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  1. Article: Relationship between postural control and respiratory movement during one-leg standing in healthy males.

    Aramaki, Yoshihiro

    Journal of physical therapy science

    2023  Volume 35, Issue 6, Page(s) 479–482

    Abstract: Purpose] The purpose of this study was to examine the relationship between postural control and respiratory movements after identifying the characteristics of respiratory movements in different postural holding tasks. [Participants and Methods] The ... ...

    Abstract [Purpose] The purpose of this study was to examine the relationship between postural control and respiratory movements after identifying the characteristics of respiratory movements in different postural holding tasks. [Participants and Methods] The total trajectory length was measured using a stabilometer (G-620; Anima Company, Tokyo, Japan), while respiratory movements were measured using an expiratory gas analyzer (PowerMetz; Anima Company, Tokyo, Japan) during closed-leg and one-leg standing. Respiratory movements were characterized as tidal volume (TV), respiratory rate (RR), minute volume (MV), and metabolic equivalents (METs). [Results] The total trajectory length, METs, RR, and MV were higher in one-leg standing than in closed-leg standing. The rate of change in the total trajectory length during one-leg standing was positively correlated with the rate of change in TV and negatively correlated with RR. [Conclusion] The results suggest that postural control of one-leg stance holding is associated with changes in respiratory motion.
    Language English
    Publishing date 2023-06-01
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 2038898-6
    ISSN 0915-5287
    ISSN 0915-5287
    DOI 10.1589/jpts.35.479
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Corrigendum: Neuromuscular Fatigue in Unimanual Handgrip Does Not Completely Affect Simultaneous Bimanual Handgrip.

    Hikosaka, Mikito / Aramaki, Yu

    Frontiers in human neuroscience

    2022  Volume 16, Page(s) 962181

    Abstract: This corrects the article DOI: 10.3389/fnhum.2021.763580.]. ...

    Abstract [This corrects the article DOI: 10.3389/fnhum.2021.763580.].
    Language English
    Publishing date 2022-07-06
    Publishing country Switzerland
    Document type Published Erratum
    ZDB-ID 2425477-0
    ISSN 1662-5161
    ISSN 1662-5161
    DOI 10.3389/fnhum.2022.962181
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Effects of Bilateral Transcranial Direct Current Stimulation on Simultaneous Bimanual Handgrip Strength.

    Hikosaka, Mikito / Aramaki, Yu

    Frontiers in human neuroscience

    2021  Volume 15, Page(s) 674851

    Abstract: Although the effects of transcranial direct current stimulation (tDCS) on contralateral unimanual movement have been well reported, its effects on coordinated multi-limb movements remain unclear. Because multi-limb coordination is often performed in ... ...

    Abstract Although the effects of transcranial direct current stimulation (tDCS) on contralateral unimanual movement have been well reported, its effects on coordinated multi-limb movements remain unclear. Because multi-limb coordination is often performed in daily activities and sports, clarifying the effects of tDCS on multi-limb coordination may have valuable implications. However, considering the neural crosstalk involved in bimanual movements, including the transcallosal pathway and ipsilateral motor pathway, the extent of tDCS-induced improvement may differ between unimanual and bimanual movement. We examined how tDCS affects simultaneous bimanual maximal voluntary contraction (MVC) by testing the effects of tDCS of the bilateral primary motor cortex (M1) on unimanual and bimanual handgrip strength. Twenty-one right-handed healthy adults underwent three bilateral tDCS protocols ("RaLc," with an anode on right M1 and a cathode on left M1, "RcLa," with an anode on left M1 and a cathode on right M1, and "Sham") in a randomized order. A 1.5 mA current was applied for 15 min during tDCS. Participants then performed maximal unimanual and bimanual handgrip tests. Bimanual handgrip force was higher in both hands in the RcLa condition than in the Sham condition. Similarly, unimanual handgrip force was higher in the RcLa condition than in the Sham condition. Stimulus responses were asymmetrical and were not observed in the RaLc condition. Our findings demonstrate that RcLa tDCS leads to neuromodulation that can produce greater unimanual and bimanual handgrip strength. This result provides basic evidence that tDCS may be useful in sports, particularly those involving bilateral coordination of upper limb movement.
    Language English
    Publishing date 2021-06-02
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2425477-0
    ISSN 1662-5161
    ISSN 1662-5161
    DOI 10.3389/fnhum.2021.674851
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Neuromuscular Fatigue in Unimanual Handgrip Does Not Completely Affect Simultaneous Bimanual Handgrip.

