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drawing the lip downward. mandible bone. lower lip. epicranius. raising eyebrows, wrinkling forehead, pulling scalp posteriorly. frontal belly, occipital belly, temporal bone. skin of brow, epicranial aponeurosis. lateral pterygoid. protruding the mandible, opening the jaw, moving the mandible outward and right and left.
Origin and Insertion points are available as a layer of the Skeletal System, which show a map of all attachment points across the full skeleton. Tap the Skeletal System Icon, and press the Plus button until you come to the Origin and Insertion layer (the fourth layers of the system). To hide the points, tap the Skeletal System icon and press ...
Dec 5, 2022 · Distal. Distalis. 1/2. Synonyms: Distal. The term distal is a directional term that is used to describe a position of a structure that is away or farthest away from the central point of the trunk or the point of origin of the body part. In addition, it can also describe a position that is farther to the central aspect of a linear structure.
Oct 30, 2023 · Gastrocnemius is a large muscle located in the posterior leg. Posteriorly, is the most superficial of the muscles of the leg, and forms the bulk of the calf. It takes its name from the Greek words γαστήρ (gaster) meaning stomach or belly, and κνήμη (kneme) meaning leg; the combination of the two words means the “belly of the leg ...
Aug 8, 2023 · The iliotibial band tract or IT band (ITB) is a longitudinal fibrous sheath that runs along the lateral thigh and serves as an important structure involved in lower extremity motion. The ITB is also sometimes known as Maissiat's band. The ITB spans the lower extremity on its lateral aspect before inserting on Gerdy's tubercle on the proximal/lateral tibia.
By Sarah Moore. Muscles generally work by attaching to two separate points in the body, the insertion and the origin. In anatomy, an insertion describes the point of attachment in a muscle where more movement occurs. The origin is the other point of attachment, but it is usually more of an anchoring point than a point of movement.
Nov 3, 2023 · Brachioradialis is a fusiform muscle located in the lateral part of the posterior forearm. Along with extensor carpi radialis brevis and extensor carpi radialis longus, it comprises the radial group of forearm muscles, which belong to the superficial layer of posterior forearm muscles. Although anatomically part of the posterior forearm muscles ...