Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
25 Cards in this Set
- Front
- Back
Number of muscles in the human body
|
650
|
|
Muscles act as the ______ for the human body. This movement is caused by the way in which muscles pull on the skeleton.
|
Movers
|
|
Supplies the forces that enable the body to perform physical activity. When a muscle acts (shortens), it moves a bone by pulling on the tendon that attaches the muscle to the bone.
|
Muscular System
|
|
Provide the support system for soft tissue, providing protection for internal organs, and act as an important source of nutrients and blood constituents.
|
Bones
|
|
They are tough, hard, and elastic. They are rigid levers for locomotion.
|
Bones
|
|
There are ___ different type of bones.
|
4
|
|
Diaphysis/Epiphysis (centers of ossification) such as clavicle or femur
|
Long Bones
|
|
carpus, tarsus, patella
|
Short Bones
|
|
scapula, skull
|
Flat Bones
|
|
vertebrae, maxilla, mandible, and coccyx
|
Irregular Bones
|
|
Consists of the skull, the vertebral column, sternum, and ribs.
|
Axial Skeleton
|
|
Made up of the bones of the upper and lower extremities
|
Appendicular Skeleton
|
|
An outer layer of fibrous connective attaches the bone to ____, _____ _____, and _____ _____.
|
muscles, deep fascia, joint capsules
|
|
Outer and inner layers that cover the bones. Anchors the muscles to bone.
|
Periosteum
|
|
Outer layer of connective tissue that covers muscle.
|
Epimysium
|
|
Many bundles of muscle fibers that a single muscle is made up of.
|
Fasciculi
|
|
Runs from end to end of muscle and exists within the muscle tissue surrounding the fibers and giving rise to muscle bundles.
|
connective tissue
|
|
The prime mover of a contraction.
|
Agonist Muscle
|
|
Muscle that performs the opposite action.
|
Antagonist Muscle
|
|
Muscles are responsible for these movements
|
extension, flexion, abduction, adduction, elevation, depression, and rotation
|
|
There types of muscle tissue
|
smooth, skeletal, cardiac
|
|
Responsible for creating power and force
|
Skeletal Muscles
|
|
Occur when the muscle fibers shorten.
|
Concentric
|
|
Muscle actions when active muscle fibers elongate.
|
Eccentric
|
|
A type of muscular activity in which there is tension in the muscle but it does not shorten or lengthen.
|
Isometric
|