Lewis, C. L., & Sahrmann, S. A. (2009). Muscle activation and movement patterns during prone hip extension exercise in women. Journal of athletic training, 44(3), S. 238-248. doi:10.4085/1062-6050-44.3.238

Lewis, Cara L., and Shirley A. Sahrmann. "Muscle Activation and Movement Patterns During Prone Hip Extension Exercise in Women." Journal of Athletic Training 44, no. 3 (2009): S. 238-248.

Lewis, Cara L., and Shirley A. Sahrmann. "Muscle Activation and Movement Patterns During Prone Hip Extension Exercise in Women." Journal of Athletic Training 44.3 (2009): S. 238-248.