Term
| What is the origin of Semispinalis? |
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Definition
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Term
| What is the insertion of Semispinalis? |
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Definition
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Term
| What is the action of Semispinalis? |
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Definition
| Extends head, rotates vertebral column |
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Term
| What is the origin of Latissimus Dorsi? |
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Definition
| T7-T12,L1-L5, sacrum, iliac crest, ribs 10-12 |
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Term
| What is the insertion of Latissimus Dorsi? |
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Definition
| Intertubercular groove of humerus |
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Term
| What is the action of Latissimus Dorsi? |
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Definition
| Adducts, extends, and medially rotates arm, pulls shoulder inferiorly |
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Term
| What is the origin of Masseter? |
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Definition
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Term
| Whats the insertion of Masseter? |
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Definition
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Term
| What is the action of Masseter? |
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Definition
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Term
| What is the origin of Depressor Labii Inferioris? |
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Definition
| Inferior border of mandible |
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Term
| What is the insertion of Depressor Labii Inferioris? |
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Definition
| Skin of inferior lip, and orbicularis oris muscle |
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Term
| What is the action of Depressor Labii Inferioris? |
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Definition
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Term
| What is the origin of Platysma? |
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Definition
| Fascia over pectoralis major and deltoid muscles |
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Term
| What is the insertion of Platysma? |
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Definition
| Mandible and skin inferior to lower lip |
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Term
| What is the action of Platysma? |
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Definition
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Term
| What is the origin of Buccinator? |
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Definition
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Term
| What is the insertion of Buccinator? |
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Definition
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Term
| What is the action of Buccinator? |
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Definition
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Term
| What is the origin of Digastric? |
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Definition
| Anterior, inferior mandible, mastoid notch of temporal bone |
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Term
| What is the insertion of Digastric? |
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Definition
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Term
| What is the action of Digastric? |
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Definition
| Protracts, retracts, and elevates hyoid, opens mandible |
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Term
| What is the origin of Sternocleidomastoid? |
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Definition
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Term
| What is the insertion of Sternocleidomastoid? |
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Definition
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Term
| What is the action of Sternocleidomastoid? |
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Definition
| One: rotates and extends head, both: flexes neck |
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Term
| What is the origin of Sternohyoid? |
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Definition
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Term
| What is the insertion of Sternohyoid? |
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Definition
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Term
| What is the action of Sternohyoid? |
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Definition
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Term
| What is the origin of occipitalis? |
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Definition
| Occipital bone and temporal bone |
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Term
| What is the insertion of occipitalis? |
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Definition
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Term
| What is the action of Occipitalis? |
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Definition
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Term
| What is the origin of Frontalis? |
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Definition
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Term
| What is the insertion of Frontalis? |
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Definition
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Term
| What is the action of Frontalis? |
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Definition
| Raises eyebrows, pulls scalp anteriorly |
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Term
| What is the origin of Zygomaticus? |
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Definition
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Term
| What is the insertion of Zygomaticus? |
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Definition
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Term
| What is the action of Zygomaticus? |
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Definition
| Elevates corners of mouth BBC cd (in a smile or laugh) |
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Term
| What is the origin of Mylohyoid? |
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Definition
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Term
| What is the insertion of Mylohyoid? |
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Definition
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Term
| What is the action of Mylohyoid? |
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Definition
| Elevates floor of oral cavity |
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Term
| What is the origin of Temporalis? |
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Definition
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Term
| What is the insertion of Temporalis? |
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Definition
| Coronoid process and ramus of the mandible |
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Term
| What is the action of Temporalis? |
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Definition
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Term
| What is the origin of Trapezius? |
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Definition
| Occipital protuberance, ligamentum nuchae, C7-T12 |
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Term
| What is the insertion of Trapezius? |
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Definition
| Clavicle, acromion, and spine of scapula |
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Term
| What is the action of Trapezius? |
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Definition
| Abducts and extends head, rotates and adducts scapula |
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Term
| What is the origin of Sternothyroid? |
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Definition
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Term
| What is the insertion of Sternothyroid? |
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Definition
| Thyroid cartilage of larynx |
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Term
| What is the action of Sternothyroid? |
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Definition
| Depresses thyroid cartilage |
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Term
| What is the origin of Medial and Lateral Pterygoids? |
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Definition
| Pterygid processes of sphenoid bone |
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Term
| What is the insertion of Medial and Lateral Pterygoids? |
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Definition
| Ramus and condylar process of mandible on medial side |
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Term
| What is the action of Medial and Lateral Pterygoids? |
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Definition
| Lateral movement of mandible |
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Term
| What is the origin of Omohyoid? |
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Definition
| Superior border of scapula |
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Term
| What is the insertion of Omohyoid? |
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Definition
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Term
| What is the action of Omohyoid? |
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Definition
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Term
| What is the origin of Levator Scapulae? |
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Definition
| Transverse processes of C1-4 |
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Term
| What is the insertion of Levator Scapulae? |
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Definition
| Superior angle of scapula |
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Term
| What is the action of Levator Scapulae? |
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Definition
| Elevates scapula, rotates and abducts neck |
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Term
| What is the origin of Splenius? |
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Definition
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Term
| What is the insertion of Splenius? |
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Definition
| C2-4, occipital bone, temporal bone |
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Term
| What is the action of Splenius? |
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Definition
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Term
| What is the origin of Orbicularis Oris? |
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Definition
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Term
| What is the insertion of Orbicularis Oris? |
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Definition
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Term
| What is the action of Orbicularis Oris? |
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Definition
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Term
| What is the origin of Scalenus? |
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Definition
| Transverse process of C 2-6 |
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Term
| What is the insertion of Scalenus? |
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Definition
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Term
| What is the action of scalenus? |
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Definition
| Flexes and rotates neck, elevates first and second ribs |
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Term
| What is the origin of Orbicularis Oculi? |
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Definition
| Frontal bone and maxilla on medial orbit |
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Term
| What is the insertion of Orbicularis Oculi? |
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Definition
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Term
| What is the action of Orbicularis Oculi? |
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Definition
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Term
| What is the origin of Mentalis? |
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Definition
| Anterior, medial mandible |
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Term
| What is the insertion of Mentalis? |
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Definition
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Term
| What is the action of Mentalis? |
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Definition
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