Vasco Nunez de Balboa went on to discover new lands and was appointed governor of different regions in the Americas. One of his biggest achievements was that of crossing over the southern part of the continent by crossing the present day Isthmus of Panama.
extraocular m's the six voluntary muscles that move the eyeball: superior, inferior, middle, and lateral recti, and superior and inferior oblique muscles. See appendix 3-4. extrinsic muscle one that originates in another part than that of its insertion, as those originating outside the eye, which move the eyeball. fixation m's (fixator m's) accessory muscles that serve to steady a part. gluteal m's three muscles, the greatest, middle, and least, that extend, abduct, and rotate the thigh.
Answer by Cartmell. Confidence votes 177. Extrinsic muscles are voluntary muscles,external to the eye, that control the direction the eye moves in e.g looking left or right. Intrinsic muscles are within the eye, such as those that control the size of the pupil.Intrinsic muscle is not under voluntary control.xtrinsic muscles are voluntary muscles,external to the eye, that control the direction the eye moves in e.g looking left or right.