the muscular system the moving force. myology – the study of muscles myo – refers to muscle...
TRANSCRIPT
![Page 1: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/1.jpg)
The Muscular SystemTHE MOVING FORCE
![Page 2: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/2.jpg)
MYOLOGY – THE STUDY OF MUSCLES
Myo – refers to muscle my/o – musclemyositis – inflammation of voluntary muscle
Sarco – specifically refers to muscle cellsSarc/o – flesh, muscular substance Sarcolemma – plasma membrane of a muscle cell
![Page 3: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/3.jpg)
Emaciated healthy
![Page 4: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/4.jpg)
What do my muscles do?
![Page 5: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/5.jpg)
![Page 6: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/6.jpg)
Voluntary, Striated
Striated, Involuntary
Visceral, Non-striated, Involuntary
![Page 7: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/7.jpg)
..\Videos\RealPlayer Downloads\3D medical animation - peristalsis in large bowel.flv
..\..\..\Videos\RealPlayer Downloads\Gut Peristalsis.flv
![Page 8: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/8.jpg)
![Page 9: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/9.jpg)
Tendons
Tendon sheath = Connective tissue that surrounds and protects tendons where there is a long distance to attachment or over a joint.
![Page 10: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/10.jpg)
Ligaments
![Page 11: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/11.jpg)
Aponeurosis
• Flat, ribbon-like tendon that attaches muscle to bone or muscle to muscle.
![Page 12: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/12.jpg)
Fascia: fibrous membrane that encloses muscles and separates
them into groups
![Page 13: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/13.jpg)
Ligaments
• Attach bone to cartilage or bone to bone
• Aid or restrict movement.
![Page 14: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/14.jpg)
Origin: the _________of the two points of attachment
The end of a muscle that is attached to the more “fixed” part of the skeleton
![Page 15: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/15.jpg)
Insertion: the point of attachment by a muscle
The insertion moves when a muscle contracts.
The Belly?
![Page 16: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/16.jpg)
Anatomy of a Muscle
![Page 17: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/17.jpg)
Muscle cells
![Page 18: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/18.jpg)
striated
![Page 19: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/19.jpg)
Motor Nerve: causes muscle to move by stimulating a
group of muscle fibers
Nerve + Group of muscle cells = neuromotor unit (or motor unit)
![Page 20: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/20.jpg)
MUSCLE FACTS:
![Page 21: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/21.jpg)
Smooth Muscle: also called______,(organs) non-
striated or involuntary muscle.
Many of the internal organs are made of smooth muscle
including:
![Page 22: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/22.jpg)
bladder
![Page 23: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/23.jpg)
uterus
![Page 24: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/24.jpg)
Iris, Arteries
Vasodilation /
vasoconstriction
![Page 25: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/25.jpg)
Smooth muscle vs. skeletal muscle
![Page 26: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/26.jpg)
Cardiac muscle is involuntary but does show very fine striations
![Page 27: The Muscular System THE MOVING FORCE. MYOLOGY – THE STUDY OF MUSCLES Myo – refers to muscle my/o – muscle myositis – inflammation of voluntary muscle](https://reader035.vdocuments.net/reader035/viewer/2022062323/5697bff71a28abf838cbee17/html5/thumbnails/27.jpg)
A muscle must depend on other muscles to assist in a desired movement. For this reason muscles are called prime movers, antagonists and synergists.