Register

When a person bends an arm a different muscle is used to bring it back to the original position. why can't the same muscle be used to both bend and unbend the arm?

When a person bends an arm a different muscle is used to bring it back to the original position. why can't the same muscle be used to both bend and unbend the arm?
50.1k views
5 votes
When a person bends an arm a different muscle is used to bring it back to the original position. why can't the same muscle be used to both bend and unbend the arm?

User Onassar
by
8.4k points

1 Answer

5 votes
Muscles can only pull not push

User Afacat
by
7.0k points
← Prev Question Next Question →

Related questions

User Ranendra
asked Oct 20, 2018 208k views
From a sitting position, unbend the knee and bring one foot up to the level of the knee. this is
Ranendra asked Oct 20, 2018
by Ranendra
7.3k points
1 answer
2 votes
208k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
What type of rock is the Haystack rock (igneous, Metamorphic, or Sedimentary)
what is a device that transforms thermal energy to mechanical energy
Link Copied!