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Human Anatomy and Physiology Lab #8 Muscle Physiology

Human Anatomy and Physiology Lab #8 Muscle Physiology . Miriah Mertell. Muscle Identification Review. External oblique . Palmaris longus. Muscle Identification Review. Flexor hallucis longus Origin : Posterior tibia Insertion : Distal phalanx of great toe

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Human Anatomy and Physiology Lab #8 Muscle Physiology

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  1. Human Anatomy and Physiology Lab#8Muscle Physiology Miriah Mertell

  2. Muscle Identification Review External oblique Palmaris longus

  3. Muscle Identification Review Flexor hallucis longus Origin : Posterior tibia Insertion : Distal phalanx of great toe Action : Flexes great toe; plantar flexes and inverts foot; the “push-off muscle” during walking Gluteus medius

  4. Review

  5. Sarcomere Review

  6. Neuromuscular Junction

  7. The Motor Unit Multiple motor unit recruitment

  8. Control of Muscle Tension

  9. Muscle Contraction Isotonic Isometric

  10. Treppe

  11. Muscle Fatigue • Inability of muscle to maintain force of contraction after prolonged activity • Could be a result of: • Inadequate release of calcium ions from the SR • Insufficient oxygen • Depletion of glycogen and other nutrients

  12. Exam Next Week • 60 – 70 % Identification • Be able to identify muscles on muscle chart as well as origin, insertion and action of those listed on syllabus • Mainly use lab book and muscle list to study for identification

  13. Due today: Lab manual: Ex. 13: Activity 3 (#’s 1 & 2), Activity 4 (#’s 1 & 2). Due online: • PowerPhys experiments: Twitch Contractions and Summation, and Recruitment and contractions. • The activity links are located on the assignment tab on WileyPlus (As you complete each experiment, save the lab report file as a PDF. Then, submit both PDF files to the eCourseware dropbox labeled-PowerPhys lab 7.) • Real Anatomy: muscular is due by Thursday at 11:59 pm. (Access the Real anatomy activity on the assignment tab in WileyPlus.)

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