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The muscles are called the extraocular muscules, and they are the superior rectus, inferior rectus, medial rectus, lateral rectus, superior oblique, and inferior oblique.
The rectus abdominus muscles are on either side of the linea alba.
Nerves cannot move organs. Muscles move organs and nerves tell the muscles to move. The muscles that move the eye are the Superior Oblique, Inferior Oblique, Superior Rectus, Inferior Rectus, Medial Rectus, and Lateral Rectus.
No, smooth muscles are involuntary muscles. We can't control smooth muscles by our will. Only striated muscles (also known as skeletal muscles) can be controlled by will.
My guess is that laughing causes your ab muscles to contract (mostly the rectus abominus), and they can start hurting from muscle fatigue (similar if you do too many sit ups). Your breathing also gets messed up when you are laughing, so maybe they cramp up faster because of lack of oxygen too.
The ab muscles are the "rectus abdominis muscles."
Superior Rectus Medial Rectus InferiorRectus Superior Oblique Inferior Oblique Lateral Rectus
You have superior rectus, inferior rectus, medial rectus, lateral rectus, superior oblique and inferior oblique eye ball muscles, which control the movements of eye.
You can choose four of the six: Superior rectus, Inferior rectus, Medical rectus, Lateral rectus, Superior Oblique and Inferior Oblique.
Diastasis recti is a separation of the rectus abdominal muscles. Pregnancy is a common cause.
Superior rectus
Three muscles that act synergistically with the rectus femoris are the vastus lateralis, the vastus intermedius, and the vastus medialis. Together the four muscles compose the quadricep muscles of the thigh.