Introduction to the Muscular System

1. Movement

2. ​Heat Production

Add these to your notes

a prechorus, chorus and part of a bridge

If you are pushing something, it is because muscles are pulling and getting shorter.

​Origin - attachment of a muscle to a stationary

(non-moving) bone.

Insertion - attachment of a muscle to a moving bone.

Action​ - motion carried out by a muscle.

Where the ratchet straps attach and what bone moves when the muscle gets shorter.

Flexion - Decrease the angle between bones

Extension - Increase the angle between bones

Rotation - Spinning on an axis (not all the way)

Abduction - Move away from the midline

Adduction - Move toward the midline​

You should have nine total after these.

Elevation - Raise Superior

Depression - Lower inferior

Plantar Flexion - Pointing toe (like a calf raise)

Dorsiflexion - Bring foot backwards.​