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1

What are mechanical injuries?

Injuries caused by forces that change the shape of an object, affecting any portion of the body from a blow, crush, cut, or penetrating wound.

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2

What factors influence the occurrence of mechanical injuries?

The amount of force, the length of time the force was applied, the area of the body affected, and the source of the force.

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3

What are the three main types of forces that cause injuries?

Compression (pressing/squeezing), Tension (pulling/stretching), and Shear (parallel to a surface).

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4

What are the two types of forces that can cause fractures?

Direct force (applied at the fracture location) and Indirect force (applied elsewhere and translated to the fracture site).

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5

What condition can lead to fractures due to decreased bone density?

Osteoporosis, which makes bones brittle and weak.

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6

What is Wolff's Law in relation to bone health?

Bone remodels in response to the stress placed on it; inadequate recovery can lead to small fractures.

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7

What causes friction blisters?

Shear forces between layers of skin, commonly on feet and hands.

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8

What is a sprain?

Tearing or damage to a ligament, which connects bone to bone, typically due to high tensile forces.

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9

What is an ACL tear and what causes it?

An injury to the Anterior Cruciate Ligament in the knee, typically caused by shear forces during cutting, pivoting, or landing with a planted foot.

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10

Why are ACL injuries more common in female athletes?