    Hikosaka, Mikito / Aramaki, Yu

    Frontiers in human neuroscience

    2021  Volume 15, Page(s) 763580

    Abstract: Simultaneous bimanual movements are not merely the sum of two unimanual movements. Here, we considered the unimanual/bimanual motor system as comprising three components: unimanual-specific, bimanual-specific, and overlapping (mobilized during both ... ...

    Abstract Simultaneous bimanual movements are not merely the sum of two unimanual movements. Here, we considered the unimanual/bimanual motor system as comprising three components: unimanual-specific, bimanual-specific, and overlapping (mobilized during both unimanual and bimanual movements). If the force-generating system controlling the same limb differs between unimanual and bimanual movements, unimanual exercise would be expected to fatigue the unimanual-specific and overlapping parts in the force-generating system but not the bimanual-specific part. Therefore, we predicted that the decrease in bimanual force generation induced by unimanual neuromuscular fatigue would be smaller than the decrease in unimanual force generation. Sixteen healthy right-handed adults performed unimanual and bimanual maximal handgrip measurements before and after a submaximal fatiguing handgrip task. In the fatigue task, participants were instructed to maintain unimanual handgrip force at 50% of their maximal handgrip force until the time to task failure. Each participant performed this task in a left-hand fatigue (LF) condition and a right-hand fatigue (RF) condition, in a random order. Although the degree of neuromuscular fatigue was comparable in both conditions, as expected, the decrease in bimanual right handgrip force was significantly smaller than those during unimanual right performance in the RF condition, but not in the LF condition. These results indicate that for the right-hand, neuromuscular fatigue in unimanual handgrip does not completely affect simultaneous bimanual handgrip. Regarding the underlying mechanisms, we propose that although neuromuscular fatigue caused by unimanual handgrip reduces the motor output of unimanual-specific and overlapping parts in the force-generating system, when simultaneous bimanual handgrip is performed, the overlapping part (which is partially fatigued) and the bimanual-specific part (which is not yet fatigued) generate motor output, thus decreasing the force reduction.
    Language English
    Publishing date 2021-11-02
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2425477-0
    ISSN 1662-5161
    ISSN 1662-5161
    DOI 10.3389/fnhum.2021.763580
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Analysis of the asymmetry of thoracic shape at rest: relationship with lateral thoracic deviation.

    Aramaki, Yoshihiro / Homma, Yuuki / Mamizu, Tetsuya / Kakizaki, Fujiyasu

    Journal of physical therapy science

    2022  Volume 34, Issue 6, Page(s) 454–458

    Abstract: Purpose] We analyzed the relationship between the degree of asymmetry in the shape of the thorax and postural changes in the frontal plane, and examined the mechanism that creates an asymmetry in the thoracic shape. [Participants and Methods] The ... ...

    Abstract [Purpose] We analyzed the relationship between the degree of asymmetry in the shape of the thorax and postural changes in the frontal plane, and examined the mechanism that creates an asymmetry in the thoracic shape. [Participants and Methods] The participants included 19 healthy young males. We calculated the thoracic volume and lateral deviation from the amount of displacement of reflective markers attached to the thoracic area using the Vicon MX 3D-analysis system. [Results] Left-right differences were shown in each area of the thorax, and positive and negative correlations were found with the amount of lateral deviation of the thorax, which captured postural changes in the frontal plane. [Conclusion] The results of this study suggest that postural changes in the frontal plane are factors involved in the mechanism of left-right asymmetry formation in the thoracic shape.
    Language English
    Publishing date 2022-06-06
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 2038898-6
    ISSN 0915-5287
    ISSN 0915-5287
    DOI 10.1589/jpts.34.454
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: The Association Between Ventricular Fibrillation and Serum Catecholamine Levels.

    Oshima, Kiyohiro / Sawada, Yusuke / Isshiki, Yuta / Ichikawa, Yumi / Fukushima, Kazunori / Aramaki, Yuto

    Cureus

    2023  Volume 15, Issue 8, Page(s) e43252

    Abstract: Background and objective Epinephrine (Ep) is the first choice as a vasoconstrictor in cardiopulmonary resuscitation (CPR) for patients with cardiopulmonary arrest (CPA); however, the Ep concentration in the serum of CPA patients is still unclear. The aim ...

