8 th grade health unit Muscles and Exercise. Pick up 4 worksheets and answer the Journal questions...
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![Page 1: 8 th grade health unit Muscles and Exercise. Pick up 4 worksheets and answer the Journal questions List as many muscles as you can and where they are.](https://reader036.fdocuments.in/reader036/viewer/2022062515/56649cd75503460f9499ea31/html5/thumbnails/1.jpg)
8th grade health unitMuscles and Exercise
![Page 2: 8 th grade health unit Muscles and Exercise. Pick up 4 worksheets and answer the Journal questions List as many muscles as you can and where they are.](https://reader036.fdocuments.in/reader036/viewer/2022062515/56649cd75503460f9499ea31/html5/thumbnails/2.jpg)
Pick up 4 worksheets and answer the Journal questions
List as many muscles as you can and where they are located.
How many muscles do you think are in the body?
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Muscular System Notes• The body is composed of over 600 muscles
• Muscular System-group of structures that give your body parts the power to move
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•3 Kinds of Muscle:•A.Skeletal-attached to bones that enable you to move (voluntary)
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•B.Smooth- the muscles found in the organs, blood vessels, and glands (involuntary)•
•C.Cardiac- found only in the walls of the heart (involuntary)
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How muscles Work
• Two basic actions account for all muscle movement.
• Extension- the lengthening of muscle fibers • Contraction- is
the shortening of muscle fibers.
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Fast and slow twitch muscle fibers
• Fast Twitch- Because fast twitch fibers use anaerobic metabolism to create fuel, they are much better at generating short bursts of strength or speed than slow muscles. However, they fatigue more quickly.
• Slow Twitch- The slow muscles are more efficient at using oxygen to generate more fuel (known as ATP) for continuous, extended muscle contractions over a long time
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Your Muscular System
• What is a muscle strain? This is a muscular problem that can have lasting effects. It is caused by small tear to a muscle or tendon.
• What are two healthy behaviors that can prevent muscular system problems? Maintaining muscle tension by using the muscles, and by wearing protective gear while engaging in sports.
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Your Muscles at Work
• Regular physical activity keeps muscles healthy,including the heart
• Muscular Dystrophy is a serious muscular problem in which skeletal muscle tissue gradually wastes away. Eventually people with this can no longer stand or walk.
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Deltoid
Biceps Rectus abdominus
SartoriusQuadriceps
Sternomastoid
Masseter
Pectoral
Tibialis
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Deltiod
Triceps Latissimus dorsi
Gluteus maximus
Gastrocnemius
Achilles tendon
Trapizus
Hamstring
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Full-Body Workout Example
• Chest- Bench Press• Back- Lat Pull- Down • Shoulders- Barbell Press• Legs- Squats• Biceps- Curls• Triceps- Dumbbell overhead extension • Abs- Hanging leg raise
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kids health video-muscle
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Bench Press – Chest Exercise
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Lat Pull Downs- back exercise
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Squats- Leg exercise
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Seated Dumbbell Shoulder Press
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Standing Dumbbell Curls- Bicep Exercise
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Dumbbell behind the head Press- triceps exercise
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Hanging Leg Raise – Ab exercise
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Examples of Chest and Back Exercises
• Chest • Bench press• Incline bench press• Decline bench press• Dips• Cable crossovers• Push-ups• Flys
• Back• Lat pull down• Bent-over rows• Dumbbell rows• Pull-ups• Back extensions• Row Machine• Inverted Pull-up
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Triceps and Bicep examples
• Tricep• Kickbacks• Dips• Rope pull downs• Skull crushers • Behind the head press• Close-grip bench• Push-ups
• Bicep• Pull-ups• Curls• Incline curls• Concentration curls• Hammer curls• Straight bar curl• Seated bar curl
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Leg and Shoulder exercise examples
• Legs• Squats• Leg curls• Leg extensions• Box Jumps• Front Squat• Lunges• Leg Press
• Shoulders• Over head press with
bar or dumbbell • Reverse flies• Shrugs• Front Raises • Lateral Raises • Upright Rows
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Abdominal Exercises• Crunches • Sit-ups • Planks • Russian Twists• Seated Floor Touches • Windshield Wipers• Hanging leg raise • Bicycles • Partner leg throws • Decline sit-ups• Side planks
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1. Table of Contents/Nutrition Journal2. Nutrition Notes3. Journal-Muscles4. Worksheet 19/205. Worksheet 21/226. Muscle i.d.
Notebook Pages