Muscle Sensor Applications News

Electromyography (EMG) sensing technology and nerve conduction studies have a long history of success in diagnosing neurological disorders. Now with the advent of wearable EMG devices, these muscle sensors are finding success in other applications such as robot control, augmented reality, athletic performance training, and biofeedback.

The following sample of articles from around the web shows the diversity of practical applications for wearable muscle sensors (often demonstrated originally with older wired-style EMG sensors).

Protocol for a single-blind randomized controlled clinical trial to investigate the feasibility and safety of in-bed self-exercises based on electromyography sensor feedback in patients with subacute stroke

This is a pilot randomized controlled trial comparing conventional physical therapy with additional in-bed self-exercises based on electromyography sensor feedback and conventional physical therapy alone. Biofeedback using wearable sensors may provide opportunities for patients with stroke to effectively guide self-exercises with monitoring of muscular activities in hemiplegic lower limbs. This study aims to explore the feasibility and safety of in-bed self-exercises based on electromyography sensor feedback in patients with subacute stroke.

Read the article by Jung Hyun Kim, Byung-Mo Oh, Han Gil Seo, Sung Eun Hyun, Jong tae Han, Dae hee Kang, Woo Hyung Lee (December 30, 2024) https://doi.org/10.1371/journal.pone.0310178

January 10, 2025 Biofeedback - Therapy

Lower extremity muscle patterns and frontal plane biomechanics are altered in the contralateral knee of adults with osteoarthritis compared to asymptomatic adults

This study used EMG data to analyze biomechanics in those affected by knee osteoarthritis (OA) in the Journal of Electromyography and Kinesiology, Volume 75, April 2024. By: Sarah Remedios, Derek Rutherford

Surface electromyography was used to compare knee joint muscle activity during gait between the contralateral limb of individuals with knee osteoarthritis (OA) and an asymptomatic older adult group. The findings highlight the importance of exploring the implications of contralateral knee function of individuals with moderate knee OA, particularly considering the altered antagonist muscle activations, and heightened frontal plane moments.

April 11, 2024 Medical

How yoga poses can help ease lower back pain

This article published in Medical News Today describes a study showing how yoga could be an effective therapy for chronic low back pain. Electromyography was used to show muscular bioelectric activity in the lower back (which is associated with back pain) also improved.

Specifically, scientists looked at the flexion-relaxation phenomenon, which is a clinical tool to assess back pain. When someone bends forward, as if to touch their toes, this movement is known as trunk flexion. During flexion, the muscles of the lower back are engaged. However, at a certain point in the flexion, the muscles actually begin to relax again. How much the muscles are engaged or relaxed during this process can be measured through electromyography. Higher readings indicate more muscle tension which is associated with the risk of low back pain.

March 4, 2024 Biofeedback - Therapy

Muscles In Action

“Muscles in Action” by Mia Chiquier and Carl Vondrick, Columbia University. Using ANR M40 Muscle Sense sensors to create a bidirectional representation that predicts muscle activation from video, and conversely, reconstructs motion from muscle activation. In Proceedings of the IEEE/CVF International Conference on Computer Vision, October 2023.
Open Access versions, provided by the Computer Vision Foundation

November 15, 2023 University / DIY / Hobby

Surface EMG variability while running on grass, concrete and treadmill.

Read about this study to help qualify results from EMG data in the Journal of Electromyography and Kinesiology, Volume 62, February 2022. By: Morteza Yaserifara, Department of Exercise Physiology, University of Mazandaran, Mazandaran, Iran; and, Anderson Souza Oliveirab, Department of Materials and Production, Aalborg University, Aalborg, Denmark.

December 23, 2021 Biofeedback - Workout, Medical

Applications

Muscle Sensor Application Examples

Protocol for a single-blind randomized controlled clinical trial to investigate the feasibility and safety of in-bed self-exercises based on electromyography sensor feedback in patients with subacute stroke

Lower extremity muscle patterns and frontal plane biomechanics are altered in the contralateral knee of adults with osteoarthritis compared to asymptomatic adults

How yoga poses can help ease lower back pain

Muscles In Action

Surface EMG variability while running on grass, concrete and treadmill.

EMG diagnoses muscle weakness in the arms, legs, hands, and feet for Charcot-Marie-Tooth (CMT) disease.

Feedback from a pair of wireless muscle sensors used to ensure symmetrical workouts and optimize injury rehab.

Forearm electromyographic activity during the deadlift exercise is affected by grip type and sex.

EMG drone controller

EMG and nerve conduction studies in diagnostics of Guillain-Barre syndrome (GBS) associated with COVID-19

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