Abs

The abdominal muscles, commonly referred to as abs, are a group of muscles located in the torso that are vital for core strength, stability, and movement. These muscles play an essential role in protecting the internal organs, maintaining posture, and facilitating movements such as bending, twisting, and lifting. Training and strengthening these muscles are often a focus in fitness, as strong abs contribute to overall strength and athletic performance, and can also enhance physical appearance.

The abdominal muscle group consists of several key muscles:

1. Rectus Abdominis – The “six-pack” muscle.
2. Obliques (External and Internal) – Located on the sides of the torso, responsible for rotation and side bending.
3. Transversus Abdominis – The deepest abdominal muscle, crucial for core stabilization.
4. Erector Spinae – While not technically part of the abs, these muscles in the lower back work in opposition to the abdominals to maintain a stable posture.

• Core Stability: Abdominal muscles are central to overall core strength, which includes all the muscles around the trunk and pelvis. Core stability is essential for nearly every movement, from walking and lifting to sports performance.
• Posture Support: The abs help keep the body upright and balanced, preventing slumping or overextension of the spine.
• Breathing Assistance: The transversus abdominis and other abdominal muscles assist with breathing, particularly during forceful exhalations such as coughing or heavy lifting.
• Injury Prevention: A strong core protects the spine and internal organs, reducing the risk of injury, especially during physical activities or heavy lifting.

Body Muscle

腹筋