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.

Nov 3, 2023 · In this article we describe the anatomy and function of the latissimus dorsi muscle. The latissimus dorsi muscle spans over the lumbar and lower thoracic regions of the back. Depending on the origin, one can distinguish four parts of this muscle: All the fibers converge towards the proximal humerus.

The latissimus dorsi muscle is a broad, flat muscle that occupies the majority of the lower posterior thorax. The muscle's primary function is of the upper extremity but is also considered to be a respiratory accessory muscle. [1]

Oct 15, 2024 · There are multiple ways to treat a latissimus dorsi injury. Immediate self-care. You can take some steps at home to help treat your latissimus dorsi strain: Rest by avoiding activities such as...

Feb 4, 2025 · What is the latissimus dorsi muscle? 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 upper extremity movement. However, it also serves as a respiratory accessory muscle.

May 31, 2023 · The latissimus dorsi is a large muscle in your back. If injured, you may feel pain in several places, such as your shoulder blade, upper and lower back, arms, or fingers. The latissimus...

Feb 8, 2025 · The latissimus dorsi is a large back muscle that aids movements like reaching, lifting, and rotating your arms. Ice and rest are first steps to treating pain.

Apr 16, 2024 · 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. The flat spine muscle is one of the four superficial extrinsic back muscles, along with the trapezius, rhomboids, and levator scapulae.

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 extremity, but it is also considered an accessory muscle of respiration.

Aug 19, 2024 · The latissimus dorsi muscles or "lats" are triangular back muscles located below the shoulder blade and to the left and right of the spine. The lats are large muscles, extending from the shoulder blades, across the back, and to the pelvis.