Morphological Changes in Quadriceps Muscles through 3-Week Combined Exercise using a Wearable Robot (EX1) in Young Adult

Guidelines encouraging social distancing, limited outings, and remote work due to COVID-19 have increased sedentary periods and reduced levels of physical activity. These habits increase the risk of metabolic diseases, obesity, cardiovascular disease, and diabetes mellitus. The World Health Organization recommends muscle-strengthening exercises as well as regular physical activity to promote overall health. This study investigates the effect of a wearable hip exoskeleton on muscle activity and heart rate during anaerobic exercise in 40 healthy adults (mean age of 40.00 ± 11.51 years; n = 20 females). Bot Fit, a wearable hip-type robotic exoskeleton, was developed by Samsung Electronics Co., Ltd. (Suwon, Republic of Korea) to enhance the effects of both aerobic and anaerobic exercise. All study participants performed a fitness exercise protocol, including knee-ups, good mornings, squats, mountain climbs, kick-backs, reverse lunges, and split jacks, with and without a Bot Fit. To evaluate the effect of anaerobic exercise with the Bot Fit, muscle activity and heart rate were measured during the performance of fitness exercises with and without a Bot Fit. Measured muscles included the rectus abdominis (RA), erector spinae (ES), rectus femoris (RF), vastus lateralis (VL), vastus medialis (VM), biceps femoris (BF), tibialis anterior (TA), gastrocnemius medialis (GCM), and gluteus maximus (GM). During anaerobic exercises with the Bot Fit, there was a significant increase in muscle activity compared to exercising without the Bot Fit. Muscle activity increased significantly in the RA, RF, VL, BF and TA muscles during knee-ups; in the ES, BF, and GM during good mornings; in the RF, VL, VM, BF, and GM during squats; in RA, RF, VL, VM, and GM during mountain climbs; in the RA and BF during kick-backs; in the RF, BF, and GCM during reverse lunges; and in the RF and VL during split jacks (p < 0.05). Heart rates showed a statistically significant increase during good mornings, mountain climbs, and reverse lunge exercises while wearing the Bot Fit (p < 0.05). This study demonstrated that anaerobic exercises by healthy adults using a Bot Fit led to enhanced activation of abdominal and lower-limb muscles as well as an improved heart rate, maximizing the effect of anaerobic exercise compared with the same exercise protocol without a Bot Fit. This suggests that use of a Bot Fit can increase the effectiveness of anaerobic exercise in healthy adults.

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Effect of wearable robot Bot Fit’s hip joint-centered assist torque and voice coach on walking

Shin,

Byeon,

et al. 2024

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Background The main key to the 4th industrial era is robots, and wearable robots are incorporated into human healthcare. Samsung Electronics' Bot Fit is a hip joint-centered assistive robot that can induce walking posture and energetic walking exercises. Methods This study is a cross-section study. Fifty-eight subjects consisting of older and younger adults participated. The straight walking test was conducted under the conditions of bare body, wearing the wearable robot Bot Fit assist mode, and applying voice coach. Spatio-temporal gait parameters were analyzed and the statistical significance level was set at 0.05. Results When assist mode and voice coach were applied, pelvic movement in 3 axes, stride length, walking speed, and swing phase ratio compared to the bare body increased, and in assist mode, the difference in left and right stride lengths decreased. Conclusion The appropriate combination of assist mode and voice coach can increase the effectiveness of walking exercise while wearing Bot Fit. Trial registration Clinical Research Information Service, KCT0007974. Registered 12/07/2022

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Morphological Changes in Quadriceps Muscles through 3-Week Combined Exercise using a Wearable Robot (EX1) in Young Adult

Cited by 3 publications

References 42 publications

Effect of wearable robot Bot Fit’s hip joint-centered assist torque and voice coach on walking

Effect of wearable robot Bot Fit’s hip joint-centered assist torque and voice coach on walking

A Wearable Hip Exoskeleton for Anaerobic Exercise in Healthy Adults

Effect of wearable robot Bot Fit’s hip joint-centered assist torque and voice coach on walking

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