10-1 Anatomy and Physiology, Sixth Edition Rod R. Seeley Idaho State University Trent D. Stephens...

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Transcript of 10-1 Anatomy and Physiology, Sixth Edition Rod R. Seeley Idaho State University Trent D. Stephens...

  • Slide 1
  • 10-1 Anatomy and Physiology, Sixth Edition Rod R. Seeley Idaho State University Trent D. Stephens Idaho State University Philip Tate Phoenix College Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or display. *See PowerPoint Image Slides for all figures and tables pre-inserted into PowerPoint without notes. Chapter 10 Lecture Outline *
  • Slide 2
  • 10-2 Muscular System Gross Anatomy Chapter 10
  • Slide 3
  • 10-3 General Principles Tendons: Attach muscles to bones Aponeurosis: A very broad tendon Muscles Origin or head: Muscle end attached to more stationary of two bones Insertion: Muscle end attached to bone with greatest movement Belly: Largest portion of the muscle between origin and insertion Synergists: Muscles that work together to cause a movement Prime mover: Plays major role in accomplishing movement Agonist: Muscle causing an action when contracts Antagonist: A muscle working in opposition to agonist Fixators: Stabilize joint/s crossed by the prime mover
  • Slide 4
  • 10-4 Muscle Shapes
  • Slide 5
  • 10-5 Muscle Shapes
  • Slide 6
  • 10-6 Nomenclature Muscles are named according to: Location: pectoralis gluteus, brachial Size: maximus, minimus, longus, brevis Shape: deltoid, quadratus, teres Orientation: rectus Origin and insertion: sternocleidomastoid, brachioradialis Number of heads: biceps, triceps Function: abductor, adductor, masseter
  • Slide 7
  • 10-7 Muscle Movements Muscle contractions are a pull or force by relative positions of Lever: Rigid shaft or bone Fulcrum: Pivot point or joint Weight or resistance
  • Slide 8
  • 10-8 Classes of Levers Class I Fulcrum between force and weight Seesaw or head movement Class II Weight is between fulcrum and pull Wheelbarrow, standing on toes Class III Pull located between fulcrum and weight Person using a shovel Most common
  • Slide 9
  • 10-9 Muscle Anatomy: Anterior View
  • Slide 10
  • 10-10 Muscle Anatomy: Posterior View
  • Slide 11
  • 10-11 Muscles of the Neck
  • Slide 12
  • 10-12 Muscles of Facial Expression
  • Slide 13
  • 10-13 Muscles of Mastication
  • Slide 14
  • 10-14 Muscles of Respiration
  • Slide 15
  • 10-15 Muscles of the Abdominal Wall
  • Slide 16
  • 10-16 Muscles of Pelvic Floor and Perineum
  • Slide 17
  • 10-17 Muscles of the Arm
  • Slide 18
  • 10-18 Muscles of the Forearm
  • Slide 19
  • 10-19 Muscles of the Thigh
  • Slide 20
  • 10-20 Muscles of the Leg
  • Slide 21
  • 10-21 Muscles of the Leg
  • Slide 22
  • 10-22 Muscles of the Foot