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Do Now: 3 Types of Muscle Tissue Directions: Review your notebook and tissue foldable. Fill-in the blanks. Turn to this picture in your notebook of MUSCLE MOVEMENT! Standard AP 2.9 Identify major skeletal muscles on a diagram of the human body’s and describe the movements associated with each of them. Directions: Scientists – pick up papers from the lab materials table for your lab team. Glue in the pictures as you take notes in your science notebook. Names of Major Muscles Highlight the names of muscles you learned last year. • Glue this picture on the next blank page of your notebook. Naming of Skeletal Muscles We have over 650 skeletal muscles. How are they named? Where do the names come from? Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Slide 6.36a Naming of Skeletal Muscles Direction of muscle fibers Example: rectus (straight) Relative size of the muscle Example: maximus (largest) Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Slide 6.36a Naming of Skeletal Muscles Location of the muscle Example: many muscles are named for bones (e.g., temporalis) Number of origins Example: triceps (three heads) Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Slide 6.36b Naming of Skeletal Muscles Location of the muscles origin and insertion Example: sterno (on the sternum) Shape of the muscle Example: deltoid (triangular) Action of the muscle Example: flexor and extensor (flexes or extends a bone) Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Slide 6.37 Head and Neck Muscles Figure 6.14 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Slide 6.38 Trunk Muscles Figure 6.15 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Slide 6.39 Deep Trunk and Arm Muscles Figure 6.16 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Slide 6.40 Muscles of the Pelvis, Hip, and Thigh Figure 6.18c Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Slide 6.41 Muscles of the Lower Leg Figure 6.19 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Slide 6.42 Superficial Muscles: Anterior Figure 6.20 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Slide 6.43 Superficial Muscles: Posterior Figure 6.21 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Slide 6.44 Notes: Body Movements Review this diagram with your lab group! Remember…today’s exit slip will require you to DRAW limbs (arms and legs) in specific muscle movements! Notes: Body Movements Movement is achieved by muscle moving to an attached bone. Figure 6.12 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Slide 6.30a Notes: Body Movements Muscles are attached to at least two points Origin – (start) attachment to a fixed bone Insertion – (end) attachment to a moveable bone Figure 6.12 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Slide 6.30b Notes: Body Movements Flexion Decreases angle of joint, brings two bones closer together Bending elbow Extension Opposite of flexion, increase angle of a joint, two bones moving further apart Straightening elbow Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Slide 6.32 Notes: Body Movements Rotation Moving a bone around it’s x or y-axis Turning head Abduction (AB- duction) Moving a bone AWAY from midline Adduction (think…ADD to body) Moving a bone CLOSER to midline Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Slide 6.32 Body Movements Figure 6.13 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Slide 6.33 Body Movements Checking for Understanding Analysts - quiz your lab group! 1. 2. 3. 4. 5. Show me FLEXION at the shoulder joint Show me EXTENSION at the knee joint Show me ROTATION at the cervical spine Show me ABDUCTION at the hip joint Show me ADDUCTION at the hip joint Checking for Understanding Write in your notebook! 1. What is the difference between the origin of a muscle and the insertion point? Write in COMPLETE SENTENCES in your notebook. Be prepared to share out! Reading Directions: On your own…Read and annotate the text (double sided). See the blue annotation marks examples in your yellow folder. Group Work Directions: Work with your lab group to complete the classwork packet. This packet also includes information on the anatomy of skeletal muscle. See page 195 – 203 in your textbook and use your ipad. You will have 20 minutes (double sided). Be sure to check your yellow folder for ANSWER KEYS! Remember…Be prepared to LABEL major skeletal muscles on a diagram! Exit Slip: Names of Skeletal Muscles and Muscle Movements