Antagonistic pairs Flashcards
What do muscles transfer force to bones through?
Through tendons
How do antagonistic pairs work?
One muscle of the pair contracts in order to move the body part and then the other muscle then contracts moving the body part back to its original position
When the muscle contracts, what does the other muscle do?
Relaxes or lengthens
What is the muscle that is contracting called?
Agonist
What is the muscle that is relaxing/ lengthening called?
Antagonist
When doing a bicep curl, what is the agonist and what is the antagonist?
Your bicep is your agonist as it is contracting and your tricep is your antagonist as it is relaxing/ lengthening
What is the antagonist?
The muscle which relaxes to allow movement to take place.
What is the agonist?
The muscle which contracts to cause movement.
What do fixators do?
Assist by supporting and stabilising the joint and the rest of the body, to allow antagonistic pairs to work efficiently.
What are the antagonistic pairs in the leg?
Gastrocnemius and tibialis anterior, Quadriceps and Hamstrings
What is the antagonistic pair in your lower leg?
Gastrocnemius and Tibialis anterior
What is the antagonistic pair in your upper leg?
Quadriceps and Hamstrings
What is the antagonistic pair located at the hip joint?
Gluteals and hip flexor
What is the antagonistic pair located in the arm?
Triceps and Biceps
What is the muscle that relaxes/ lengthens when the abdominals contract/ shorten?
Erector Spinae
