A&P Lab Practical 2 Chart 03Vers

A&P Lab Practical 2 Chart 03Vers - Muscle Muscles of...

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Muscle Origin Insertion Action Muscles of Facial Expression Mentalis Incisive fossa of mandible Orbicularis Oris Elevates skin over chin Depressor Labii Inferioris Oblique line of mandible Orbicularis Oris Depresses lower lip Depressor Anguli Oris Oblique line of mandible Orbicularis Oris Depresses angle of mouth Risorius Superficial fascia of cheek Orbicularis Oris Abducts angle of mouth Buccinator Alveolar ridges of maxillae and  mandible Orbicularis Oris Retracts angle of mouth Zygomaticus Major/Minor Zygomatic bone Orbicularis Oris Elevates and abducts upper lip Levator Labii Superioris Maxilla and zygomatic bone Orbicularis Oris Elevates upper lip Nasalis Maxilla and nasal cartilage Aponeurosis of nose Dilates nostrils Levator Palpebrae Supercilii Lesser wing of sphenoid Superficial fascia under skin of  upper eyelid Elevates upper eyelids Corrugator Supercilli Supercilliary ridge of frontal  bone Superficial fascia under skin of  lateral end of eyebrow Depresses medial portion of  eyebrows Platysma Deep fascia of neck and upper  chest Superficial fascia under skin of  face below mouth Depresses lower lip Occipitofrontalis (frontal) Galea aponeurotica Superficial fascia under skin of  eyebrow Elevates eyebrows Occipitofrontalis (occipital) Nuchal line of occipital bone,  mastoid process of temporal  bone Galea aponeurotica Elevates eyebrows Muscles that Move the Forearm Biceps Brachii Supraglenoid (long  head)coracoid process of  scapula (short head) Radial tuberosity Flexes shoulders and elbows Brachialis Humerus Coronoid process of ulna Flexes elbow Brachioradialis Supracondylar ridge of humerus Styloid process of radius Flexes elbow
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Pronator Teres Medial epicondyle of humerus  and coronoid process of ulna Radius Pronates forearm Supinator Lateral epicondyle of humerus Radius Supinates forearm Triceps Brachii Infraglenoid tubercle of scapula  (long) humerus (medial/short  head) Olecranon process of ulna Extends elbow and shoulder,  adducts arm Anconeus Lateral epicondyle of humerus Ulna Extends elbow Muscles that Move the Scapula Trapezius Occipital bone, spines of  seventh cervical and thoracic  vertebrae Clavicle, spine and acromion  process of scapula Elevates, represses, retracts,  scapula; extends neck Rhomboideus Major/Minor Spines of seventh cervical and  upper five thoracic vertebraw Medial border of scapula Retracts scapula Levator scapulae Transverse processes of first-  fourth cervical vertebrae Scapula Elevates and retracts scapula,  laterally flexes neck Serratus anterior Upper eight or nine ribs Scapula Elevates ribs Pectoralis minor Third and fourth ribs Coracoids process of scapula Depresses scapula, elevates  ribs Muscles that Move the Spine Splenius Cervicis Spines of third to sixth thoracic  vertebrae
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A&P Lab Practical 2 Chart 03Vers - Muscle Muscles of...

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