研究者詳細 - 片寄　正樹

論文 - 片寄　正樹

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Clinical Risk Factors and Prognostic Impact of Osteoporosis in Patients With Chronic Heart Failure.

Satoshi Katano, Toshiyuki Yano, Takanori Tsukada, Hidemichi Kouzu, Suguru Honma, Takuya Inoue, Yuhei Takamura, Ryohei Nagaoka, Tomoyuki Ishigo, Ayako Watanabe, Katsuhiko Ohori, Masayuki Koyama, Nobutaka Nagano, Takefumi Fujito, Ryo Nishikawa, Hiroyuki Takashima, Akiyoshi Hashimoto, Masaki Katayose, Tetsuji Miura

Circulation journal : official journal of the Japanese Circulation Society 84 ( 12 ) 2224 - 2234 2020年11月 [国内誌]

BACKGROUND: The clinical significance of osteoporosis in chronic heart failure (CHF) remains unclear.Methods and Results:A total of 303 CHF patients (75 years, [interquartile range (IQR) 66-82 years]; 41% female) were retrospectively examined. Bone mineral densities (BMDs) at the lumbar spine, femoral neck, and total femur were measured by using dual-energy X-ray absorptiometry (DEXA), and osteoporosis was diagnosed when the BMD at any of the 3 sites was <70% of the Young Adult Mean percentage (%YAM). The prevalence of osteoporosis in CHF patients was 40%. Patients with osteoporosis were older (79 [IQR, 74-86] vs. 72 [IQR, 62-80] years), included a large percentage of females, had slower gait speed and had a lower body mass index. Multivariate logistic regression analysis indicated that sex, BMI, gait speed, loop diuretics use and no use of direct oral anticoagulants (DOACs) were independently associated with osteoporosis. Kaplan-Meier survival curves showed that the rate of death and heart failure hospitalization was higher in patients with osteoporotic BMD at 2 or 3 sites than in patients without osteoporosis (hazard ratio 3.45, P<0.01). In multivariate Cox regression analyses, osteoporotic BMD at 2 or 3 sites was an independent predictor of adverse events after adjustment for prognostic markers. CONCLUSIONS: Loop diuretics use and no DOACs use are independently associated with osteoporosis in CHF patients. Osteoporosis is a novel predictor of worse outcome in patients with CHF.

DOI PubMed

Flexor hallucis longus tendinous slips and the relationship to toe flexor strength.

Kento Hirota, Kota Watanabe, Atsushi Teramoto, Yuki Saito, Masaki Katayose

Foot and ankle surgery : official journal of the European Society of Foot and Ankle Surgeons 27 ( 8 ) 851 - 854 2020年11月 [国際誌]

BACKGROUND: In the general population, the flexor hallucis longus (FHL) often has tendinous slips to lesser toes and the number of FHL slips varies between individuals. The purpose of this study was to investigate the relationship between the number of FHL tendinous slips in an individual foot and its toe flexor strength. METHODS: Forty healthy men were included in the study. The FHL branch test was used to assess each subject for the number of FHL tendinous slips. Toe flexor strength in each toe was measured using a force gauge. A two-way ANOVA was used to compare toe flexor strength between groups classified according to the number of FHL slips. RESULTS: The group of subjects with FHL branching to the second toe was the most common (20/40). The toe flexor strength ratio of the third toe was significantly lower in feet lacking FHL branching to the third toe than in those feet which did have branching to the third toe (P = 0.005). CONCLUSIONS: Toe flexor strength was affected by FHL tendinous slips. Considering the number of the FHL tendinous slips an individual foot has may be useful in clinical practice for rehabilitation or training of toe flexor muscles.

