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GCSE PE > Soc14 Muscular System > Flashcards

Soc14 Muscular System Flashcards

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1
Q

What abducts the shoulder?

A

Deltoid

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2
Q

What adducts the arm at the shoulder

A

Pectoralis major

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3
Q

What adducts and extends the arm at the shoulder

A

Latissimus dorsi

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4
Q

What flexes the arm at the elbow

A

Biceps

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5
Q

What extends the arm at the elbow

A

Tricep

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6
Q

What helps flex and rotate the spinal column

A

External obliques

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7
Q

Adducts and extends the leg at the hips

A

Gluteals

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8
Q

What flexes the hip and moves the leg and knee towards the body

A

Hip flexors

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9
Q

What extends the leg at the knee

A

Quadriceps

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10
Q

Flex the leg at the knee

A

Hamstring

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11
Q

point the toes and flex knee

A

Gastrocnemius

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12
Q

Flex toes up to shin

A

Tibialis anterior

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13
Q

Muscle fibres

A

Voluntary muscles are made up of bundles of individual fibres. Each fibre contains many myofibrils, which of strands that can grab onto each other and pull to make the muscle contract

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14
Q

Slow twitch (type I)

A

These suits endurance activities and can work for long periods of time
They are darker in colour because they contain myoglobin, a red pigment that transports oxygen to the working muscles

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15
Q

Fast twitch (II) part one

A

These are using anaerobic work which can be improved through endurance training. increase the resistance to fatigue

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16
Q

Fast twitch (II) part two

A

These suit speed events such as sprinting or jumping. they are lighter in colour because they don’t use oxygen for energy

17
Q

How can this affect our sport

A

Everyone has both types of fibres in our muscles but people have different quantities of both, they are determined by our genes. This affects what supports we naturally good at.

18
Q

Fulcrum

A

The point around which the lever rotates

19
Q

Articulation

A

The state of having a joint

20
Q

Articulate

A

Act as a joint

21
Q

Muscle fibres

A

Make up voluntary muscles divided into type one type II a and type II X

22
Q

Myglobin

A

A red pigment that transports oxygen to the muscles

GCSE PE (25 decks)

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