WebAug 8, 2024 · Orbicularis oris muscle, also known as musculus orbicularis oris is a complex, multi-layered muscle which attaches through a thin, superficial musculoaponeurotic system to the dermis of the upper lip and … WebC.orbicularis oris r D. isorius A 13 The ________ is a synergist of the latissimus dorsi; it extends, medially rotates, and adducts the humerus. A. teres major B. infraspinatus C. teres minor D. supraspinatus A 14 The ________ is known as the "boxer's muscle." A.serratus anterior B. flexor digitorum longus C. biceps brachii D. rectus abdominis A
Muscular System Anatomy and Physiology - Nurseslabs
Weborbicularis oris; closes mouth, purses and protrudes lips (kissing + whistling) zygomaticus ... synergist in forearm flexion. brachioradialis; synergist in forearm flexion. flexor digitorium superficialis deep muscle; visible at distal end of forearm; … WebSynergist – help prime movers - adds force to movement, reduce unnecessary or undesirable movement. ex: Fixators – are synergist that immobilize a bone or muscle origin - gives prime movers stable base in which to act ... Arrangement of fascicles: circular – orbicularis oris, orbicularis oculi, sphincters convergent – pectoralis major ... little bumps on my gums
Buccinator: Origin, insertion, innervation, function Kenhub
WebThe muscle has two, three, or four ORIGINS, respectively. The names of muscles often indicate the action of the muscle. What does the term levator mean? - The muscle is a fixator and stabilizes a bone or joint. - The muscle functions as a synergist. - The muscle elevates and/or adducts a region. - The muscle flexes and rotates a region. WebMay 17, 2024 · The word oris (oris = “oral”) refers to the oral cavity, or the mouth. The word oculi (ocular = “eye”) refers to the eye. When a muscle has a widespread expansion over a sizable area, but then the fascicles come to a single, common attachment point, the muscle is called convergent. WebThe muscle has no bony attachments. Its medial fibers are continuous with those of the procerus; its intermediate fibers blend with the corrugator and orbicularis oculi muscles, thus attached to the skin of the eyebrows; and its lateral fibers are also blended with the latter muscle over the zygomatic process of the frontal bone . little bumps on nipple