A wearable and flexible ultrasonic sensor was developed for monitoring of skeletal muscle contraction. The sensor was constructed using a PVDF piezoelectric polymer film without a matching layer or backing material. Due to its lightness (less than 1 gram), thinness (200 μm) and flexibility, this sensor was wearable and enabled non-invasive and continuous muscle monitoring without restricting muscle movement, which is not feasible using a conventional handheld ultrasonic probe. The developed sensor was used to monitor muscle contractions in the index finger by ultrasonic pulse-echo measurements and in the forearm by through-transmission measurements. It was successfully demonstrated that the tissue thickness variations were measured in accordance with the muscle contraction performed.

Additional Metadata
Keywords Muscle monitoring, PVDF piezoelectric polymer, Skeletal muscle contraction, Tissue motion and displacement, Wearable and flexible ultrasonic sensor
Persistent URL dx.doi.org/10.1109/ULTSYM.2013.0291
Conference 2013 IEEE International Ultrasonics Symposium, IUS 2013
Almohimeed, I. (Ibrahim), Turkistani, H. (Hisham), & Ono, Y. (2013). Development of wearable and flexible ultrasonic sensor for skeletal muscle monitoring. Presented at the 2013 IEEE International Ultrasonics Symposium, IUS 2013. doi:10.1109/ULTSYM.2013.0291