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abducts, intorts, and depress eye. right medial, superior, and inferior recti (superior and inferior oblique muscles are the synergists) 2. 1. oblique, inferior. head, extraocular (left/right) orbital surface of maxilla, lateral to lacrimal groove. laterally onto eyeball, deep to lateral rectus, by a short flat tendon.
Skeletal muscle (commonly referred to as muscle) is one of the three types of vertebrate muscle tissue, the other being cardiac muscle and smooth muscle. They are part of the voluntary muscular system [1] and typically are attached by tendons to bones of a skeleton. [2] [3] The skeletal muscle cells are much longer than in the other types of ...
The head of a muscle, also called caput musculi is the part at the end of a muscle at its origin, where it attaches to a fixed bone. Some muscles such as the biceps have more than one head. Insertion. The insertion of a muscle is the structure that it attaches to and tends to be moved by the contraction of the muscle.
9:00 pm. The father appears on the cameras passing again and again, up to nine times, in front of the lens of the bank branch; 9:05 pm. Asunta's mobile phone registers one connection, followed by around 20 others to various phones; 10:31 pm. The parents report Asunta's disappearance at the central police station in Santiago de Compostela; 0:39 am.
Palmar interossei muscles. In human anatomy, the palmar or volar interossei ( interossei volares in older literature) are four muscles, one on the thumb that is occasionally missing, and three small, unipennate, central muscles in the hand that lie between the metacarpal bones and are attached to the index, ring, and little fingers. [1]
Cremaster is an involuntary muscle, responsible for the cremasteric reflex; a protective and physiologic superficial reflex of the testicles. The reflex raises and lowers the testicles in order to keep them protected. Along with the dartos muscle of the scrotum, it regulates testicular temperature, thus aiding the process of spermatogenesis.
A pennate or pinnate muscle (also called a penniform muscle) is a type of skeletal muscle with fascicles that attach obliquely (in a slanting position) to its tendon. This type of muscle generally allows higher force production but a smaller range of motion. [1] [2] When a muscle contracts and shortens, the pennation angle increases.
The temporalis muscle is the most powerful muscle of the temporomandibular joint. The temporalis muscle can be divided into two functional parts; anterior and posterior. The anterior portion runs vertically and its contraction results in elevation of the mandible (closing the mouth). The posterior portion has fibers which run horizontally and ...