What muscle is saw toothed?

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What muscle is saw toothed?


Characteristic Examples Human muscles named this way
Shape Deltoid – triangular Trapezius – trapezoidal Serratus – saw-tooth edge Orbicularis – circular Deltoid Trapezius Serratus anterior Orbicularis oris
Action of muscle Flexion Extension Adduction Flexor carpi radialis Extensor digitorum Adductor longus

What does the serratus muscle do?

The serratus anterior muscle pulls the scapula forward around the thorax, which allows for anteversion and protraction of the arm.

What causes winging of the scapula?

Most lesions associated with winged scapula are the result of blunt trauma due to repetitive movements, as seen in athletics. The most common cause of scapular winging is paralysis of the serratus anterior muscle due to the injury of the long thoracic nerve.

What is the diamond shaped muscle called?

The paired trapezius muscles form a diamond that attaches medially to the superior nuchal line of the occiput, the external occipital protuberance, ligamentum nuchae, and apices of the spinous processes and their supraspinous ligaments from C7 down to T12.

What are the 11 actions of muscles in our body?

Eleven main functions of the muscular system

  • Mobility. The muscular system’s main function is to allow movement.
  • Stability. Muscle tendons stretch over joints and contribute to joint stability.
  • Posture.
  • Circulation.
  • Respiration.
  • Digestion.
  • Urination.
  • Childbirth.

How do I strengthen my serratus?

To do this move, get into a push-up position and straighten your arms as indicated in the photo below. Carefully slide your shoulder blades inward towards each other, then outwards away from each other. Repeat this movement ten times. You can also do a wall exercise for your serratus anterior.

Can scapular winging be cured?

Nonsurgical treatment Cases of scapular winging caused by damage to the serratus anterior nerve sometimes heal on their own within two years. Your doctor may also recommend light physical therapy or using a brace for several months early in your recovery.

What is the largest muscle in the upper body?

latissimus dorsi
The pair of muscles are commonly known as “lats”, especially among bodybuilders. The latissimus dorsi is the largest muscle in the upper body.

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