Effects of Single-Joint Type Hybrid Assistive Limb in Knee Rehabilitation on Reduction of Pre-motor Time and Increased Rate of Fast Muscle Activation for Anterior Cruciate Regiment (ACL) Reconstruction.

Background/objectives: Changes in muscle characteristics after post-anterior cruciate regiment (ACL) reconstruction are common. Knee robotic-assisted therapy using hybrid assistive limb (HAL) single-joint training for recovery from ACL injury has the potential to optimize muscle activity; however, its neurophysiological effects remain unclear. Thus, this study aimed to explore the electrophysiological parameters.

Gait training using a wearable robotic hip device for incomplete spinal cord injury: A preliminary study.

Context/objective: To explore changes in gait functions for patients with chronic spinal cord injury (SCI) before and after standard rehabilitation and rehabilitation with a wearable hip device, explore the utility of robot-assisted gait training (RAGT), and evaluate the safety and dose of RAGT.

Design: Single-arm, open-label, observational study.

Setting: A rehabilitation hospital.

Muscle Strength and Efficiency of Muscle Activities Recovery Using Single-Joint Type Hybrid Assistive Limb in Knee Rehabilitation after Anterior Cruciate Ligament Reconstruction.

Decreased muscle strength often occurs after anterior cruciate ligament (ACL) reconstruction; this can include muscle atrophy, neuromuscular dysfunction, and reduced force generation efficiency. Hybrid assistive limb (HAL) technology, which integrates an interactive biofeedback system connecting the musculoskeletal system to the brain and spinal motor nerves, offers a potential intervention. Our study, conducted from March 2018 to August 2023 using knee HAL single-joint technology, was a prospective non-randomized controlled trial involving 27 patients who had undergone arthroscopic ACL reconstruction.

Evaluation of hand functions and distal radioulnar joint instability in elite wheelchair basketball athletes: a cross-sectional pilot study.

Background: Wrist injury affects wheelchair basketball players' performance; however, the relationship between distal radioulnar joint (DRUJ) instability and hand functions is unclear. This cross-sectional pilot study investigated DRUJ instability in elite female wheelchair basketball athletes using force-monitor ultrasonography.

Methods: Nine elite female wheelchair basketball athletes (18 wrists) were included in the study.

Reasons for the Reporting Behavior of Japanese Collegiate Rugby Union Players Regarding Suspected Concussion Symptoms: A Propensity Analysis.

While previous research has identified the reasons for the concussion-reporting behavior of rugby union players, the influence of confounding factors such as concussion experience, education, and knowledge of concussion symptoms, any of which may have influenced the results, has not been considered. This study aimed to clarify the reasons for the reporting behavior of college rugby union players regarding suspected concussion symptoms by adjusting for confounding factors using the propensity score. A questionnaire about both concussion knowledge and concussion-reporting behavior was administered to 240 collegiate rugby union players.

Application of force-monitor ultrasonography to assess distal radioulnar joint instability in patients with triangular fibrocartilage complex injury.

Introduction: In this study, we evaluated the differences and measurement accuracy in the force-displacement relationship of the distal radioulnar joint (DRUJ) between patients with triangular fibrocartilage complex (TFCC) injury and healthy controls using force-monitor ultrasonography.

Methods: This study included 11 TFCC injury patients and 22 healthy controls. We evaluated differences in the force-displacement relationship of the DRUJ in these patients using force-monitor ultrasonography.

Influence of the Amount of Change in Quadriceps Tendon Young's Modulus on Amount of Change in Walking Speed before and after Total Knee Arthroplasty.

: Walking speed after total knee arthroplasty (TKA) is an important outcome. However, the effect of quadriceps tendon stiffness on walking speed remains unclear. This study aimed to clarify the influence of the amount of change in quadriceps tendon stiffness on the degree of change in walking speed before and after TKA.

Effect of Training With the Hybrid Assistive Limb on Gait Cycle Kinematics After Total Knee Arthroplasty.

