03. Extra ocular muscles – origin, insertion, nerve supply and action.
Extra ocular muscles
·
Our body is billed on more part combination, like
as muscles, nerves, blood vessels, lymph’s, bones, other of ligaments and
tendons. You know that
· the sensery organ of eye had same combination had like as The Body, all systems directly connection with it.
·
Eye is located in bony orbit, and more muscles
help movement of the eye.
·
7 extrinsic muscles are 6 extraocular muscles and
the levator palpebrae superioris muscle
·
Extraocular muscles control eye movement and the
levator palpebrae superioris muscle control eyelid elevation.
·
The levator palpebrae superiors not produce eye
movement but the eye lids movement important protection and prevent dry.
·
Extraocular
muscles can divide rectus muscles and oblique muscles.
· Rectus muscles movement cardinal direction and oblique muscles movement opposite side to the direction of motion.
·
4 types of Rectus muscles
1. median
Rectus muscles
2. lateral
Rectus muscles
3. superior
Rectus muscles
4. inferior
Rectus muscles
·
2 types of oblique muscles
1. Superior
oblique muscles
2. Inferior oblique muscles