Soc 20: Levers Flashcards

(10 cards)

1
Q

What is the Fulcrum?

A

The Pivot Point around which the lever rotates. In your body, these are your joints.

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2
Q

What is the Load?

A

The force or resistance being moved, like a dumbbell or your own bodyweight

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3
Q

What is the Effort?

A

The force applied to move the load. This force comes from your muscles contracting.

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4
Q

What is the Lever Arm?

A

The rigid bar that moves around the fulcrum. In your body, these are your bones.

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5
Q

What kind of lever system is used when heading the ball?

A

1st Class Lever System.
Fulcrum: Neck Joint (Atlas and Axis)
Load: Weight of your head
Effort: From neck muscles

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6
Q

How does a First Class Lever System work?

A

Fulcrum is in the middle between the load and effort.

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7
Q

What lever system do you use in the gym and how do you use it?

A

1st Class Lever
Tricep Dips
Fulcrum: The Elbow Joint
Load: Your own bodyweight
Effort: The tricep muscle

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8
Q

What is the acronym used in Levers?

A

F.L.E

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9
Q

2nd Class Lever

A

In a 2nd class lever, the load sits in the middle, between the fulcrum and the effort.

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10
Q

Example of 2nd class lever

A

Calf Raise
Fulcrum: Ball of your foot
Load: Your bodyweight
Effort: Your calf muscle (Gastrocnemius)

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