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PE > Musculoskeletal system > Flashcards

Musculoskeletal system Flashcards

1
Q

flat bones

A

protect vital organs

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2
Q

joint

A

when two or more bones meet for the purpose of moving a body part

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3
Q

synovial joint

A

the most common type of joint in the body, joint cavity contains synovial fluid

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4
Q

synovial membrane

A

produces synovial fluid

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5
Q

synovial fluid

A

lubricates the joint, reduces friction

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6
Q

joint capsule

A

holds everything in place

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7
Q

bursae

A

sits between tendon and bone to prevent friction

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8
Q

cartilage

A

covers the end of the bone providing a smooth friction free surface, shock absorber

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9
Q

ligaments

A

joins bone to bone

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10
Q

tendons

A

joins muscle to bone

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11
Q

flexion

A

bending the limbs at a joint

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12
Q

extension

A

straightening the limbs at a joint

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13
Q

abduction

A

moving the limbs away from the midline of your body

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14
Q

adduction

A

moving the limbs towards he midline of your body

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15
Q

rotation

A

a circular motion around a fixed point

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16
Q

plantar flexion

A

when the foot flexes downwards

17
Q

dorsi flexion

A

the upwards flexion of the foot

18
Q

agonistic

A

the muscle which is contracting

19
Q

antagonist

A

the muscle which is relaxing in an antagonistic pair

20
Q

isotonic

A

movement does take place, muscle changes length

21
Q

isometric

A

no visible movement the muscle stays the same length

22
Q

prime mover

A

the working muscle that produces or controls the desired movement

23
Q

6 functions of the skeletal system
PSSMMP

A
  1. production of blood cells
  2. support for muscles and organs
  3. shape such as height and build of our bodies
  4. mineral storage such as calcium and phosphorus which can be released into the blood
  5. movement anchor for muscles to pull against
  6. protection for vital organs
24
Q

ball and socket joint

A

allow many types of movement

25
Q

hinge joint

A

allows flexion and extension

26
Q

antagonistic pair

A

as one muscle contracts the other relaxes

27
Q

eccentric conraction

A

when the muscles lengthens

28
Q

concentric

A

when the muscles shortens

29
Q

What are the structural features of the skeletal system? (5)

A
  1. Movement happens at joints
  2. The shape and type of bones allow for different movements.
  3. Flat bones protect vital organs.
  4. Different joints allow different types of movement.
  5. Bones provide an attachment point for muscles.
30
Q

What are the 3 types of bones?

A

FLAT BONES
LONG BONES
SHORT BONES

31
Q

What is the function of long bones?

A

enable gross (large) movements

32
Q

What is the function of short bones?

A

enable fine (small) movements

PE (11 decks)

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