What structures attach muscles to bones?

Which of the following muscles is responsible for flexion of the thigh at the hip?

Which movement is antagonistic to extension?

Muscles can act in different ways during a particular movement. What is the role of the antagonist?

Which two muscle groups work as antagonistic pairs in the leg?

What is one example of an antagonist pair of muscles?

Which muscle contracts to flex the elbow?

Which of the following is an action of the biceps brachii muscle?