Rekabizaheh, Mahboobeh, Asghar Rezasoltani, Behzad Lahouti, and Newsha Namavarian. 2016. “Pennation Angle and Fascicle Length of Human Skeletal Muscles to Predict the Strength of an Individual Muscle Using Real-Time Ultrasonography: A Review of Literature”. Journal of Clinical Physiotherapy Research 1 (2):42-48. https://doi.org/10.22037/jcpr.v1i2.13712.