muscle action. Flashcards
1
Q
what is the difference between a ligament and a tendon?
A
ligament: bone to bone
tendon: attaches bone to muscle
2
Q
what is the difference between the muscle pairs of the agonist and the antagonist?
A
agonist: contracting muscle
antagonist: relaxing muscle
3
Q
when the are is in flexion (bending) what is the agonist?
A
biceps (shortest part) therefore meaning that they triceps is the longest part and is relaxed.
4
Q
when the are is in flexion (bending) what is the antagonist?
A
triceps (shortest part) therefore meaning that the biceps is relaxed in the longest part.
5
Q
what happens when the roles changes if the arm was extending (straightening)
A
- agonist becomes antagonist
- antagonist becomes agonist
6
Q
how do muscles work in pairs?
A
antagonistic pair - to move a muscle a joint
