Abdominal Muscle Strain Exercises: References

Kisner C, Colby L. Therapeutic Exercise: Foundations and Techniques. 6th ed. Philadelphia: F. A. Davis Company; 2012.

Tayashiki K, Takai Y, Maeo S, Kanehisa H. Intra-abdominal Pressure and Trunk Muscular Activities during Abdominal Bracing and Hollowing. International Journal of Sports Medicine. 2015;37(02):134-143. doi:10.1055/s-0035-1559771.