DOI PubMed

Shuhei Nozaki, Kota Watanabe, Atsushi Teramoto, Tomoaki Kamiya, Masaki Katayose, Naomichi Ogihara

Anatomical Science International ( Springer Science and Business Media LLC ) 96 ( 2 ) 258 - 264 2020年11月 [国内誌]

The high prevalence of foot pathologies in women and the elderly could be associated with gender and age difference in the morphology of the foot, particularly the morphology of the keystone of the foot, the talus. The present study investigated the orientation and curvature of the three articular surfaces of the talus in relation to sex and age based on computer tomography (CT), to identify possible morphological factors of the higher prevalence of foot disorders in women and elderly. Fifty-six participants were included in this study. The orientations of the talocrural, subtalar, and talonavicular joints were quantified three-dimensionally by calculating normal and principal axes of the articular surfaces defined by planar approximation. The curvature radii of the articular surfaces were quantified by cylindrical and spherical approximations. The talonavicular surface was significantly more twisted in the frontal plane and less adducted in the transverse plane in females than in males. With aging, the subtalar articular surface was significantly facing more posteriorly. Moreover, it was found that the curvature radii of the trochlea and navicular articular surfaces significantly increased with aging, indicating a flattening of these surfaces. The identified changes in the talar morphology with aging could potentially lead to a higher prevalence of foot disorders in the elderly.

DOI PubMed

Effective stretching positions for the posterior shoulder capsule as determined by shear wave elastography.

Naoya Iida, Keigo Taniguchi, Kota Watanabe, Hiroki Miyamoto, Tatsuya Taniguchi, Atsushi Teramoto, Masaki Katayose

Journal of shoulder and elbow surgery 30 ( 5 ) 1186 - 1195 2020年09月 [国際誌]

BACKGROUND: Stretching is often used to prevent and treat posterior shoulder capsule tightness; however, the most effective stretching positions are not clearly defined. The purpose of this study was to identify the stretching positions that specifically applied the greatest passive tension on the posterior shoulder capsule by evaluating the elastic characteristics of posterior capsules and muscles in various stretching positions using ultrasound shear wave elastography (SWE). METHODS: We evaluated 9 fresh-frozen shoulders (mean age 86.6 ± 7.7 years) without osteoarthritis or rotator cuff tears. All posterior shoulder tissues were preserved intact. Shear moduli of the middle and inferior posterior shoulder capsules and the posterior shoulder muscles were evaluated using SWE. We obtained shear modulus measurements in 9 stretching positions using a combination of glenohumeral elevation planes and angles (frontal, sagittal, scapular; -30°, 0°, 30°, 60°, respectively). A 4-Nm torque for shoulder internal rotation or horizontal adduction was applied in each position. We also measured shear moduli in the resting position (0° elevation with neutral shoulder internal/external rotation). We compared the shear moduli of all stretching and resting positions using 1-way repeated measures analysis of variance (P < .05). In addition, we compared the shear modulus in 2 positions (ie, resting and each stretching) among tissues (ie, capsules and muscles) with repeated measures using 2-way analysis of variance (P < .05). RESULTS: Shear modulus values for the middle posterior capsules in "internal rotation at 30° in scapular plane elevation" (28.7 ± 14.3 kPa, P = .01) and in "horizontal adduction at 60° of elevation" (31.1 ± 13.1 kPa, P < .001) were significantly higher than that of the resting position (11.0 ± 7.3 kPa). The shear modulus value for the inferior posterior capsule in "internal rotation at 30° of flexion" was significantly higher than that of the resting position (39.0 ± 17.3 vs. 15.4 ± 13.9 kPa, respectively; P = .004). Additionally, the shear modulus values for the posterior capsules in "internal rotation at 30° in scapular plane elevation and flexion" were significantly higher than that of the posterior shoulder muscles. CONCLUSION: Effective middle posterior shoulder capsule stretching positions were shoulder "internal rotation at 30° of scapular plane elevation" and "horizontal adduction at 60° of elevation." Shoulder "internal rotation at 30° of flexion" was the most effective position for the inferior posterior shoulder capsule. Stretching in these positions could relieve posterior shoulder capsule tightness and contribute to the prevention and treatment of throwing injuries of the shoulder.

