Eye Model: When eye adducts, elevating and depressing ability of vertical rectus muscle increases.
True
False

Question

When eye adducts, elevating and depressing ability of vertical rectus muscle increases.
True
False

MUHAMMAD NAQIUDDIN BIN MD ASRI · Accepted Answer

False. When eye adducts, the vertical rectus muscle becomes perpendicular to the sagittal axis, then contraction of the superior or inferior rectus muscle will cause no vertical movement.

Eye Model

When eye adducts, elevating and depressing ability of vertical rectus muscle increases. True False

False. When eye adducts, the vertical rectus muscle becomes perpendicular to the sagittal axis, then contraction of the superior or inferior rectus muscle will cause no vertical movement.

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