Musculoskeletal System Flashcards
Define a joint.
Where two or more bones meet.
What are the three types of joint?
- Fixed joint
- Slightly moveable joint
- Synovial/freely moving joint
What type of movement does a ball and socket joint allow for?
Movement in every direction.
What type of joints are the shoulder and hip?
Ball and socket
What is the articulating bone?
One where the bones meet and move at the joint.
What type of movement does a hinge joint allow for?
Movement in only one direction.
Give three examples of a hinge joint.
- Ankle
- Knee
- Hip
What is the role of the agonist?
Allow movement and contraction
What is the role of the antagonist?
Relaxing and lengthening
What type of muscle contraction is happening when the muscle is shortening?
Concentric contraction
What type of muscle contraction is happening when the muscle is lengthening?
Eccentric contraction
What is it called when a muscle contracts with movement?
Isotonic
What is it called when a muscle contracts without movement?
Isometric
Give an example of a concentric contraction
The bicep concentrically contracts in the upward phase of a bicep curl
Give an example of an isometric contraction
Crucifix position in gymnastics
