The Musculo-Skeletal System Questions & Answers

1.  What lower arm muscles allow you to clench your fingers into a fist?
          Flexors

2.  What lower arm muscles allow you to open or stretch out your hand?
          Extensors

3.  Which muscle flexes your wrist near the thumb?
          Flexor carpi radialis

4.  Which muscle flexes your wrist near your pinky?
          Flexor carpi ulnaris

5.  Which muscle flexes your fingers into a fist?
          Flexor digitorum superficialis

6.   Which muscle flexes your thumb?
          Flexor pollicis longus

7.  Which muscle extends your wrist near the thumb?
          Extensor carpi radialis