{"title":"Associations between whole-body reaction time, maximum jump height, and skeletal muscle mass when reaction time and jump height are investigated as a complex.","authors":"Manabu Watanabe, Koji Watarai, Munenori Katoh","doi":"10.1589/jpts.36.542","DOIUrl":"10.1589/jpts.36.542","url":null,"abstract":"<p><p>[Purpose] This study aimed to investigate the association between whole-body reaction time and maximum jump height as elements of agility performance requiring maximum jumping when measured separately as closed-skill sports or as a complex of open-skill sports and their association with skeletal muscle mass. [Participants and Methods] This study included 54 healthy adult volunteers. Reaction time and jump height in response to a light stimulus were measured separately (the \"simple condition\") and simultaneously (the \"complex condition\"), and the associations between the values under these two conditions were investigated. The associations between the skeletal muscle mass and the two elements under both conditions were also investigated. [Results] No correlation was found between the reaction times measured under the simple and complex conditions; however, a significant correlation was evident for the jump height. Skeletal muscle mass correlated significantly with jump height but not with reaction time. [Conclusion] The study results suggest that the relationship between open- and closed-skill sports differs between reaction time and jump height. Therefore, closed-skill sports training may be insufficient for improving open-skill sports and cognitive function and may affect decision-making strategies.</p>","PeriodicalId":16834,"journal":{"name":"Journal of Physical Therapy Science","volume":"36 9","pages":"542-545"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11374164/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142140332","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Novel methods to increase core muscle activity in older adults.","authors":"Taizo Shiomi, Satoshi Miyashita, Kenji Murakami","doi":"10.1589/jpts.36.530","DOIUrl":"10.1589/jpts.36.530","url":null,"abstract":"<p><p>[Purpose] This study aimed to test whether a combination of specific postures and movements can increase trunk muscle activity in older adults. [Participants and Methods] Forty-six community-dwelling older adults (mean age: 83.9 ± 4.5 years) were living independently without the need for nursing care. The thicknesses of the external oblique, internal oblique, and transversus abdominis muscles were measured during the following three tasks: task I, natural sitting posture; task II, specific sitting posture to promote activity of the deep trunk muscles; and task III, task II plus a pushing down motion using both upper limbs. During each task, an ultrasound imaging device was used to measure the thicknesses of the external oblique, internal oblique, and transversus abdominis muscles on both the left and right sides according to the time required for expiration. [Results] Significant differences were found in the thicknesses of the internal oblique and transversus abdominis muscles between tasks II and III. Among the three muscles, the transversus abdominis showed the highest increase in thickness. [Conclusion] High activity of the trunk muscles, especially the transverse abdominis, can be achieved via specific sitting positions/tasks and further manipulations to increase the intra-abdominal pressure in both upper limbs.</p>","PeriodicalId":16834,"journal":{"name":"Journal of Physical Therapy Science","volume":"36 9","pages":"530-536"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11374162/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142140376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Association between phase angle and level of independence in daily living among institutionalized super older females requiring nursing care.","authors":"Ayaka Takayama, Masahiro Ishizaka, Akira Kubo, Minami Sato, Akihiro Yakabi, Sho Tsukahara, Shunya Numaguchi, Hideaki Ishii","doi":"10.1589/jpts.36.526","DOIUrl":"10.1589/jpts.36.526","url":null,"abstract":"<p><p>[Purpose] This study aimed to clarify the association between phase angle (PhA) and the level of independence in daily living among institutionalized super older females requiring nursing care. [Participants and Methods] This three-facility cross-sectional study enrolled 173 nursing home residents (mean age 91.0 years, standard deviation 4.9 years) divided into five groups, from 80+ to 100+ years of age, in 5-year increments. PhA, skeletal muscle mass index, body fat percentage, body mass index, and Barthel Index were measured in the five groups. We measured the relationship between age and PhA and analyzed partial correlation coefficients using these items. The adjusted variables differed significantly among the five groups. [Results] The overall PhA was 2.91 degrees, with a 2.36-degree PhA in patients aged >100 years. Age differences were found between the PhA and the Barthel Index. A significant correlation (0.66) was identified between the PhA and the Barthel Index. The age-adjusted partial correlation coefficient between the PhA and the Barthel Index was 0.56, indicating a moderately significant positive correlation. [Conclusion] This study identified an association between PhA and independence in daily living among female nursing home residents aged 80-107 years, indicating that the PhA is an excellent indicator of physical condition.</p>","PeriodicalId":16834,"journal":{"name":"Journal of Physical Therapy Science","volume":"36 9","pages":"526-529"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11374166/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142140331","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Byeong Hun Oh, Chul-Su Kim, Da-Sol Kim, Gi-Wook Kim, Yu-Hui Won, Myoung-Hwan Ko, Jeong-Hwan Seo, Sung-Hee Park
