Muscular System. Functions of the Muscular System.
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Transcript of Muscular System. Functions of the Muscular System.
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Muscular SystemMuscular System
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Functions of the Muscular SystemFunctions of the Muscular System
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Functions of the Muscular SystemFunctions of the Muscular System
Holds the body uprightHolds the body upright
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Functions of the Muscular SystemFunctions of the Muscular System
Holds the body uprightHolds the body upright
Make movement possibleMake movement possible
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Functions of the Muscular SystemFunctions of the Muscular System
Holds the body uprightHolds the body upright
Make movement possibleMake movement possible
Generates 85% of body Generates 85% of body heatheat
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Functions of the Muscular SystemFunctions of the Muscular System
Holds the body uprightHolds the body upright
Make movement possibleMake movement possible
Generates 85% of body Generates 85% of body heatheat
Moves food, blood and Moves food, blood and fluids through the bodyfluids through the body
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3 Types of Muscle3 Types of Muscle
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3 Types of Muscle3 Types of Muscle
Smooth Muscle-lines Smooth Muscle-lines organs, digestive tract, organs, digestive tract, respiratory tract-respiratory tract-involuntaryinvoluntary
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3 Types of Muscle3 Types of Muscle
Smooth MuscleSmooth Muscle
Cardiac Muscle-heart Cardiac Muscle-heart muscle-involuntarymuscle-involuntary
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3 Types of Muscle3 Types of Muscle
Smooth MuscleSmooth Muscle
Cardiac MuscleCardiac Muscle
Skeletal Muscle- voluntarySkeletal Muscle- voluntary
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Antagonistic relationship Antagonistic relationship
What is the definition of What is the definition of antagonistic? antagonistic?
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Antagonistic relationship Antagonistic relationship
Skeletal muscles work in pairs.Skeletal muscles work in pairs.
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Antagonistic relationship Antagonistic relationship
Skeletal muscles work in pairs.Skeletal muscles work in pairs.
The pairs work in opposition to each The pairs work in opposition to each other.other.
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Example: biceps and Example: biceps and tricepstriceps
When one muscle When one muscle contracts the other contracts the other relaxesrelaxes
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There are over 600 There are over 600 skeletal muscles in the skeletal muscles in the human body, they all human body, they all have a name. have a name.
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There are over 600 There are over 600 skeletal muscles in the skeletal muscles in the human body, they all human body, they all have a name.have a name.
There are 7 ways There are 7 ways muscles are namedmuscles are named
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7 ways Muscles are named7 ways Muscles are named
1. Origin and Insertion- where 1. Origin and Insertion- where the muscle begins and end. the muscle begins and end. Example- Example- sternocleidomastoidsternocleidomastoid
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7 ways Muscles are named7 ways Muscles are named
1. Origin and Insertion- where 1. Origin and Insertion- where the muscle begins and end. the muscle begins and end. Example- sternocleidomastoidExample- sternocleidomastoid
2. Action- what the muscle does. 2. Action- what the muscle does. Example- Example- flexor Carpiflexor Carpi
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7 ways Muscles are named7 ways Muscles are named
1. Origin and Insertion- where 1. Origin and Insertion- where the muscle begins and end. the muscle begins and end. Example- sternocleidomastoidExample- sternocleidomastoid
2. Action- what the muscle does. 2. Action- what the muscle does. Example- flexor CarpiExample- flexor Carpi
3. Location- Example- 3. Location- Example- pectoralis pectoralis major, when there is a major, when there is a majormajor muscle there is always a muscle there is always a minorminor, , pectoralis minorpectoralis minor
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7 ways Muscles are named7 ways Muscles are named4. Fiber Direction- example: 4. Fiber Direction- example: obliquesobliques
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7 ways Muscles are named7 ways Muscles are named4. Fiber Direction- example: 4. Fiber Direction- example: obliquesobliques
5. Number of divisions- example: 5. Number of divisions- example: biceps, tricepsbiceps, triceps
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7 ways Muscles are named7 ways Muscles are named4. Fiber Direction- example: 4. Fiber Direction- example: obliquesobliques
5. Number of divisions- example: 5. Number of divisions- example: biceps, tricepsbiceps, triceps
6. Size- example: 6. Size- example: Gluteus Gluteus Maximus. When there is a Maximus. When there is a maximusmaximus there is always there is always mediusmedius and and minimusminimus
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7 ways Muscles are named7 ways Muscles are named4. Fiber Direction- example: 4. Fiber Direction- example: obliquesobliques
5. Number of divisions- example: 5. Number of divisions- example: biceps, tricepsbiceps, triceps
6. Size- example: Gluteus 6. Size- example: Gluteus Maximus. When there is a Maximus. When there is a maximusmaximus there is always there is always mediusmedius and and minimusminimus
7. Shape- Example: 7. Shape- Example: deltoiddeltoid
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Range of MotionRange of Motion
Each joint and the Each joint and the muscles that move muscles that move the joint have a the joint have a specific range they specific range they can move.can move.
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ROM’sROM’s
Flexion- bending a jointFlexion- bending a joint
Extension- straightening a jointExtension- straightening a joint
example: elbows and kneesexample: elbows and knees
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ROM’sROM’s
Flexion and extension- example: Flexion and extension- example: elbows and kneeselbows and knees
Abduction-moving a body part away Abduction-moving a body part away from the bodyfrom the body
Adduction-moving a body part Adduction-moving a body part toward the bodytoward the body
example: moving the legs or arms example: moving the legs or arms outward or inwardoutward or inward
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ROM’sROM’s
Flexion and extension- example: Flexion and extension- example: elbows and kneeselbows and kneesAbduction and adduction-example: Abduction and adduction-example: moving the legs or arms outward or moving the legs or arms outward or inwardinwardPronation- turning the palms down.Pronation- turning the palms down.Supination-turning the palms Supination-turning the palms upward.upward.Example: turning the palms of the Example: turning the palms of the hand up or downhand up or down
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ROM’sROM’sFlexion and extension- example: Flexion and extension- example: elbows and kneeselbows and knees
Abduction and adduction-example: Abduction and adduction-example: moving the legs or arms outward or moving the legs or arms outward or inwardinward
Pronation and supination-example: Pronation and supination-example: turning the palms of the hand up or turning the palms of the hand up or downdown
Rotation-movement around the axis Rotation-movement around the axis of the joint.of the joint.
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Flexion and extension- example: Flexion and extension- example: elbows and kneeselbows and knees
Abduction and adduction-example: Abduction and adduction-example: moving the legs or arms outward or moving the legs or arms outward or inwardinward
Pronation and supination-example: Pronation and supination-example: turning the palms of the hand up or turning the palms of the hand up or downdown
Rotation-movement around the axis Rotation-movement around the axis of the joint.of the joint.
Circumduction- movement at the end Circumduction- movement at the end of the rotating body part of the rotating body part