Muscle Basics
The type of system that muscles belong to
What is the muscular system?
Muscle you can control (e.g., arms and legs)
What is skeletal muscle?
Muscle action like bending your elbow
What is flexion?
Muscles are responsible for this ability
What is movement?
Moves your body and helps you do everyday tasks
What are muscles?
Muscle found in the heart
What is cardiac muscle?
Moving something away from the body
What is abduction?
This type of muscle helps your heart beat
What is cardiac muscle?
The number of muscles in the human body (approximately)
What is ~600?
Muscles found in organs like the stomach
What is smooth muscle?
Straightening a joint to increase the angle
What is an extension?
The “working unit” inside muscles that lets them shorten
What is a muscle fiber?
These connect muscles to bones
What are tendons?
This type of muscle moves food through your digestive system
What is smooth muscle?
Muscle action that turns a body part around its axis
What is rotation?
This type of muscle is responsible for posture
What are skeletal muscles?
Muscle tissue that you cannot control consciously
What are involuntary muscles?
Cardiac and Smooth muscles are both of this type
What are involuntary muscles?
The action used to smile takes about 17 of these
What are muscles?
When muscles get bigger from exercise
What is hypertrophy?