top 5 ab workouts

Abdominal organs can be highly specialized in some animals. For example the stomach of ruminants (a suborder of mammals) is divided into four chambers - rumen, reticulum, omasum and abomasum. Vertebrates== In vertebrates, the abdomen is a large cavity enclosed by the abdominal muscles, ventrally and laterally, and by the vertebral column dorsally.

Abdominal exercises and workouts. Learn from experts using our Abdominal exercise database filled with detailed instructions and video.

abdomi*nal (æbˈdɒm ə nl) adj. n. Noun 1. abdominal - the muscles of the abdomen skeletal muscle, striated muscle - a muscle that is connected at either or both ends to a bone and so move parts of the skeleton; a muscle that is characterized by transverse stripes Adj. 1.

SuperAbs Resource Manual Len Kravitz, Ph.D. INTRODUCTION Although you are regularly bombarded with exercises claiming to tone and strengthen the abdominal muscles, many of these exercises are inadequate and ineffective. Some exercises may actually lead to lower back pain, and do little to strengthen the abdominals.