Muscle Terminology Flashcards
What is the muscle belly?
It is the thick muscle the is located in between a tendon on either end of the muscle belly.
What is the ‘origin’?
Is the attachment of the muscle to the bone that remains still.
What is ‘insertion’?
Is the attachment of the muscle to the bone that moves.
What do the tendons do?
The tendons allow to hold onto the muscle belly firmly to the bone.
What is contraction?
Is when the muscle becomes shorter and tighter.
What is relaxation?
When the muscle extends longer and becomes looser.
How do the muscles know when to contract or relax?
A muscle knows when a muscle fibre receives a signal from its nerve, therefore, proteins and chemicals release energy into the muscle.