DOI PubMed

腸腰筋ストレッチングが胸腰椎・骨盤アライメントへ与える効果の検証

石田優子, 寒川美奈, 大場健裕, 中村賢太郎, 片寄正樹, 山中正紀, 遠山晴一

日本臨床スポーツ医学会誌 ( (一社)日本臨床スポーツ医学会 ) 28 ( 3 ) 501 - 505 2020年08月

脊柱骨盤アライメント変化や腸腰筋短縮は、腰痛発生の一要因とされ、腸腰筋に対するストレッチングの効果も示されている。しかし、腸腰筋ストレッチングの脊柱骨盤アライメントへの即時的な影響を調べた報告はない。本研究は腸腰筋ストレッチングの脊柱骨盤アライメントへの即時的な影響を調べた。対象は健常若年男性16名(年齢23.7±1.5歳)とした。腸腰筋柔軟性評価には、modified Thomas test時の股関節伸展角度を用いた。胸椎後彎および腰椎前彎角度はSpinal Mouseを用いて、骨盤傾斜角は上前腸骨棘と上後腸骨棘を結ぶ直線と水平線の成す角により測定した。腸腰筋ストレッチングは30秒5セット行った。その結果、股関節伸展角度の増加(p=0.001)と腰椎前彎の減少(p=0.011)を認めた。以上から、腸腰筋ストレッチングが股関節の柔軟性改善と腰椎アライメント変化を即時的にもたらすことが示された。(著者抄録)

Morphological characteristics of the lateral ankle ligament complex.

Takumi Kobayashi, Daisuke Suzuki, Yu Kondo, Ryo Tokita, Masaki Katayose, Hirofumi Matsumura, Mineko Fujimiya

Surgical and radiologic anatomy : SRA 42 ( 10 ) 1153 - 1159 2020年03月 [査読有り] [国際誌]

PURPOSE: The relevance of each ligament comprising the lateral ankle ligament complex, including the anterior talofibular ligament (ATFL), calcaneofibular ligament (CFL), and posterior talofibular ligament (PTFL), has not been sufficiently elucidated; therefore, we aimed to clarify the morphological characteristics and relevance of these ligaments. METHODS: Total 152 legs from 152 Japanese cadavers were investigated. The lengths and widths of the ATFL, CFL, and PTFL were measured using a caliper. The ATFL was classified according to the number of fiber bundles (Types I, II, and III corresponded to one, two, and three fiber bundles, respectively), and the lengths and widths of the three ligaments were compared between the Type groups. In addition, the ratio of each ligament's length and width to the tibial length was calculated, and the correlation of the ratio of ligament length and width between the ATFL, CFL, and PTFL was examined about 34 legs. RESULTS: The ATFL, CFL, and PTFL were found to connect at the anterior/inferior tip of the lateral malleolus each other. The Type II group of the ATFL was most common (54.6%) in our investigated specimens. However, there were no significant inter-group differences in the lengths and widths of the CFL and PTFL. CONCLUSIONS: This study demonstrates that the lateral ankle ligaments may stabilize the ankle joint through interconnections.

DOI PubMed

Morphological variations of the human talus investigated using three-dimensional geometric morphometrics.

Shuhei Nozaki, Kota Watanabe, Tomoaki Kamiya, Masaki Katayose, Naomichi Ogihara

Clinical anatomy (New York, N.Y.) 34 ( 4 ) 536 - 543 2020年03月 [査読有り] [国際誌]

INTRODUCTION: The shape of the talus determines the positional and kinematic features of the subtalar, talonavicular, and talocrural joints during walking. Thus, detailed knowledge of the pattern of sexual dimorphism of the human talus may be useful for revealing the pathogenetic mechanism of foot and knee disorders, which are more prevalent in females. The aim of this study was to characterize and visualize the three-dimensional shape variations of the talus in relation to sex and age using geometric morphometrics. MATERIALS AND METHODS: Computed tomography images of 56 ft without talar injuries or disorders were used in this study. Thirty-seven anatomical landmarks were identified on a bone model of the talus to calculate principal components (PCs) of shape variations among specimens. PC scores were compared between sexes, and their correlations with age were also investigated. RESULTS: The female talus had a longer neck and narrower head width than the male talus. The superior trochlea was tilted more laterally in the frontal plane in females. Furthermore, the female talar head was more twisted and was more elongated in the dorsoplantar direction. CONCLUSIONS: Morphological features of the talus in females could alter the subtalar and talonavicular joint kinematics during walking and could be a structural factor in the pathogenetic mechanism underlying foot and knee disorders. This study contributes to the comprehensive understanding of shape variations in the human talus. This article is protected by copyright. All rights reserved.

