skeletal system Flashcards
How many cervical vertebrae are there?
7 cervical
How many thoracic vertebrae are there?
12 thoracic
How many lumbar vertebrae are there?
5 lumbar
How many sacral vertebrae are there?
5 sacrum
How many coccygeal vertebrae are there?
4 coccyx
What is the sagittal axis?
From front to back
What is the frontal axis?
Going from right to left
What is the longitudinal axis?
Top to bottom
What is flexion?
Decreases the angle between two body parts
What is extension?
Increases the angle between two body parts
What is abduction?
Movement that draws a body part away from the midline
What is adduction?
Movement that moves a body part towards the midline
What is pronation?
Rotation of the forearm or foot so that the palm or sole faces downward
What is supination?
Rotation so that the palm or sole faces upwards
What is dorsiflexion?
Movement that brings the top of the foot close to the shin