Key result
Novel yogic breathing wearable tracks posture and respiration with ~97% heart rate accuracy vs standard devices.
Why the study?
Existing devices require smartphones, highlighting the need for a simple, cheap, and easy-to-use device to monitor heart rate, posture, and yogic breathing.
A newly developed wearable device can accurately monitor heart rate, posture, and breathing patterns during yogic exercises.
May aid real-time pranayama guidance; leaves open whether monitoring improves clinical outcomes or adherence.
BACKGROUND: Yogic breathing also called as "Pranayama" is practiced with inhalation (Pooraka), holding the breath for some time (Kumbhaka) and then exhalation (Rechaka). The effective methods of yogic breathing keep oneself healthy and also improves immunity power. The yogic breathing can be practiced irrespective of one's age and gender and even in the office which helps to reduce the stress. To get the best results through yoga, a person has to follow certain timings and sit in a correct posture. Although many devices are existing in the market to monitor heart rate, posture and breathing during physical activity, there is a need of a device which is simple, cheap, and easy to use without an additional requirement of a smartphone. Moreover, the proposed device is able to evaluate the breathing data by transmitting it to a webpage through a Wi-Fi hotspot of the Microcontroller. METHODS: The developed device has two subsystems: (i) A wrist subsystem to measure the heart rate, visual aid of breathing and vibration feedback for kapalabhati. (ii) A waist subsystem to monitor the posture with help of flex sensor and the results are displayed on the display of the wrist device. It also provides vibration feedback. The inertial measurement unit is used for breath detection. The subsystems are communicated through SPI communication. The breathing data are transmitted to a webpage through a Wi-Fi hotspot of the microcontroller. RESULTS: The various yogic breathing and normal breathing exercises are tested on different normal subjects using the developed device and analyzed. The heart rate and beats per minute are evaluated. The heart rate sensor is validated using a standard medical device and it is observed that there was a 97.4% accuracy. CONCLUSION: The results show that the device is able to accurately monitor different kinds of breathing and additionally provide heart rate and posture information while performing the breathing exercises.
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A 2021 study studied Healthy. Wearable device for yogic breathing vs. Standard medical device was evaluated on Heart rate sensor accuracy. A newly developed wearable device for yogic breathing accurately monitored breathing, posture, and heart rate, demonstrating 97.4% accuracy for heart rate compared to a standard medical device.
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