DOI PubMed

股関節屈曲・伸展運動時における長内転筋の筋スティフネスに及ぼす股関節角度の影響

加藤拓也, 谷口圭吾, 神谷智昭, 寺本篤史, 渡邉耕太, 片寄正樹, 山下敏彦

日本整形外科学会雑誌 ( (公社)日本整形外科学会 ) 94 ( 3 ) S995 - S995 2020年03月

Comparison of the sacral table angles by progression stage of lumbar spondylolysis.

Kazuhiro Sugawara, Noriyuki Iesato, Masaki Katayose

Spine deformity 8 ( 1 ) 123 - 127 2020年02月 [国際誌]

STUDY DESIGN: Retrospective study. OBJECTIVES: The purpose of this study was to investigate sacral table angle (STA) values in early-stage spondylolysis. Several studies suggested that the STA of patients with L5 spondylolysis or spondylolisthesis was significantly lower than that of healthy controls. Separation of the pars interarticularis creates shear stress between the upper sacral end plate and L5 vertebra. This was considered the cause of low STA in patients with spondylolysis or spondylolisthesis. However, if a low STA value is obtained in the early stage of L5 spondylolysis, it suggests that low STA does not result in the remodeling of the sacral end plate. METHODS: Patients with L5 spondylolysis and those with low back pain without pars defect were retrospectively identified from a hospital database in 2014-2016. Pars defect of the spondylolysis was classified into three categories based on CT and MRI results: early, progressive, or terminal stage. The STA difference between groups was calculated using one-way analysis of variance and Scheffe F test, which were used for post hoc testing. RESULTS: A total of 84 cases of L5 spondylolysis and 70 cases of low back pain were identified. No significant difference was found between the STAs of the early- or progressive-stage spondylolysis and the terminal-stage L5 spondylolysis and low back pain patients. The STA of the terminal-stage L5 spondylolysis was significantly lower than that of low back pain patients. CONCLUSIONS: In conclusion, patients with early- or progressive-stage spondylolysis do not have low STA. Low STA is seen only in patients with terminal-stage spondylolysis, suggesting that low STA is associated with remodeling changes in response to shear force after onset of spondylolysis. STA value might not important as a prognostic parameter about development of the spondylolysis. LEVEL OF EVIDENCE: Level IV.

DOI PubMed

Sex- and age-related morphological variations in the talar articular surfaces of the calcaneus

Nozaki S, Watanabe K, Kamiya T, Katayose M, Ogihara N

Annals of Anatomy 229 151468 - 151468 2020年01月 [査読有り] [国際誌]

BACKGROUND: The prevalence of foot pathologies, such as flatfoot deformity and hallux valgus, is higher in women and increases with age. It has been reported that these types of foot disorders may also be linked to excessive mobility of the subtalar joint to the eversion direction during weight bearing. Given that the mobility of the joint is determined by its articular morphology, sex- and age-related variations in the subtalar articular surface morphology are possible. The purpose of this study was to investigate the orientation and the curvature radii of the talar articular facets of the calcaneus in relation to age and sex using three-dimensional computer tomography. METHODS: Fifty-six feet without subtalar injuries or disorders were included in this study. The orientations of the talar articular surfaces of the calcaneus were quantified in the sagittal and coronal planes. The curvature radii of the articular surfaces of the calcaneus were also assessed based on the approximations of the sphere surfaces. RESULTS: The talar articular surface was oriented more anteriorly and medially in the females than in the males. The curvature radius of the calcaneal posterior facet in the females exhibited a positive correlation with age, indicative of increased articular surface flattening. CONCLUSIONS: The morphological features of the female calcaneus could induce excessive eversion and could lead to a higher prevalence of foot disorders, including flatfoot and hallux valgus, in elderly females. This study contributes to an understanding of the sexual dimorphism of the articular surfaces of the calcaneus and provides insight into the mechanisms that underline various foot disorders.

