Muscle Chart You will be responsible for identifying the following muscles on a (diagram, picture, or illustration) as well as learning each muscles origin, insertion, and action Muscles of the Head: Origin Insertion Action Muscle Frontalis Occipital Bone Skin & Muscle around Draws scalp forwards, eyes wrinkles forehead Occipitalis Occipital Bone Skin & Muscle around Draws scalp forwards, eyes wrinkles forehead Orbicularis oculi Maxillary and frontal Skin around eye Closes eye as in bone blinking Orbicularis oris Muscle near the Skin around lips Closes lip, protrudes mouth lips as for kissing Buccinator Maxilla and mandible Orbicularis oris Compresses cheeks inward as when blowing air Platysma Fascia in upper chest Lower border of Pouting/ frowning mandible Zygomaticus Zygomatic Bone Orbicularis oris Raises corner of mouth as when smiling Masseter Zygomatic arch Mandible Elevates mandible Temporalis Temporal bone Coronoid process and Elevates mandible mandible Medial pterygoid Sphenoid, palatine, Medial surface of Elevates and moves and maxillary bones mandible mandible side to side Lateral pterygoid Sphenoid bone Mandibular condyle Depresses and protracts mandible Sternocleidomastoid Sternum and clavical Temporal bone Pulls head to one side or another and down Muscles of the Origin Insertion Action Pectoral Girdle: Muscle Trapezius Occipital bone and Clavicle and scapula Rotates scapula cervical and thoracic vertebrae Rhomboideus Cervical and Thoracic Scapula Retracts, elevates, and vertebrae rotates scapula Levator scapulae Cervical vertebrae Scapula Elevates scapula Serratus anterior Upper ribs Scapula Pulls scapula anteriorly and downward Pectoralis minor Upper Ribs Scapula Pulls scapula forward/downward or raises ribs Pectoralis major Clavicle, sternum, and Humerus Flexes, adducts, and costal cartilage of rotates arm medially upper ribs
Muscle Chart You will be responsible for identifying the following muscles on a (diagram, picture, or illustration) as well as learning each muscles origin, insertion, and action Muscles of the Head: Muscle Origin Insertion Action Frontalis Occipital Bone Skin & Muscle around eyes Draws scalp forwards, wrinkles forehead Occipitalis Occipital Bone Skin & Muscle around eyes Draws scalp forwards, wrinkles forehead Orbicularis oculi Maxillary and frontal bone Skin around eye Closes eye as in blinking Orbicularis oris Muscle near the mouth Skin around lips Closes lip, protrudes lips as for kissing Buccinator Maxilla and mandible Orbicularis oris Compresses cheeks inward as when blowing air Platysma Fascia in upper chest Lower border of mandible Pouting/ frowning Zygomaticus Zygomatic Bone Orbicularis oris Raises corner of mouth as when smiling Masseter Zygomatic arch Mandible Elevates mandible Temporalis Temporal bone Coronoid process and mandible Elevates mandible Medial pterygoid Sphenoid, palatine, and maxillary bones Medial surface of mandible Elevates and moves mandible side to side Lateral pterygoid Sphenoid bone Mandibular condyle Depresses and protracts mandible Sternocleidomastoid Sternum and clavical Temporal bone Pulls head to one side or another and down Muscles of the Pectoral Girdle: Muscle Origin Insertion Action Trapezius Occipital bone and cervical and thoracic vertebrae Clavicle and scapula Rotates scapula Rhomboideus Cervical and Thoracic vertebrae Scapula Retracts, elevates, and rotates scapula Levator scapulae Cervical vertebrae Scapula Elevates scapula Serratus anterior Upper ribs Scapula Pulls scapula anteriorly and downward Pectoralis minor Upper Ribs Scapula Pulls scapula forward/downward or raises ribs Pectoralis major Clavicle, sternum, and costal cartilage of upper ribs Humerus Flexes, adducts, and rotates arm medially
muscle_chart_key.docx