    Abstract Background and objective Epinephrine (Ep) is the first choice as a vasoconstrictor in cardiopulmonary resuscitation (CPR) for patients with cardiopulmonary arrest (CPA); however, the Ep concentration in the serum of CPA patients is still unclear. The aim of this study was to evaluate the association between serum Ep levels and achieving the return of spontaneous circulation (ROSC) in out-of-hospital cardiac arrest (OHCA) patients with ventricular fibrillation (VF). Methods This was a prospective, observational clinical study involving OHCA patients with VF transferred to our hospital from July 2014 to July 2017. The measurement of serum catecholamines [Ep, norepinephrine (Nep), and dopamine (DOA)] and vasopressin [antidiuretic hormone (ADH)] levels was performed with blood samples obtained immediately upon patients' arrival at our hospital. Patients were classified into two groups: the ROSC(+) group and ROSC(-) group; the serum concentrations of catecholamines and ADH were compared between these two groups. Results The serum Ep and Nep levels were lower in the ROSC(+) group than those in the ROSC(-) group and the difference was statistically significant. On the other hand, no significant differences were found in serum DOA and ADH levels between the two groups. Conclusions The results of this study suggest that an increment in serum Ep levels does not promote achieving ROSC in OHCA patients with VF.
    Language English
    Publishing date 2023-08-10
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2747273-5
    ISSN 2168-8184
    ISSN 2168-8184
    DOI 10.7759/cureus.43252
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: Clinical Experience of Use of Kampo Medicine Shakuyakukanzoto for Muscle Spasms Caused by Tetanus.

    Oshima, Kiyohiro / Sawada, Yusuke / Isshiki, Yuta / Ichikawa, Yumi / Fukushima, Kazunori / Aramaki, Yuto

    Cureus

    2023  Volume 15, Issue 6, Page(s) e40612

    Abstract: Background Tetanus is an infectious disease caused ... ...

    Abstract Background Tetanus is an infectious disease caused by
    Language English
    Publishing date 2023-06-18
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2747273-5
    ISSN 2168-8184
    ISSN 2168-8184
    DOI 10.7759/cureus.40612
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Effects of the posterior pelvic tilt sitting posture on thoracic morphology and respiratory function.

    Aramaki, Yoshihiro / Kakizaki, Fujiyasu / Kawata, Shinichi / Omotehara, Takuya / Itoh, Masahiro

    Journal of physical therapy science

    2021  Volume 33, Issue 2, Page(s) 118–124

    Abstract: Purpose] We investigated how differences in pelvic angle in the posterior pelvic tilt sitting posture simultaneously affect the thoracic morphology and the respiratory function. [Participants and Methods] The participants were 18 healthy young males. We ...

    Abstract [Purpose] We investigated how differences in pelvic angle in the posterior pelvic tilt sitting posture simultaneously affect the thoracic morphology and the respiratory function. [Participants and Methods] The participants were 18 healthy young males. We positioned the pelvis at 0°, 10°, 20°, and 30° of posterior tilt, following which the thoracic expansion volume ratio, thoracic spine tilt angle, and respiratory function were measured. We calculated the thoracic volume and thoracic spine tilt angle by measuring the amount of displacement of reflective markers attached to the thoracic area using the Vicon MX 3D-analysis system. Respiratory function was measured by spirometry. [Results] The expansion volume ratio decreased significantly in response to 10-30° posterior pelvic tilt sitting at the mid-thorax and 30° posterior pelvic tilt sitting at the lowest thorax. The upper thoracic spine level showed a change in anterior tilt at 10-30° posterior pelvic tilt sitting, whereas the lower thoracic spine level showed a change in posterior tilt at 30° posterior pelvic tilt sitting. Respiratory function was significantly lower at 30° posterior pelvic tilt sitting than at 0° posterior pelvic tilt sitting. A positive correlation between thoracic expansion volume ratio and respiratory function was found at 30° posterior pelvic tilt sitting. [Conclusion] Changes in thoracic spine tilt angle due to posterior pelvic tilt sitting may restrict the expansion of thoracic motion during respiration, thereby affecting respiratory function.
    Language English
    Publishing date 2021-02-13
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 2038898-6
    ISSN 0915-5287
    ISSN 0915-5287
    DOI 10.1589/jpts.33.118
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article: Evaluation of injury threshold from the number of rib fracture for predicting pulmonary injuries in blunt chest trauma.