DOI PubMed

Acute hypotension attenuates brachial flow-mediated dilation in young healthy men.

Erika Iwamoto, Yutaka Yamada, Masaki Katayose, Rintaro Sakamoto, Toru Neki, Jun Sugawara, Shigehiko Ogoh

European journal of applied physiology 120 ( 1 ) 161 - 169 2020年01月 [査読有り] [国際誌]

PURPOSE: This study aimed to test our hypothesis that acute hypotension attenuates brachial flow-mediated dilation (FMD) as an index of endothelial function in healthy humans. METHODS: Twelve healthy men (21.8 ± 1.6 years, body mass index; 22.2 ± 1.6 kg/m2) participated in this study. Brachial FMD was measured in three trials: standardized FMD protocol (control trial), abrupt decrease in blood pressure (BP) via thigh cuff inflation-deflation (hypotension trial) and decrease in shear rate (SR) via a shortened forearm occlusion time (SR reduction trial). Brachial diameter and blood velocity were measured using Duplex ultrasound. RESULTS: Mean arterial pressure during reactive hyperaemia showed a marked decrease in the hypotension trial (- 23.7 ± 6.0 mmHg), but not in the control and SR reduction trials. SR area under the curve was attenuated in the SR reduction trial (P < 0.001), but not in the control and hypotension trials (P = 0.316). Consequently, FMD was attenuated in the hypotension and SR reduction trials compared with that in the control trial (P = 0.003 and P = 0.043, respectively), and was attenuated to a greater extent in the hypotension trial compared with the SR reduction trial (P = 0.006; control, 6.9 ± 3.5%; hypotension, 3.5 ± 1.7%; SR reduction, 5.0 ± 2.2%). After adjusting FMD using SR, FMD remained attenuated in the hypotension trial (P = 0.014), but not in the SR reduction trial. CONCLUSION: Our findings indicate that arterial pressure as well as sympathetic nervous system activation could be an important determinant of FMD. Blunted FMD of peripheral arteries may be a rational response to restore BP and/or prevent further reduction of BP following acute hypotension in healthy humans.

DOI PubMed

Relationship between shear modulus and passive tension of the posterior shoulder capsule using ultrasound shear wave elastography: A cadaveric study

Naoya Iida, Keigo Taniguchi, Kota Watanabe, Hiroki Miyamoto, Tatsuya Taniguchi, Mineko Fujimiya, Masaki Katayose

Journal of Biomechanics ( ELSEVIER SCI LTD ) 99 109498 - 109498 2020年01月 [査読有り] [国際誌]

Although shear wave elastography (SWE) has been used to indirectly measure passive tension in muscle tissues, it is unknown whether SWE can adequately evaluate passive tension in capsule tissues. This study investigated the relationship between the shear modulus and passive tension in the posterior shoulder capsule using SWE. Ten posterior middle and ten posterior inferior shoulder capsules were dissected from ten fresh-frozen cadavers; humeral head-capsule-glenoid specimens were created from each capsule. The humeral head and glenoid were immobilized with clamps in a custom-built device. Loads (0-400 g, in 25-g increments) were applied to each capsule via a pulley system; elasticity was simultaneously measured using SWE. The elasticity-load relationship of each tested capsule was analyzed by fitting a least-squares regression line to the data. Elasticity change due to creep or hysteresis effects was evaluated by comparing the elastic modulus for a 100-g load during and after the stepwise application of the loads. The observed relationship between the shear modulus and passive capsule tension was highly linear for all twenty tested capsules (p < 0.01). The mean coefficient of determination was 0.882 +/- 0.075 and 0.901 +/- 0.050 for the posterior middle and posterior inferior capsules, respectively. There was no difference in the shear modulus between the two 100-g load assessments for both the posterior middle (p = 0.205) and posterior inferior capsules (p = 0.161). Thus, SWE is a valid and useful method for indirectly evaluating the change in the passive tension under loading in specific posterior shoulder capsule. (C) 2019 Elsevier Ltd. All rights reserved.

