1 / 27

The Muscular System

Delve into the study of muscles, their functions, and attachments. Explore the intricate world of muscle cells, the roles of tendons and ligaments, and the key differences between voluntary and involuntary muscles. Discover the anatomy of muscles, neuromotor units, and interesting facts about smooth, skeletal, and cardiac muscles. Unravel the secrets of muscle movements and the important interplay between prime movers, antagonists, and synergists.

kpitt
Download Presentation

The Muscular System

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. The Muscular System THE MOVING FORCE

  2. MYOLOGY – THE STUDY OF MUSCLES • Myo – refers to muscle • my/o – muscle • myositis – inflammation of voluntary muscle • Sarco – specifically refers to muscle cells • Sarc/o – flesh, muscular substance • Sarcolemma – plasma membrane of a muscle cell

  3. Emaciated healthy

  4. What do my muscles do?

  5. Voluntary, Striated Striated, Involuntary Visceral, Non-striated, Involuntary

  6. ..\..\..\Videos\RealPlayer Downloads\Gut Peristalsis.flv ..\Videos\RealPlayer Downloads\3D medical animation - peristalsis in large bowel.flv

  7. MUSCLE ATTACMENTS

  8. Tendons Tendon sheath= Connective tissue that surrounds and protects tendons where there is a long distance to attachment or over a joint.

  9. Ligaments

  10. Aponeurosis • Flat, ribbon-like tendon that attaches muscle to bone or muscle to muscle.

  11. Fascia: fibrous membrane that encloses muscles and separates them into groups

  12. Ligaments • Attach bone to cartilage orbone to bone • Aid orrestrict movement.

  13. Origin: the _________of the two points of attachment The end of a muscle that is attached to the more “fixed” part of the skeleton

  14. Insertion: the point of attachment by a muscle The Belly? The insertion moves when a muscle contracts.

  15. Anatomy of a Muscle

  16. Muscle cells

  17. striated

  18. Motor Nerve: causes muscle to move by stimulating a group of muscle fibers Nerve + Group of muscle cells = neuromotor unit (or motor unit)

  19. MUSCLE FACTS:

  20. Smooth Muscle: also called______,(organs) non-striated or involuntary muscle. Many of the internal organs are made of smooth muscle including:

  21. bladder

  22. uterus

  23. Vasodilation / vasoconstriction Iris, Arteries

  24. Smooth muscle vs. skeletal muscle

  25. Cardiac muscle is involuntary but does show very fine striations

  26. A muscle must depend on other muscles to assist in a desired movement. • For this reason muscles are called prime movers, antagonists and synergists.

More Related