong-Dong

    Journal of back and musculoskeletal rehabilitation

    2021  Volume 35, Issue 2, Page(s) 429–438

    Abstract: Background: The cranio-cervical flexion exercise and sub-occipital muscle inhibition technique have been used to improve a forward head posture among neck pain patients with straight leg raise (SLR) limitation. However, little is known about the cranio- ... ...

    Abstract Background: The cranio-cervical flexion exercise and sub-occipital muscle inhibition technique have been used to improve a forward head posture among neck pain patients with straight leg raise (SLR) limitation. However, little is known about the cranio-vertebral angle (CVA) and cervical spine range of motion (CROM) after applying stretching methods to the hamstring muscle.
    Objective: To compare the immediate effects of static stretching and proprioceptive neuromuscular facilitation stretching on SLR, CVA, and CROM in neck pain patients with hamstring tightness.
    Methods: 64 subjects were randomly allocated to the static stretching (n1= 32) or proprioceptive neuromuscular facilitation (n2= 32) stretching group. The SLR test was performed to measure the hamstring muscle's flexibility and tightness between the two groups, with CROM and CVA also being measured. The paired t-test was used to compare all the variables within each group before and after the intervention. The independent t-test was used to compare the two groups before and after the stretching exercise.
    Results: There were no between-group effects for any outcome variables (P> 0.05). However, all SLR, CVA, and CROM outcome variables were significantly improved within-group (P< 0.05).
    Conclusions: There were no between-group effects for any outcome variable; however, SLR, CVA, and CROM significantly improved within-group after the one-session intervention in neck pain patients with hamstring tightness.
    MeSH term(s) Cervical Vertebrae ; Hamstring Muscles/physiology ; Humans ; Leg ; Muscle Stretching Exercises ; Neck Pain/therapy ; Prospective Studies ; Range of Motion, Articular/physiology
    Language English
    Publishing date 2021-06-20
    Publishing country Netherlands
    Document type Journal Article ; Randomized Controlled Trial
    ZDB-ID 1184721-9
    ISSN 1878-6324 ; 1053-8127
    ISSN (online) 1878-6324
    ISSN 1053-8127
    DOI 10.3233/BMR-201840
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