The erector spinae
Erector spinae
Erector Spinae
The major ones are called erectors and they extend the spinal column.
Yes, the doral musculature of the body acts to extend joints. For instance, the triceps extends the arms, and the paraspinal muscles extend the spine.
Erector Spinae. These muscles extend the spine and maintain the vertebral column in an erect posture.
the muscles in the back help stablize the spine
These muscles are the core and they give proper posture to the body. That is they support the spine and maintain their optimal position and in turn helps in protecting the spine. for spine, maintaining proper posture is the best protection. So along with lower back muscles the abdominal and oblique muscles help protect the spine
Extensor muscles extend or straighten a body part.
Longissimus Spinalis Semispinalis Iliocostalis, a minor role in extension but a major role in lateral bending and twisting of the spine Multifidius, a stabilizer muscle, plays a minor role in back extension
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Muscles can contract and shorten
The spine is flexible, but can also experience strains and sprains. Most gymnasts do tricks and skills that over-extend the back and stress the muscles. Plus, gymnasts begin training when their bodies are still developing. A gymnast who is barely 15-years old could have already injured her spine and supporting muscles and nerves.