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I can help if you put the options. (A. B. C. D.)
Some times the equipment is broken or doesn’t work as good as you like
Unlike Static Stretching that is recommended for AFTER an exercise or athletic activity, Dynamic stretching can make a good warm-up before you are ready to preform. In dynamic stretching, you increase blood flow, increase the range of motion, and your joints get ready for movement. It focuses on different muscles.
Basically, doing dynamic stretching(which is moving your body while stretching), your body is prepared to move in actual athletic activity.
Have the person sit still with their hand resting stationery in a position below their heart. Locate their thumb and follow the Radius bone from the thumb toward their wrist. Just past their wrist use the pads of your index and middle finger to palpate the radius pulse just inside the radial bone on the distal end of the forearm. If you measure the pulse for 15 secs multiply by 4, 30 seconds multiply by 2, or measure a full minute to beats per minute. After an injury to an upper extremities, it is common to locate the radial pulse on both wrists at the same time to compare the strength of the pulse thus making sure circulation is good.