PowerPoint ® Lecture Slide Presentation by Patty Bostwick-Taylor, Florence-Darlington Technical College Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings PART C 6 The Muscular System

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Five Golden Rules of Skeletal Muscle Activity Table 6.2

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles and Body Movements Figure 6.12 EXAMPLE: Biceps Brachii Origin = Humerus Insertion = Ulna Moves Ulna

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Types of Muscles  Antagonist—  Synergist—

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Types of Movements  Flexion  Joint Angle:  bones move  Hinge J.  Example:  Extension  Opposite of flexion

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Types of Movements  Rotation  around its longitudinal axis  Type of J.:  Example

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Types of Movements Figure 6.13b

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Types of Ordinary Body Movements  Abduction:  Adduction:  Circumduction  cone shape  Joint:

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Superficial Muscles: Anterior Figure 6.21

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Superficial Muscles: Posterior Figure 6.22

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Head and Neck Muscles  Facial muscles  Frontalis  Chewing muscles  Masseter  Origin:  Insertion:  Temporalis—  synergist of

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Head and Neck Muscles …  Sternocleidomastoid

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Anterior Muscles of Trunk and Shoulder  Pectoralis major  Breathing Muscles  Intercostal muscles:  Diaphragm

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Anterior Trunk … Abdominal Muscles  Abdominal girdle– 4 layers  Rectus abdominis  flexes _____  Compresses _____  External & internal obliques  flex _____  rotate _____  bend it laterally _____  Transversus abdominis  Compresses _____

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Posterior Muscles of Trunk, Shoulder, Arm …  Trapezius  —adducts  Latissimus dorsi  —adducts  Deltoid  abduction  Antagonist to ______

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Upper Limb  Biceps brachii  flexes ___  Origin: ___  Insertion: ___  Triceps brachii  extension of  Antagonist to ___

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Lower Limb  Gluteus maximus:  Gluteus medius—hip abduction, steadies pelvis when walking  Adductor muscles:

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Lower Limb  Muscles causing movement at the knee joint  Hamstring group: ___  Origin: posterior femur  Insertion: posterior tibia  Biceps femoris  Semimembranosus  Semitendinosus

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Lower Limb  Muscles causing movement at the knee joint  Quadriceps group  Origin: anterior femur  Insertion: anterior tibia  Rectus femoris  Vastus muscles (three)  Antagonist to ______

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Lower Limb  Muscles causing movement at ankle and foot  Tibialis anterior— dorsiflexion

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Lower Limb  Gastrocnemius– plantar flexion  Antagonist to ____

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Intramuscular Injection Sites Figure 6.18, 6.19b, d

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings  END OF POWER POINT  Extra Slides

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Superficial Anterior Muscles of the Body Table 6.3 (1 of 3)

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Superficial Anterior Muscles of the Body Table 6.3 (2 of 3)

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Superficial Anterior Muscles of the Body Table 6.3 (3 of 3)

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Superficial Posterior Muscles of the Body Table 6.4 (1 of 3)

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Superficial Posterior Muscles of the Body Table 6.4 (2 of 3)

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Superficial Posterior Muscles of the Body Table 6.4 (3 of 3)

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Special Movements  Dorsiflexion  Lifting the foot so that the superior surface approaches the shin  Plantar flexion  Depressing the foot (pointing the toes)

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Special Movements Figure 6.13e

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Special Movements  Inversion  Turn sole of foot medially (inward)  Eversion  Turn sole of foot laterally (outward)

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Special Movements Figure 6.13f

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Special Movements  Supination  Forearm rotates laterally so palm faces anteriorly (palm holds soup)  Pronation  Forearm rotates medially so palm faces posteriorly

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Special Movements Figure 6.13g

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Special Movements  Opposition  Move thumb to touch the tips of other fingers on the same hand

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Special Movements Figure 6.13h

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Types of Ordinary Body Movements Figure 6.13a

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Lower Leg Figure 6.20b

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Lower Leg Figure 6.20a

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Pelvis, Hip, Thigh Figure 6.19c

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Pelvis, Hip, Thigh Figure 6.19a

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Anterior Muscles of Trunk, Shoulder, Arm Figure 6.16a

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Figure 6.16b

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of Posterior Trunk and Shoulder Figure 6.17a