references
ACE Fitness Matters; New Study Puts the Crunch on Ineffective Ab Exercises; Mark Anders; May/June 2001
"Journal of Orthopaedic & Sports Physical Therapy"; An Electromyographic Analysis of Commercial and Common Abdominal Exercises: Implications for Rehabilitation and Training; Michael S.C. McTaggart, et al.; February 2006
To build your core with an ab roller, good exercise form is a must.
Image Credit: Mindful Media/E+/GettyImages
Image Credit: Mindful Media/E+/GettyImages
The Ab Roller Benefits Your Core, Upper Body and Glutes (If You Follow This Guide)
The 14 Best Ab Machines for At-Home Workouts, According to Trainers
ACE Fitness Matters; New Study Puts the Crunch on Ineffective Ab Exercises; Mark Anders; May/June 2001
"Journal of Orthopaedic & Sports Physical Therapy"; An Electromyographic Analysis of Commercial and Common Abdominal Exercises: Implications for Rehabilitation and Training; Michael S.C. McTaggart, et al.; February 2006