Introduction: Reportedly, wearable robots, such as the hybrid assistive limb (HAL), are effective in the functional recovery of various locomotor disabilities, including disrupted walking, restricted range of motion, and muscle weakness. However, the effect of walking exercises with a HAL on the kinematic and kinetic variables of lower limb joint function is not yet fully understood. Therefore, the purpose of this study was to elucidate the effect of HAL on the kinematic and kinetic variables of lower limb function in patients 5 weeks after total knee arthroplasty (TKA).

Difference in Personality Traits and Symptom Intensity According to the Trigger-Based Classification of Throwing Yips in Baseball Players.

The triggers of initial onset of yips symptoms can be broadly divided into psychological and non-psychological factors; however, a trigger-based classification of yips has not been established. This study aims to obtain insight into the prevention of yips by clarifying whether there are differences in symptoms and personality traits according to a trigger-based classification of yips in baseball players. A total of 107 college baseball players responded to a questionnaire assessing the presence or absence of yips and its symptoms.

Interpretation of causal relationship between quadriceps tendon Young's modulus and gait speed by structural equation modeling in patients with severe knee osteoarthritis.

Purpose: To clarify the causal relationship between quadriceps tendon stiffness and gait speed in patients with severe knee osteoarthritis (OA) using structural equation modeling.

Methods: Participants were 36 patients with knee OA (median age, 75.0 [interquartile range, 67.

Early Recovery of Walking Ability in Patients After Total Knee Arthroplasty Using a Hip-Wearable Exoskeleton Robot: A Case-Controlled Clinical Trial.

Introduction: The Honda Walking Assist (HWA) is a hip-wearable exoskeleton robot for gait training that assists in hip flexion and extension movements to guide hip joint movements during gait. This study aimed to evaluate the effects of walking exercises with HWA in patients who underwent total knee arthroplasty (TKA).

Materials And Methods: This study involved 10 patients (11 knees) in the HWA group and 11 patients (11 knees) in the control group who underwent conventional physical therapy.

How does the situation before a tackle influence a tackler's head placement in rugby union?: application of the decision tree analysis.

Objectives: Tacklers need to decide where to place their head based on the evasive manoeuvres of the ball-carrier and positional relationship with the ball-carrier before tackle. Therefore, it is difficult for tacklers to improve incorrect head placement at the moment of contact. Moreover, the characteristics prior to tackle have a relationship with the tackler's head placement.

Assessment of distal radioulnar joint stability in healthy subjects: Changes with dominant hand, sex, and age.

This study aimed to elucidate the differences in distal radioulnar stability in dominant/nondominant hand, sex, and age. Bilateral wrists of 60 healthy subjects were evaluated using force-monitoring ultrasonography. This apparatus was developed to apply cyclic compression and measure applied force to displacement during an ultrasound exam.

A Short-Duration Combined Exercise and Education Program to Improve Physical Function and Social Engagement in Community-Dwelling Elderly Adults.

Exercise is a key intervention for improving older adults' physical function and life expectancy. Here, we investigated a short-term intervention program designed to improve the physical functioning of elderly adults in a community-dwelling setting. We examined the effect of a 5-week combined exercise and education program on the physical function, social engagement, mobility performance, and fear of falling in 42 subjects older than 65 years.

Failure risks in anatomic single-bundle anterior cruciate ligament reconstruction via the outside-in tunnel technique using a hamstring autograft.

Purpose: To retrospectively evaluate the failure risk factors in anatomic single-bundle anterior cruciate ligament (ACL) reconstruction via outside-in tunnel technique using a hamstring autograft, and investigate the relationship between each risk factor.

Methods: The patients who underwent the ACL reconstruction with a minimum 1-year follow-up were included. We divided the patients into two groups - those who experienced graft failure (the failure group) and those who did not experience graft failure (the no failure group) - and compared their age, height, weight, sports activity level, graft size, and muscle strength.

Characteristics and factors of concussion events for tacklers in collegiate rugby union.

