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Download Chap 10 Muscles, Part II
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Chap 10 Muscles, Part II Learning Objectives continued Review and learn all muscles on these slides. Warm-Up Practice, pg 295 - 296 Instructions: Matching. Write correct answer in your notes next to this slide. 1. Main muscle of the scalp a) platyma 2. Nerve that innervates muscles of the scalp, face b) Orbicularis oris 3. Muscle that closes lips c) Zygomaticus (major and minor) 4. Muscle that holds food between teeth during chewing d) Epicranius 5. Muscle that helps depress mandible f) Facial nerve 6. Protects eyes from intense light g) Buccinator 7. Raises eyebrows h) Depressor labii inferioris 8. Allows us to pout i) Orbicularis oculi 9. Protrudes lower lip j) mentalis 10. Smiling muscle e) Frontal belly Lateral Muscles of Scalp, Face & Neck Label your practice diagram as I discuss each muscle. Epicranius: galea aponeurotica Frontal belly Corrugator supercilii Occipital belly Orbicularis oculi temporalis Levatator labii superioris massester Zygomaticus minor and major buccinator sternocleidomastoid trapezius platysma Splenius capitis Muscles Promoting Tongue Movements • Label all parts on your practice diagram now. What Do These Do? Pgs 298 - 299 Instructions: Write what each of these muscles do now in your notes next to this slide. Be prepared to share your answers if called upon. 1. Genioglossus 2. Styloglossus 3. Hyoglossus Muscles of the Neck & Vertebral Column Label your practice diagram as I discuss. Longissimus capitus Iliocostalis cervicis Spinalis thoracis Semispinalis toracis Quadratus lumborum What do these 5 muscles specifically do? Use the Table on page 304 to assist you. Write their functions in your notes now next to this slide. Muscles of the Anterior Thorax, pg 312 - 313 • Label the following ‘new’ muscles on your practice diagram now. Challenge: Can you find these muscles that you already learned? a) pectoralis major b) pectoralis minor c) trapezius d) infraspinatus subclavius coracobrachialis Levator scapulae Rhomboid minor Muscles of the Anterior Thorax Instructions: Match ‘em up. Use pages 312 – 313 for reference. 1. Rhomboids 2. Trapezius a) Prime mover to protract and hold scapula against chest wall 3. Levator Scapulae b) Help retract scapula (with middle trapezius) 4. Serratus anterior c) Helps stabilize and depress pectoral girdle 5. Pectoralis minor d) Stabilizes, raises, retracts, and rotates scapula 6. Subclavius e) Elevates and adducts scapula f) Draws scapula forward and downward (with ribs fixed)
