Spring_2022_A_P_221_Muscle_Chart_-_Copy
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Southern University and A&M College *
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231
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Anatomy
Date
Apr 3, 2024
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docx
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7
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Anatomy & Physiology 221
Muscle Chart
Directions: After completing the Muscle Visible Body utilizing the chart template below, you will identify the specific muscles groups for each section of the chart and type in all required information for each. Number each muscle and if the muscle is located on the right and left side, please signify that by writing R&L. This assignment requires the use of your lab manual. This is not a hard assignment, just time consuming. The document is editable.
Head Face
Muscle(s)
Occipitalis, Auricularis anterior ,Frontalis Temporalis
Mentalis, Orbicularis oculi, Orbicularis oris, Risorius, Depressor anguli oris, Zygomaticus major, Buccinato
Cartilage
Hyaline cartilage
Hyaline cartilage
Tissue Composition
Combination of skeletal muscle fibers, tendons, and associated connective tissue Combination of skeletal muscle fibers, tendons, and associated connective tissue
Action
movement of the head and neck, chewing and swallowing, speech, facial
expressions, and of the eyes
control facial expression.
Location
Back of the neck
Eyes, lips, Mouth, cheek, mouth, eye, chin, mouth
Origin
temporal & frontal bones, occipital bone, & mastoid process
Zygomatic bone Motor region of maxilla and mandible
Insertion
Mandible, Skin around lips skin of eyebrow tissue of eyelid tissue of eyelid skin of chin skin and muscle at angle of mouth angle and ramus of mandible
Neck Throat
Muscle
Sternocleidomastoid, Scalene muscles (anterior, middle, and posterior), Splenius capitis, Longus colli, Levator scapulae
Pharyngeal constrictor muscles (superior, middle, and inferior)
Cartilage
Thyroid cartilage, cricoid cartilage, hyaline cartilage of the cervical vertebrae
Thyroid cartilage, cricoid cartilage, arytenoid cartilages, hyaline cartilage of the pharynx
Tissue Composition
Primarily skeletal muscle fibers with associated connective tissue
Smooth muscle fibers with some skeletal muscle in the superior constrictor
Action
Flexes and rotates the head
Constricts the pharynx during swallowing
Location
Runs obliquely across each side of the neck
Surrounding the pharynx
Origin
Manubrium of the sternum and medial portion of the clavicle
Various attachment points along the skull base, hyoid bone, and thyroid and cricoid cartilages
Insertion
Mastoid process of the temporal bone and superior nuchal line of the occipital bone
Pharyngeal raphe and posterior midline of the pharynx
Back Chest
Muscle
Trapezius, Rhomboids (major and minor), Erector spinae (iliocostalis, longissimus, spinalis), Teres major, Teres minor, Infraspinatus, supraspinatus Subscapularis
Pectoralis major, Pectoralis minor, Serratus anterior, Subclavius, External intercostal muscles, Internal intercostal muscles
Cartilage
Hyaline cartilage of the thoracic and lumbar vertebrae, costal cartilages
Costal cartilages, hyaline cartilage of the ribs, sternum
Tissue Composition
Large, flat skeletal muscle with associated connective tissue
Large, fan-shaped skeletal muscle with
associated connective tissue
Action
Extends, adducts, and internally rotates the arm at the shoulder joint
Flexes, adducts, and medially rotates the arm at the shoulder joint
Location
Backside of body Frontside of body Origin
Spinous processes of the lower thoracic and all lumbar vertebrae, iliac crest, thoracolumbar fascia, and lower ribs
Clavicle, sternum, and cartilage of the first six ribs
Insertion
Intertubercular groove of the humerus
Crest of the greater tubercle of the humerus
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