Five Golden Rules of Skeletal Muscle Activity
Muscles and Body Movements
§Movement is attained due to a muscle moving an attached bone
§Muscles are attached to at least two points
§Origin
§Attachment to a moveable bone
§Insertion
§Attachment to an immovable bone
Muscles and Body Movements
Types of Ordinary Body Movements
Special Movements
Types of Muscles
§Prime mover—muscle with the major responsibility for a certain movement
§Antagonist—muscle that opposes or reverses a prime mover
§Synergist—muscle that aids a prime mover in a movement and helps prevent rotation
§Fixator—stabilizes the origin of a prime mover