DOI PubMed

Three-dimensional Morphological Variations of the Human Calcaneus Investigated Using Geometric Morphometrics.

Nozaki S, Watanabe K, Kamiya T, Katayose M, Ogihara N

Clinical anatomy (New York, N.Y.) 33 ( 5 ) 751 - 758 2019年10月 [査読有り] [国際誌]

The shape of the calcaneus determines the mechanical interaction of the foot with the ground during the heel-strike in human walking. Detailed knowledge of the pattern of sexual dimorphism of the human calcaneus could help to clarify the pathogenetic mechanism of foot and knee disorders, which are more prevalent in females. Therefore, the aim of this study was to characterize and visualize the three-dimensional shape variations of the calcaneus in relation to sex and age using geometric morphometrics. Computed tomography images of 56 feet without subtalar injuries or disorders were used in this study. Thirty-seven anatomical landmarks were identified on the bone model of the calcaneus to calculate principal components (PCs) of shape variations among specimens. The PC scores were compared between males and females, and their correlations with age were also analyzed. The female calcaneus was longer in length and shorter in height than that of males. The medial process of the calcaneal tuberosity in females was more inferiorly projected and the tuberosity was shifted more laterally. Also, the calcaneus was wider and the sustentaculum tali thickened with aging. Female structural features of the calcaneus alter the kinematics of the foot during walking and could be a structural factor in foot and knee disorders. This study contributes to a comprehensive understanding of shape variations in the human calcaneus. Clin. Anat., 33:751-758, 2020. © 2019 Wiley Periodicals, Inc.

DOI PubMed

超音波せん断波エラストグラフィを用いたヒト大腿直筋の受動張力評価の妥当性検証 Thiel法固定屍体を用いた検討

小出所大樹, 谷口圭吾, 溝口照悟, 神谷智昭, 寺本篤史, 渡邉耕太, 藤宮峯子, 片寄正樹, 山下敏彦

日本整形外科学会雑誌 ( (公社)日本整形外科学会 ) 93 ( 8 ) S1768 - S1768 2019年09月

Flexor hallucis longus tendon branch test: Development and validation of a new method to assess anatomical variation of the tendinous slip

Kento Hirota, Kota Watanabe, Yuki Saito, Masaki Katayose

Foot and Ankle Surgery ( Elsevier {BV} ) 26 ( 6 ) 607 - 613 2019年08月 [査読有り] [国際誌]

BACKGROUND: The flexor hallucis longus (FHL) muscle often has a tendinous slip with a variable number of branches. We aimed at developing the FHL branch test to determine the number of FHL branches. METHODS: In anatomical validation study, 6 intact cadavers were used. The toe flexion angles were measured while the FHL and flexor digitorum longus (FDL) were manually pulled individually. For electrophysiological studies, 4 healthy men participated. The FHL was electrically stimulated, and electromyography (EMG) of the FHL and FDL were recorded during the FHL branch test. RESULTS: The toe flexion angles' changes in the FHL pulling condition were equivalent with pulling FDL in toes with FHL branching. The electrical stimulation of the FHL produced similar flexion as the FHL branch test. EMG of the FHL was higher than FDL during the FHL branch test (p=0.036). CONCLUSIONS: The FHL branch test could be used to evaluate the number of FHL branches.

DOI PubMed

肩関節後方関節包における受動的なスティフネスの定量評価未固定凍結人体標本を用いた検討

飯田尚哉, 谷口圭吾, 渡邉耕太, 宮本浩樹, 谷口達也, 藤宮峯子, 片寄正樹

理学療法学 ( (公社)日本理学療法士協会 ) 46 ( Suppl.1 ) SS4 - 3 2019年08月

Effect of hip angle on neuromuscular activation of the adductor longus and adductor magnus muscles during isometric hip flexion and extension.

