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muscle origins

head, neck and trunk

muscles origin and insertion
Temporalis Origin: lateral aspect of skull Insertion: coronoid process of mandible
Masseter Origin: zygomatic arch Insertion: Angle/ ramus of mandible
Medial Pterygoid Origin: pterygoid process of sphenoid bone Insertion: Medial surface of mandible
Digastric Origin: mandible ( anterior belly) and Mastoid of temporal (posterior belly) Insertion: hyoid
Mylohoid Origin: mandible Insertion: Hyoid
Stylohyoid Origin: Styloid process of temporal Insertion: Hyoid
Sternohyoid Origin: Sternum Insertion: Hyoid
Omohyoid Origin: Scapula Insertion: Hyoid
Sternocleidomastoid Origin: Sternum, Clavicle Insertion: mastoid process of temporal
Splenius Capitis Origin: Upper thoracic vertebrae Insertion: Temporal and occipital
Diaphragm Origin: Inferior rib cage, lumbar vertebrae Insertion: Central tendon in thorax/abdomen
External intercostal Origin: superior rib Insertion: inferior rib
Internal intercostal Origin: inferior rib Insertion:superior rib
Pectoralis minor Origin: ribs (3-5) Insertion: coracoid process of scapula
Scalenes Origin: Cervical vertebrae Insertion: first two ribs
rectus abdominis Origin: pubis Insertion: xiphoid process
External oblique Origin: lower 8 ribs Insertion: iliac crest pubis
Internal oblique Origin: Anterior iliac crest Insertion: lower ribs
Transversus abdominis Origin: lower 6 ribs, iliac crest Insertion: linea alba
Serratus anterior Origin: Ribs Insertion:Medical boarder of scapula
Trapezius Origin: Occipital vertebrae Insertion: Spine and acromion of scapula, clavicle
Levator scapulae Origin: transverse processes of cervical vertebrae Insertion: superior angle, medial border of scapula
Rhomboideus major Origin: spinous processes of T2-T5 vertebrae Insertion: medial border of scapula
Rhomboideus minor Origin: spinous processes of C7-T1 Insertion: medial border of scapula
Quadratus lumborum Origin: iliac crest Insertion: last rib and lumbar vertebrae
Created by: Mlindsay801



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