The purpose of this study was to determine the factors related to the occurrence of concussion in rugby tacklers. Match video records showing tackles leading to concussion were used to identify injury-inciting events. Additionally, noninjury tackles by concussed tacklers (prior to concussion) and position-matched tacklers from the same matches were used as a control cohort.

Contributions to the team score by male wheelchair basketball players with different physical capacities at the Rio 2016 Paralympics.

[Purpose] The contributions of male wheelchair basketball players with different capability classifications to the team score at the Rio 2016 Paralympics were evaluated. The roles required for team members belonging to each such classification were determined. [Participants and Methods] Statistics obtained from the official box scores of all 42 games included at the Rio 2016 Paralympics were used in this study.

Difference in contributions to the team's score in female wheelchair basketball at the 2016 Rio Paralympics by physical capability classification.

[Purpose] This study clarified differences in players' contributions to the team's score in female wheelchair basketball at the 2016 Rio Paralympics by physical capacity classification, and examined the roles required in the team. [Subjects and Methods] This study used stats (record of play contents) for players who played for more than 20 minutes from the official box scores of all 31 games at the 2016 Paralympics. Players were divided into three groups by physical capacity classification: low, middle, and high.

Efficacy and safety of certolizumab pegol without methotrexate co-administration in Japanese patients with active rheumatoid arthritis: the HIKARI randomized, placebo-controlled trial.

Objective: This 24-week, placebo-controlled, double-blind, randomized study (NCT00791921) investigated efficacy and safety of certolizumab pegol (CZP) in Japanese rheumatoid arthritis (RA) patients in whom methotrexate (MTX) cannot be administered.

Methods: A total of 230 patients were randomized to subcutaneous CZP 200 mg (induction dosing: 400 mg at Weeks 0, 2 and 4) or placebo every 2 weeks.

Results: ACR20 responses with CZP were rapid and significant versus placebo at Week 1, sustained to Week 12 (67.

Effect of tea catechins on mitochondrial DNA 4977-bp deletions in human leucocytes.

The catechins in green tea have antioxidative and antimutagenic effects. We examined the effect of green tea enriched with catechins on the presence of mitochondrial DNA (mtDNA) with a common 4977-bp deletion mutation (mtDNA4977) in human leucocytes. Ten healthy females [aged 20.

Serial changes in independent sitting in adults with severe cerebral palsy.

We investigated the natural course of independent sitting in 28 institutionalized patients with severe cerebral palsy (CP) and evaluated the factors associated with presence or absence of independent sitting during adulthood. Seventeen subjects (61%) who could not sit at the age of 10 years were never able to reach the milestone of independent sitting. Five (45%) of 11 subjects subsequently lost the ability to sit independently during the early stage of adult life.

Evaluation of hippocampal infolding using magnetic resonance imaging.

To investigate developmental morphological variation of the hippocampal formation, we evaluated the degree of hippocampal infolding in cross-sectional oblique coronal images of the cerebral peduncle and the superior cerebellar peduncle. We defined the hippocampal infolding angle as the angle between the vertical midline and the straight line connecting the medial superior margin of the subiculum with the lateral margin of the cornu ammonis. The angle increased slightly with age, and was larger in the superior cerebellar peduncle than in the cerebral peduncle and larger in the right superior cerebellar peduncle than in the left superior cerebellar peduncle.

[A follow-up study on mental and physical function function among stroke patients: comparisons between admission and discharge status in a rehabilitation-specialized hospital].

Purpose: To assess results of a 5 year-follow-up, in terms of disability, depression, quality of life, and social network in cases of stroke patients. This report deal with results at admission and discharge (in average, from 2.5 to 6 months of the onset) in a rehabilitation-specialzed hospital.

Dynamic changes of deleted mitochondrial DNA in human leucocytes after endurance exercise.

We examined the time course of the appearance and disappearance of deleted mitochondrial DNA (mtDNA) in human leucocytes after endurance exercise. Five untrained healthy females [aged 20.2 (0.