{"title":"Effects of robot exoskeletal-assisted gait training on gait ability in a pediatric patient with peripheral polyneuropathy: a case report.","authors":"Byeong Hun Oh, Chul-Su Kim, Da-Sol Kim, Gi-Wook Kim, Yu-Hui Won, Myoung-Hwan Ko, Jeong-Hwan Seo, Sung-Hee Park","doi":"10.1589/jpts.36.583","DOIUrl":"10.1589/jpts.36.583","url":null,"abstract":"<p><p>[Purpose] This study aims to investigate the effects of robotic exoskeleton-assisted gait training on a pediatric patient with peripheral polyneuropathy. [Participant and Methods] A 10-year-old boy with lower extremity weakness attributed to peripheral polyneuropathy underwent a two-week program comprising 10 rehabilitation sessions of powered robotic exoskeleton-assisted gait training (REGT). He was evaluated before and after treatment using the 10-meter walk test, 6-minute walk test, Berg Balance Scale, the Timed Up and Go Test, the Functional Reach Test, the Modified Functional Reach Test, hip and knee flexion/extension angles, and cardiopulmonary exercise testing. [Results] The patient demonstrated improved gait speed, balance, joint mobility, cadence, the maximum oxygen consumption and metabolic equivalents after the REGT. [Conclusion] Robotic exoskeleton devices could provide additional benefits to pediatric patients with peripheral polyneuropathy, pending larger studies to confirm the significance of treatment.</p>","PeriodicalId":16834,"journal":{"name":"Journal of Physical Therapy Science","volume":"36 9","pages":"583-587"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11374170/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142140368","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Influence of exercise using the Valsalva maneuver on vital signs in young adults.","authors":"Yusuke Chigira, Tomomi Hayakawa, Kosuke Saida, Nobuyuki Takeuchi","doi":"10.1589/jpts.36.488","DOIUrl":"10.1589/jpts.36.488","url":null,"abstract":"<p><p>[Purpose] To examine the influence of exercise using the Valsalva maneuver on vital signs. [Participants and Methods] Twenty-five healthy university students participated in the study. All participants were instructed to perform the squat under two loading intensities, that is, with barbell weights of 40% and 80% of body weight, under two conditions: no breath-holding (Control group) and breath-holding (Valsalva group). Blood pressure, pulse pressure, lactic acid level, and Borg scale scores were measured before and after each exercise session. [Results] Systolic blood pressure, mean blood pressure, and pulse pressure increased in the 80% Control, 40% Valsalva, and 80% Valsalva groups. [Conclusion] The use of the Valsalva maneuver could influence the vital signs of young, healthy participants.</p>","PeriodicalId":16834,"journal":{"name":"Journal of Physical Therapy Science","volume":"36 9","pages":"488-491"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11374181/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142140372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kazunori Yamazaki, Yoshihito Sakai, Tadashi Ito, Jo Fukuhara, Yoshifumi Morita
{"title":"Percentage of decline in individual proprioceptors in older adults.","authors":"Kazunori Yamazaki, Yoshihito Sakai, Tadashi Ito, Jo Fukuhara, Yoshifumi Morita","doi":"10.1589/jpts.36.492","DOIUrl":"10.1589/jpts.36.492","url":null,"abstract":"<p><p>[Purpose] Although standing balance and functions of each proprioceptor decline with age in older adults, data regarding the types and percentages of proprioceptors susceptible to decline are unavailable. In this study, we investigated the rate of decline in each proprioceptor area in older adults and also the effect of aging on the association between postural balance and proprioception. [Participants and Methods] This study performed between November 2012 and July 2022 included both young and older adults. Vibration stimuli were applied to the gastrocnemius and lumbar multifidus muscles at 30-250 Hz to assess the effects of the easily attenuated proprioceptors. The independent t-test showed a decline in proprioception in older adults. A χ<sup>2</sup> test was performed to determine proprioceptors that were susceptible to attenuation in older adults. [Results] The results revealed that many older adults had reduced muscle spindles (low and high frequencies) in their lower legs and trunk (low frequency). [Conclusion] Proprioceptive ability is lower in older adults than in younger individuals. Therefore, activation programs to treat the reduced intrinsic receptive responsiveness may be required for rehabilitation of older adults.</p>","PeriodicalId":16834,"journal":{"name":"Journal of Physical Therapy Science","volume":"36 9","pages":"492-497"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11374179/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142140377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Analgesic effect and efficacy rate of radial extracorporeal shock wave therapy for plantar fasciitis: a retrospective study.","authors":"Yui Sezaki, Naoto Ikeda, Sho Toyoshima, Atsushi Aoki, Taizan Fukaya, Yuka Yokoi, Katsuyuki Morishita","doi":"10.1589/jpts.36.537","DOIUrl":"10.1589/jpts.36.537","url":null,"abstract":"<p><p>[Purpose] This study aimed to measure the analgesic effects and efficacy of radial extracorporeal shock wave therapy, for which no consensus has been reached regarding optimal treatment parameters. [Participants and Methods] The study included 40 feet of 40 patients with plantar fasciitis. The visual analogue scale was used to determine the immediate and cumulative effects of radial extracorporeal shock wave therapy as well as the efficacy rate. Efficacy was calculated as a percentage visual analogue scale change of ≥20 mm and visual analogue scale improvement of ≥60%. [Results] Immediate and continued efficacy of radial extracorporeal shock wave therapy was observed and recorded. Efficacy rates based on a percentage visual analogue scale change of ≥20 mm and visual analogue scale improvement of ≥60% were both 57.5%. [Conclusion] Radial extracorporeal shock wave therapy has immediate and cumulative analgesic effects on plantar fasciitis. However, cumulative results of interventions with various treatment parameters are required to determine the optimal treatment parameter settings for diffuse pressure wave therapy for plantar fasciitis.