Jun-Tae Hong

Importance: Cerebral palsy (CP) is the most common developmental motor disorder in children. Robot-assisted gait training (RAGT) using a wearable robot can provide intensive overground walking experience. Objective: To investigate the effectiveness of overground RAGT in children with CP using an untethered, torque-assisted, wearable exoskeletal robot. Design, Setting, and Participants: This multicenter, single-blind randomized clinical trial was conducted from September 1, 2021, to March 31, 202

BACKGROUND: Wearable devices for robot-assisted gait training (RAGT) provide overground gait training for the rehabilitation of neurological injuries. We aimed to evaluate the effectiveness and safety of RAGT in patients with a neurologic deficit. METHODS: Twenty-eight patients receiving more than ten sessions of overground RAGT using a joint-torque-assisting wearable exoskeletal robot were retrospectively analyzed in this study. Nineteen patients with brain injury, seven patients with spinal co

During standing trials, static PBS standing scores negatively correlated with more AP displacement and velocity than ML displacement and velocity (p < 0.05). During sitting trials, dynamic PBS sitting scores negatively correlated with ML displacement and velocity (p < 0.05). CoP parameters in the ML direction of the sitting position and CoP parameters in the AP direction of the standing position may better reflect the balance control in children with spastic CP.

Pediatric gait disorders are often chronic and accompanied by various complications, which challenge rehabilitation efforts. Here, we retrospectively analyzed the feasibility of overground robot-assisted gait training (RAGT) using a joint-torque-assisting wearable exoskeletal robot. In this study, 17 children with spastic cerebral palsy, cerebellar ataxia, and chronic traumatic brain injury received RAGT sessions. The Gross Motor Function Measure (GMFM), 6-min walk test (6 MWT), and 10-m walk te

Wearable robotic exoskeletons have emerged as promising technologies for enhancing gait rehabilitation and providing mobility assistance in individuals with neurological and musculoskeletal disorders. This narrative review summarizes recent advances in wearable robots-including both rigid exoskeletons and soft exosuits-and evaluates their clinical application across diverse conditions such as stroke, spinal cord injury, cerebral palsy, and Parkinson's disease. For rehabilitation purposes, these

Repetitive transcranial magnetic stimulation (rTMS) has been known to improve the motor function through modulation of excitability in the cerebral cortex. However, most studies with rTMS were limited to post-stroke patients with mild to moderate motor impairments. The effect of rTMS on severe upper-limb motor impairment remains unclear. Therefore, this study investigated the effects of rTMS on the upper extremity function in post-stroke patients with severe upper-limb motor impairment. Subjects

본 연구는 발효 김치 액으로부터 덱스트란 생산 균주를 분리하고 생산 최적 생산 조건을 정하기 위하여 반응표면 분석법을 이용하였다. 발효 조건의 독립변수들은 배양 온도,pH, 효모 추출물의 농도, 온도, 기질의 농도로 정하고 Box- Benken 디자인를 이용하여 실험을 설계하였다. 최종 분리된 균주는 Leuconostoc sp. strain SKY로 잠정적으로 명하였다. 연구 결과 덱스트란 생산은 3.90 - 22.40 g/l이고, 균체량 생산은 0.69-2.85 g/l, 수율은 0.10-0.64, 생산 속도 0.16-0.85 g/l-hr의 범위에서 분석이 되었다. 표면반응분석 결과 덱스트란 생산에 가장 영향을 미치는 것은 배양 pH이고 다음에 효모 추출물의 농도 그리고 온도의 순으로 나타났다. 균체량 생산에 가장 영향을 미치는 것은 배양 pH이고 다음에 효모 추출물의 농도 그리고 온도의 순으로 나타났다. 생산 수율에 가장 영향을 미치는 것은 배양 pH 이고 다음에 효모 추출물의 농

Objectives The gait disturbance in spastic paraplegic patients lowers the gait speed, increases fall risk and eventually lower the quality of life. This study aims to investigate the effect of electrical twitch obtaining intramuscular stimulation (ETOIMS) on spastic paraplegic patients’ gait speed and pattern. Methods A prospective short-term cohort study was designed in the outpatient clinic of the department of rehabilitation in a tertiary hospital. Patients with spastic paraplegia (N=5) were

Position-triggered ES may be useful to reducing poststroke shoulder subluxation.

Technological advances in neonatology led to the improvement of the survival rate in preterm babies with very low birth weights. However, intraventricular hemorrhage (IVH) has been one of the major complications of prematurity. IVH is relevant to neurodevelopmental disorders, such as cerebral palsy, language and cognitive impairments, and neurosensory and psychiatric problems, especially when combined with brain parenchymal injuries. Additionally, severe IVH requiring shunt insertion is associat

Walking on sloped surfaces requires additional effort; how individuals with spastic hemiplegic cerebral palsy (CP) manage their gait on slopes remains unknown. Herein, we analyzed the difference in gait adaptation between the affected and unaffected legs according to changes in the incline by measuring spatiotemporal and kinematic data in children with spastic hemiplegic CP. Seventeen children underwent instrumented three-dimensional gait analysis on a dynamic pitch treadmill at an incline of +1

Purpose of this study was a development of a sprayer arm auto control system that could be operated according to distance from pear trees for automation of pest control. Auto control system included two parts, hardware and software. First, controller was made with an MCU and relay switches. Two types of ultra-sonic sensors were installed to measure distance from pear trees: one on/off type that detect up to 3 m, and the other continuous type providing 0~5 V output corresponding to distance of 0~

Non-pharmaceutical intervention such as wearing a mask during the pandemic of SARS-CoV-2 is one of the most important ways to prevent the spread of the virus. However, despite high effectiveness and easy to access, the biggest problem is ‘discomfort’. The purpose of this study was to measure the changes of cardiopulmonary response and related factors affecting breathing discomfort when wearing a mask during vigorous exercise. Fifteen healthy male adults participated in this study. The experiment