Rectus abdominis is popularly known as the abs muscle. It is a pair of long and flat muscle extending vertically along the entire length of the abdomen just near the umbilicus. The muscles have string of four fleshy muscular bodies that are joined by narrow bands of tendon. It gives the muscles a lumpy appearance

Abdominal Exercise Chart illustrates popular floor exercises that concentrate effort on strengthening and toning Abdominal and Core Muscles. Exercises are demonstrated highlighting the muscles targeted. Central anatomical illustration depicts each specific muscle's action. Additional information provided on Breathing and Exercise Technique Suitable exercises for all sporting activities and levels of fitness. Chartex Abdominal Exercise Chart provides an informative Training Aid and Reference Resource for Commercial and Home Gyms, Sports Clubs, Physiotherapists and Educational Facilities. Available in A1 A2 A3 size Laminated or Paper Format. PLEASE NOTE A3 chart text font size is small but compliant. Designed and published in UK exclusively by Chartex Charts Sent rolled In postal tube

Internal abdominal oblique is a part of the abdominal wall muscles which participates mainly in flexing the trunk. Learn more about it at Kenhub!

Known also as a six pack muscle, or abs muscle, rectus abdominis is the largest muscle of abdominal wall. Learn its anatomy and function now at Kenhub!

Here's a selection of Workout Programmes that I've tried and used myself so I can personally vouch for.