</p>","PeriodicalId":16834,"journal":{"name":"Journal of Physical Therapy Science","volume":"36 9","pages":"537-541"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11374163/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142140329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Interindividual differences in physical function and their impact on regular player selection among junior high school soccer athletes.","authors":"Chiaki Matsumoto, Masahiro Ishizaka, Tatsuya Igawa, Masafumi Itokazu, Hiroto Takahashi","doi":"10.1589/jpts.36.411","DOIUrl":"10.1589/jpts.36.411","url":null,"abstract":"<p><p>[Purpose] Unlike professional teams that use comprehensive evaluations, player selection in local and school-level soccer teams relies on the coaches' practical experience. This study investigated the differences in physical function between regular and non-regular male junior high school soccer players to provide valuable insights into player selection. [Participants and Methods] We assessed grip strength, rebound jumps, muscle strength, agility, short-distance running, anaerobic power, and countermovement jumps in 55 Japanese junior high school boys, who were divided into regular (R) and non-regular (NR) groups. Moreover, the age, height, and weight of the groups were compared. [Results] The analysis revealed significant differences in countermovement jumps and anaerobic power, while accounting for age and physique. [Conclusion] These results suggest that countermovement jumps and anaerobic power may constitute determining factors for regular and non-regular players, even when age and physical characteristics are considered.</p>","PeriodicalId":16834,"journal":{"name":"Journal of Physical Therapy Science","volume":"36 8","pages":"411-414"},"PeriodicalIF":0.0,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11290864/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141875104","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effects of simultaneous short-term neuromuscular electrical stimulation and static stretching on calf muscles.","authors":"Riyaka Ito, Tatsuya Igawa, Ryunosuke Urata, Shomaru Ito, Kosuke Suzuki, Hiroto Takahashi, Mika Toda, Mio Fujita, Akira Kubo","doi":"10.1589/jpts.36.447","DOIUrl":"10.1589/jpts.36.447","url":null,"abstract":"<p><p>[Purpose] The simultaneous application of static stretching and neuromuscular electrical stimulation (NMES) to calf muscles may enhance physiological parameters in young and healthy individuals; however, the efficacy of this intervention and potential sex variation remain to be elucidated. The present study aimed to investigate these aspects. [Participants and Methods] Thirty healthy university students (15 males and 15 females) participated in this study. All participants simultaneously underwent static stretching and NMES of the calf muscles for 4 min while lying on an upright and tilted table. The mean differences in the dorsiflexion angle (DFA), finger-floor distance (FFD), and straight leg raising (SLR) angle before and after the intervention were calculated. Sex variations were assessed using a two-way analysis of variance (ANOVA). [Results] The DFA, FFD, and SLR angle exhibited significant effects on time. No significant sex variations were observed between the groups. [Conclusion] Simultaneous static stretching and NMES of the calf muscles potentially enhanced the DFA, FFD, and SLR angle in healthy university students, irrespective of sex.</p>","PeriodicalId":16834,"journal":{"name":"Journal of Physical Therapy Science","volume":"36 8","pages":"447-451"},"PeriodicalIF":0.0,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11290863/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141875079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Temporal changes in postural control strategy through single-leg stance practice with active restriction of knee movement.","authors":"Kenichi Kobara, Manaka Kawaue, Saki Akai, Hiroshi Osaka, Chiharu Kurozumi","doi":"10.1589/jpts.36.420","DOIUrl":"10.1589/jpts.36.420","url":null,"abstract":"<p><p>[Purpose] This study aimed to examine and verify temporal changes in lower limb joint action after 2 weeks of single-leg stance training under active restriction of knee movement. [Participants and Methods] The participants included 28 healthy adult females (mean age, 19.6 ± 1.0 years). A stabile meter was used to measure the center of pressure sway as an index of ankle joint action. In addition, a triaxial accelerometer was used to measure pelvic and knee sways as indices of hip and knee joint actions, respectively. We established two experimental groups: an active-restriction group and an unrestricted group. Measurements of lower limb joint actions were recorded thrice during single-leg stance exercises during the first session of practice, the third session 1 week later, and the sixth session 2 weeks later. [Results] Both groups exhibited shorter total trajectory lengths in sessions three and six than in the first session. The active restriction group showed less knee sway in later sessions, whereas the unrestricted group showed reduced pelvic sway in the third session. [Conclusion] Single-leg stance exercises with active restriction of knee movement may alter the strategy of lower limb joint action.</p>","PeriodicalId":16834,"journal":{"name":"Journal of Physical Therapy Science","volume":"36 8","pages":"420-424"},"PeriodicalIF":0.0,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11290857/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141875158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}