The latissimus dorsi (/ ləˈtɪsɪməs ˈdɔːrsaɪ /) is a large, flat muscle on the back that stretches to the sides, behind the arm, and is partly covered by the trapezius on the back near the midline.

Feb 4, 2025 · The latissimus dorsi muscle, commonly known colloquially as the ‘lats,’ is one of the largest muscles of the back, stretching across the lower posterior thorax. Its primary function is in …

Sep 13, 2025 · Your latissimus dorsi (your "lats") is a broad, flat, triangle-shaped muscle that spans your middle and lower back and extends to the front of your humerus (upper arm bone).

Nov 3, 2023 · The latissimus dorsi muscle (AKA: 'the lats muscle' or 'the lats') is the widest muscle in the human body. It is relatively thin and covers almost all back muscles at the posterior trunk, except the …

May 23, 2025 · Latissimus dorsi, often known as the ‘lats,’ is the broadest muscle in the human body that covers almost the entire back, overlying most other back muscles.

It is a large, flat, triangular muscle covering the lower back. It arises from the lower half of the vertebral column and iliac crest (hipbone) and tapers to a rounded tendon inserted at (attached to) the front of …

Nov 3, 2025 · The latissimus dorsi or "lats" muscles are large, flat muscles located below your shoulder blade. They help keep your back stable while you move your shoulders.

Mar 5, 2023 · The latissimus dorsi is a broad, flat muscle occupying most of the lower posterior thorax (see Image. Surface Anatomy of the Thorax). The muscle's primary function is to move the upper …

Oct 15, 2024 · Experts describe the latissimus dorsi muscles as accessory respiration muscles, meaning that they support major breathing muscles such as the diaphragm. They help when you take deep …

Mar 31, 2025 · Pain in the latissimus dorsi, or lats, can occur due to overuse. It may also result from improper technique in sports or other activities. Several exercises and stretches may help relieve lat...