Match the vocabulary term with the correct phrase.
1. stretching, for example
2. measures how far the muscles can move
3. where scarring can occur
4. can cause the muscles to become sore and tired during and after exercise
5. can cause back pain
6. caused by blood that moves slowly in the legs
7. muscles that move the body in opposite directions

exercise
muscle myofibrils
poor posture
range of motion
antagonistic muscles
lactic acid
varicose veins