Muscluar System Flashcards
Define Agonist
The prime mover – muscle that causes movement
Define antagonist
Muscle that relaxes to allow the agonist to contract
Define tendons
Attach muscles to bones
Define isotonic contractions
Muscle action where the muscle changes length – causes movement
Define isometric contractions
Muscle action where the muscle stays the same length
Define concentric contractions
Isotonic contraction where the muscle shortens
Define eccentric contractions
Isotonic contraction where the muscle lengthens
Define ligaments
Joins bones to bones
What is the antagonist pairs at the elbow joint?
Bicep and tricep
What is the antagonist pairs at the hip joint?
Gluteals and hip flexors
What is the antagonist pairs at the knee joint?
Quadriceps and hamstrings
What is the antagonist pairs at the ankle joint?
Tibialis anterior and gastrocnemius
Give two examples of sporting situations where extension occurs
The release phase when you take a shot in basketball
When you jab in boxing
Give an sporting example of isometric contraction
Handstand
Plank
Wall sit
Define what a joint is
A joint is a place where two or more bones meet and is also called an articulation
