Bone Cells and Fractures

Human Anatomy and physiology

Wolf’s Law

Bones grow and/or remodel in response to the demands placed on them

What are bones designed for?

Designed for strength

What is a fracture

A medical term for a broken bone

How do fractures occur?

What physical force is exerted on the bone is stronger than the bone itself

Open/Compound Fracture

The Bone is exposed

Closed/Simple Fracture

The bone is broken but still inside the skin

Complete Fracture

The bone is in two pieces/ completely separated from each other

Incomplete Fracture

The bone id not completely separated, the bone is somewhat intact to some extent

Comminuted Fracture

The bone is split into more than 3 pieces

Avulsion Fracture

A piece of bone is broken off by a sudden, forceful contraction of a muscle

Common in athletes

Stress Fracture

A common overuse injury of the bone

common for athletes who run and jump

Linear Fracture

The fracture is parallel to the bone’s long axis

Transverse Fracture

That fracture is perpendicular to the bone’s axis

Oblique Fracture

A diagonal Fracture

Spiral Fracture

One part of the bone is twisted

Greenstick Fracture

Childhood injuries

Breaks on one side but remains attached on the otherside

Fresh twig