Takuya Kato, Keigo Taniguchi, Hiroshi Akima, Kohei Watanabe, Yuma Ikeda, Masaki Katayose

European journal of applied physiology 119 ( 7 ) 1611 - 1617 2019年07月 [査読有り] [国際誌]

PURPOSE: Neuromuscular activation of the adductor longus (AL) and adductor magnus (AM) muscles at different hip flexion angles during hip flexion and extension has not been clarified. This study aimed to compare the relationship between hip flexion angle and the electromyogram of the AL muscle with that of the AM muscle during isometric hip flexion and extension. METHODS: Fifteen healthy young men were included in this study. Participants performed maximal voluntary contractions during hip flexion and extension at six different hip flexion angles: - 20°, 0°, 20°, 40°, 60°, and 80°. The surface electromyograms of the AL and AM muscles were recorded. The root mean square (RMS) was calculated and normalized by the RMS during hip adduction for each individual muscle. RESULTS: The normalized RMS of the AL muscle was significantly higher than that of the AM muscle at a hip flexion angle of - 20° during hip flexion (P < 0.05). The mean normalized RMS of the AM muscle was significantly higher than that of the AL muscle during hip extension (P < 0.01). CONCLUSION: These results suggest that the AL muscle is recruited specifically at the hip-extended position during hip flexion, and that the AM muscle is recruited regardless of the hip position during hip extension. Thus, the AL and AM muscles may have different functional roles in different hip flexion angles.

DOI PubMed

心臓交感神経イメージにおいて集積低下例ほど心臓リハビリテーションの治療効果が期待できる

中田潤, 藤戸健史, 大堀克彦, 山直也, 矢野俊之, 橋本暁佳, 石合純夫, 片野唆敏, 本間傑, 下村佳奈子, 蝶野大樹, 片寄正樹

日本心臓核医学会ニュースレター ( 日本心臓核医学会 ) 21 ( 2 ) 120 - 120 2019年06月

Effective Stretching Position for the Tightness of Posterior Shoulder Capsule Determined by Shear Wave Elastography

Naoya Iida, Keigo Taniguchi, Kota Watanabe, Hiroki Miyamoto, Tatsuya Taniguchi, Mineko Fujimiya, Masaki Katayose

MEDICINE AND SCIENCE IN SPORTS AND EXERCISE ( LIPPINCOTT WILLIAMS & WILKINS ) 51 ( 6 ) 646 - 646 2019年06月

DOI

The Effect of Novel Ankle-Realigning Socks on Dynamic Postural Stability in Individuals with Chronic Ankle Instability.

Kobayashi T, Watanabe K, Ito T, Tanaka M, Shida M, Katayose M, Gamada K

International journal of sports physical therapy 14 ( 2 ) 264 - 272 2019年04月 [査読有り] [国際誌]

BACKGROUND: A dynamic postural stability deficit has been suggested to be present in individuals with chronic ankle instability (CAI). Interventions to improve postural control in individuals with CAI have been reported, but they required a long period of and compliance with interventions. PURPOSE: To examine the effect of novel ankle-realigning socks on dynamic postural stability in individuals with CAI using the star excursion balance test (SEBT). STUDY DESIGN: Case-control study. METHODS: Twenty-eight control and 22 subjects with CAI (who were tested in both barefoot and with socks) were enrolled. The weight-bearing ankle dorsiflexion range of motion (DF-ROM) and SEBT were measured in the control group, the barefoot CAI group, and the CAI with socks group. In addition, subjective ankle instability during SEBT was measured using a visual analog scale (0 - 100). RESULTS: DF-ROM was 48.3 ± 7.4 º in the control group, 43.3 ± 8.0 º in the barefoot CAI group, and 45.7 ± 6.8 º in the CAI with socks group. DF-ROM was significantly less in the barefoot CAI group than in the control group. The SEBT scores were significantly less in the barefoot CAI group than in the control group in all directions. The SEBT score was significantly larger in the CAI with socks group than in the barefoot CAI group in the posteromedial, posterior, and posterolateral directions. In addition, there were no significant differences between the control group and the CAI with socks group in six directions. CONCLUSION: Wearing the novel ankle-realigning socks immediately improved dynamic postural stability as measured by the SEBT and subjective ankle instability in individuals with CAI. LEVEL OF EVIDENCE: Level 3b.

PubMed

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