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rotate and raise trunk
abdominals
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flex forearms at the elbow
biceps
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abduct and extend hip joint
Gluteals
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adducts and extends arm at the shoulder
latissimus dorsi
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heps control shoulder girdle
trapezius
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extend hip joint\
flex knee joint
hamstrings
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extends forarms at the elbow
extend the arm at the shoulder
triceps
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move arm in all directions at the shoulder
deltoid
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shapes of butt
square shape, round, heart, inverted
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3 types of muscle tissues
- Visceral smooth muscle
- Cardiac muscle
- Skeletal muscle
-
2 Supportive structure needed for movement
tendons, fascia
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contraction movement increases
eccentric
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contraction movement does not take place
isometric
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contraction movement decreases
concentric
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contraction movement does take place
isotonic
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abduct the arm and shoulder, used for deep breatghing
for ex: playing forehand drive in tennis
pectorals
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flex the hip joints, extend knee joint, ex: taking off high jump
quadriceps
-
8.Weakest muscle tissueMake organs contractFound in stomach intestine blood vessels
Visceral smooth muscle
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Only voluntary tissueControlled consciously Contract to move parts of body closer to bone
skeletal muscle
-
attach muscle to bones
tendons
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Found in heart Involuntary muscle pump blood to the body
cardiac muscle
-
Provides movement in body & holds postureResponsible for circulation of blood
muscular system
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1. how many muscles are there in the body
640
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