Correct Matches
E. decreased joint stiffness 1. when the joints move more easily
A. improved range of motion 4. when the muscles and joints are more flexible
B. shoulder flexibility test 9. performed by trying to grab your hands behind your back
C. lactic acid 8. a by-product of exercise
D. muscle fibers 10. the muscle cells
K. standard sit-and-reach test 6. measures back and leg flexibility
F. improved the ability to relax 5. lowers blood pressure and blood sugar
J. improved circulation 2. results in fewer varicose veins
L. antagonistic muscles 11. the front and back muscles of your leg
H. myofibrils 7. slide together to shorten a muscle
G. improved posture 3. comes from equally worked antagonistic muscles
I. flexibility exercises 12. reduces the chance of muscle injury
