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- Title
Robot-Assisted Ankle Rehabilitation Using the Hybrid Assistive Limb for Children after Equinus Surgery: A Report of Two Cases.
- Authors
Takahashi, Kazushi; Mutsuzaki, Hirotaka; Yoshikawa, Kenichi; Yamamoto, Satoshi; Koseki, Kazunori; Takeuchi, Ryoko; Mataki, Yuki; Iwasaki, Nobuaki
- Abstract
After equinus corrective surgery, repetitive exercises for ankle dorsiflexion and plantar flexion are crucial during rehabilitation. The single-joint Hybrid Assistive Limb (HAL-SJ) is an advanced exoskeletal robotic device with a control system that uses bioelectrical signals to assist joint motion in real time and demonstrates joint torque assistance with the wearer's voluntary movement. We present two cases of robot-assisted ankle rehabilitation after equinus surgery using the HAL-SJ in children. Case 1 was an 8-year-old boy, whereas case 2 was a 6-year-old boy. When they were allowed to walk without braces, training with the HAL-SJ was performed postoperatively for 20 min per session a total of eight times (2–4 sessions per week). Assessments were performed before and after HAL-SJ training. During gait analysis, case 1 had improved joint angles during the stance phase on the operated side; however, case 2 had improved joint angles during the stance and swing phases. The co-activation index values of the medial gastrocnemius and tibialis anterior muscles, which were high before training, decreased after training and approached the standard value. The HAL-SJ may provide systematic feedback regarding voluntary ankle dorsiflexion and plantar flexion and is considered to have motor learning effects.
- Subjects
SURGICAL robots; ANKLE; TIBIALIS anterior; MOTOR learning; ANKLE injuries; REHABILITATION; ASSISTIVE listening systems
- Publication
Pediatric Reports, 2022, Vol 14, Issue 3, p338
- ISSN
2036-7503
- Publication type
Case Study
- DOI
10.3390/pediatric14030041