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A muscle contraction in which a muscle develops tension and the muscle shortens (as in lifting an object) is termed a(n) ___ contraction.
3 lis 2023 · It comprises the vertebral column (spine) and two compartments of back muscles; extrinsic and intrinsic. The back functions are many, such as to house and protect the spinal cord, hold the body and head upright, and adjust the movements of the upper and lower limbs.
6 lis 2024 · Some of your back muscles are visible (and trainable), while others lie deeper under your skin. Here’s an overview of the major muscles in your back that you can identify and effectively...
This broad, flat muscle extends from the lower back, wraps around the sides of the torso, and attaches to the humerus in the upper arm. It plays a key role in actions such as rotating and extending the arm and pulling it back, helping with climbing, and lifting heavy objects with your arms.
7 lip 2024 · Your back muscles are a complex network that helps you do everything from lifting a heavy box to staying comfortable when you’re glued to the couch watching a movie. No matter what you’re doing, you’re using your back muscles (especially because they help you breathe).
The extensor muscles are attached to back of the spine and enable actions like standing and lifting objects. These muscles include the large paired muscles in the lower back, called erector spinae, which help hold up the spine and the gluteal muscles.
3 lis 2023 · The muscles of the back are a group of strong, paired muscles that lie on the posterior aspect of the trunk. They provide movements of the spine , stability to the trunk, as well as the coordination between the movements of the limbs and trunk.
