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What are Abdominals?

Online Glossary / Quick Reference

The large muscles of the anterior abdominal wall; part of the core group of muscles that move the trunk in flexion, lateral flexion, and rotation. The "abs" include the rectus abdominis, internal obliques, and external obliques.

About Abdominals

The abdominals, often referred to as "abs," are a crucial group of muscles located on the anterior abdominal wall. These muscles are integral to the core, providing support and movement for the trunk. The primary muscles within this group include the rectus abdominis, internal obliques, and external obliques.

The rectus abdominis is perhaps the most well-known, often associated with the "six-pack" appearance. This long, flat muscle runs vertically along the front of the abdomen and is responsible for flexing the spine, such as when performing a crunch or sit-up. The internal and external obliques are located on the sides of the abdomen. The internal obliques lie beneath the external obliques and run diagonally in the opposite direction. These muscles work together to facilitate trunk rotation and lateral flexion, as well as to stabilize the core during various movements.

The importance of strong abdominal muscles extends beyond aesthetics. They play a vital role in maintaining posture, supporting the spine, and enabling efficient movement and balance. Additionally, they assist in breathing, particularly in forced expiration. Strengthening the abdominals can enhance athletic performance, reduce the risk of injury, and improve overall functional fitness.

Incorporating exercises that target the different muscles of the abdominals, such as planks, leg raises, and twists, can help develop a strong and resilient core. Understanding the anatomy and function of the abdominals is essential for designing effective fitness programs and achieving optimal health and performance.

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