Question

Which movement is most likely an action of the latissimus dorsi muscle?

Answer 1

The latissimus dorsi muscle is most likely responsible for adduction of the arm at the shoulder joint.

Step-by-step explanation:

The action most likely performed by the latissimus dorsi muscle is adduction of the arm at the shoulder joint. This means that the latissimus dorsi muscle pulls the arm towards the midline of the body. An example of this movement is when you bring your arm back to your side after raising it out to the side.

Answer 2

The latissimus dorsi muscle is responsible for shoulder extension, adduction, and medial rotation, actively engaged in activities such as rowing or pull-ups.

Step-by-step explanation:

The latissimus dorsi muscle, a broad, triangular axial muscle located on the inferior part of the back, is primarily responsible for movements that include shoulder extension, adduction, and medial rotation. During physical activities such as pulling on a rowing machine or performing pull-ups, the latissimus dorsi is actively engaged. Additionally, this muscle is involved when an individual moves their elbow back as if elbowing someone standing behind them, as it works to bring the arm down towards the body after it has been lifted.