Buccinator action Study guides, Class notes & Summaries

Orbicularis Oculi - Action & Innervation -:- Action: eye closure Innervation: facial nerve (CN VII) Obicularis Oris - Action & Innervation -:- Action: mouth closure: closes lips, protrudes lips forwards, presses lips against teeth Innervation: facial nerve CN VII Zygomaticus major/minor: Action & Innovation -:- Action: pull corners of lips upward Innervation: facial nerve CN VII Risorius: action & innervation -:- action: pulls the corners of the mouth posteriorly (grin or grimac...

abductor pollicis longus - Origin ulna, radius, Interosseous membrane Insertion 1st metacarpal Nerve Posterior interosseous nerve from deep branch of radial nerve C7, C8 Actions abduction, extension of thumb Antagonist Adductor pollicis muscle (note: Longus extends longer part of the thumb, brevis extends shorter part) Achilles tendon - attaches the gastrocnemius muscle to the heel bone aka calcaneal tendon adductor longus - Origin: Pubis Insertion: Femur Action: Adducts thigh adduct...

IUPUI Anatomy Yard Exam 3 Questions and Answers 100% Pass Origin - Answer- proximal Insertion - Answer- distal Buccinator Action - Answer- compresses cheeks Buccinator Origin&Insertion - Answer- Origin- alveolar processes of maxilla and mandible opposite the molar teeth Insertion- Blends into fibers of obicularis oris Mentalis Action - Answer- elevates, everts, and protrudes lower lip Mentalis Origin&Insertion - Answer- Origin- Incisive fossa of mandible Insertion- Skin of chin Orbicu...

Orbicularis Oculi Ξ -:- Action: eye closure Innervation: facial nerve (CN VII) Temporalis Ξ -:- Action: Elevates mandible, closes jaw Innervation: trigeminal nerve (CN V, mandibular branch) Orbicularis Oris Ξ -:- Action: mouth closure: closes lips, protrudes lips forward, presses lips against teeth Innervation: facial nerve (CN VII) Zygomaticus major/minor Ξ -:- Action: pull corners of lips upward Innervation: facial nerve (CN VII) Risorius Ξ -:- Action: pulls the corners...

5.1 Anatomy of the Muscular System: Introduction & Muscles of the Head, Neck, and Trunk ● Skeletal muscles under conscious control of body ○ Brain sends message through spinal cord, which attaches to muscle and then action is performed ● Peripheral nerves ○ Carry signal from CNS to specific muscle destination in order for movement to occur ● Messages from CNS to muscle called motor actions ● Nerves carry info from external environment to the CNS, called sensory input ● Te...

IUPUI Anatomy Yard Exam 3 All Answers Correct Origin Insertion proximal distal Buccinator Action compresses cheeks Buccinator Origin&Insertion molar teeth Origin- alveolar processes of maxilla and mandible opposite the Insertion- Blends into fibers of obicularis oris Mentalis Action elevates, everts, and protrudes lower lip Mentalis Origin&Insertion Insertion- Skin of chin Orbicularis Oris Action Origin- Incisive fossa of mandible compresses, purses lips (closes ...

Facial Muscles Anatomy SUU Test Questions and Answers orbicularis oris action - Answer- primarily closes and protrudes lips (kiss face) orbicularis oculi action - Answer-closes the eyelid risorius action - Answer-pulls corner of lips laterally zygomaticus (major and minor) action - Answer-raises corner of mouth (smiling) temporalis action - Answer-elevates and retracts mandible masseter action - Answer-elevates mandible what is the innervation of most facial muscles? - Answe...

NDEB SOLUTION MANUAL TEST BANK QUESTIONS AND ANSWERS 100%VERIFIED (NEW 1ST EDITION MADE FOR YOU) ALREADY PASSED. The principal reason for a cavosurface bevel on an inlay preparation is to A. remove undermined enamel. B. improve marginal adaptation. C. decrease marginal percolation. D. increase resistance and retention forms. correct answer: B. improve marginal adaptation. Lichen planus occurs most frequently on the A. buccal mucosa. B. tongue. C. floor of the mouth. D. gingiva. correc...

IUPUI Anatomy Yard Exam 3 Origin proximal Insertion distal Buccinator Action compresses cheeks

BIOD 151- Module 5 Questions and Correct Answers, With Complete Solution, Updated 2024. Why do the muscular and skeletal systems work together? To provide movement for the human body What are the 3 types of muscle tissue? Skeletal, smooth and cardiac Characteristics of skeletal muscles 1. Must have blood and nervous supply to provide movement 2. Are under conscious control Conscious control a person can consciously decide to use these muscles to complete an action How does communicat...