    Fukushima, Kazunori / Kambe, Masahiko / Aramaki, Yuto / Ichikawa, Yumi / Isshiki, Yuta / Nakajima, Jun / Sawada, Yusuke / Oshima, Kiyohiro

    Heliyon

    2023  Volume 9, Issue 4, Page(s) e15278

    Abstract: Background: Blunt chest trauma is a common presentation in emergency departments. The relationship between bone fractures and organ injuries has not been studied in detail. The purpose of this study was to examine the degree of external force ... ...

    Abstract Background: Blunt chest trauma is a common presentation in emergency departments. The relationship between bone fractures and organ injuries has not been studied in detail. The purpose of this study was to examine the degree of external force represented by the number of rib fractures that causes lung injury in blunt chest trauma.
    Patients and methods: This study was performed retrospectively using trauma patients who received medical examinations in a single university hospital emergency center between April 2015 and March 2020. We examined the association between the number of rib fractures and pulmonary damage using multivariable regression analysis and considered the relationship between rib fracture location and each type of lung injury.
    Results: A total of 317 patients were included. The mean age was 63.1 years, 65.0% were male, and traffic accidents were the most common mechanism of injury (55.8%). The number of mean rib fractures was 4.0, and the mean Injury Severity Score was 11.3. The number of rib fractures was associated with an increased risk of pulmonary injuries: pulmonary contusion (odds ratio [OR] 1.30, 95% confidence interval [CI] 1.14-1.48,
    Conclusion: The number of rib fractures was associated with an increased risk of pulmonary injuries. In addition, the type of pulmonary injury could be predicted from the number of rib fractures in blunt chest trauma.
    Language English
    Publishing date 2023-04-06
    Publishing country England
    Document type Journal Article
    ZDB-ID 2835763-2
    ISSN 2405-8440
    ISSN 2405-8440
    DOI 10.1016/j.heliyon.2023.e15278
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Traumatic brain injuries caused by knockout in Japanese amateur boxers: A questionnaire-based survey.

    Komatsu, Taiki / Umeshita, Shinsuke / Izumi, Shigeki / Ishibashi, Tsuyoshi / Sato, Yoshihiro / Aramaki, Yu / Nakayama, Haruo / Koyama, Yuzo

    Medicine

    2023  Volume 102, Issue 44, Page(s) e35810

    Abstract: The aim of the present study is to conduct a trauma and disability survey in amateur boxers and show the actual conditions of injuries based on the current situations. We have obtained 663 valid responses from male and female boxers. In the questionnaire ...

    Abstract The aim of the present study is to conduct a trauma and disability survey in amateur boxers and show the actual conditions of injuries based on the current situations. We have obtained 663 valid responses from male and female boxers. In the questionnaire survey who was carried out on a Web questionnaire form. The questions involve that Face Sheet (gender, height, weight, athletic experience, etc.) and prepared 10 questions about trauma and impairment, 7 questions with concussion or damage on head. and, set 11 self-evaluations, which the boxers assessed their boxing skills. The subjects include amateur boxers who are all high school students (15 years old) and retired boxers. We had analyzed relation between the skills and the injuries. And, main outcome was that make a measure to setting whether or not questionnaires have been knockout (KO) as a variable, we applied a method of multiple logistic regression analysis. Moreover, as for the group who got KO in the past, we have also applied multiple regression analysis by using stepwise regression to factors affecting numbers of symptoms. The number of hits they experienced was smaller in international tournament matches, and the odds rate for KO was 0.669. And, KO experience group was compared with non-KO experience group, and the factors influencing the number of severity symptoms were examined. As a result, 2 factors were selected what "Seriousness in practice" and "Fighting spirit in games". It might be possible that the relation between the experience of being KO and self-assessment of boxing performance.
    MeSH term(s) Humans ; Male ; Female ; Adolescent ; East Asian People ; Craniocerebral Trauma ; Brain Concussion ; Regression Analysis ; Surveys and Questionnaires ; Boxing/injuries
    Language English
    Publishing date 2023-11-06
    Publishing country United States
    Document type Journal Article
    ZDB-ID 80184-7
    ISSN 1536-5964 ; 0025-7974
    ISSN (online) 1536-5964
    ISSN 0025-7974
    DOI 10.1097/MD.0000000000035810
    Database MEDical Literature Analysis and Retrieval System OnLINE

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