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
Among the possibilities you've listed, the most impact on a person's exercise habits will be found in the community. People from our community are the ones who often force us to go and exercise when we usually wouldn't do it ourselves. When we have a supportive community, this makes the difference between working out and not working out sometimes.
Individuals need to adjust their physical activity to account for reduced flexibility, a loss of balance, as well as decreased energy levels as they age. As we see, there is a number of rather unwanted changes which happen with old age so the correct answer would be D - all of the above.
