There are approximately 325 pairs of muscles in the human body, as each muscle has a corresponding opposite muscle. Swimming, a cardiovascular activity, uses muscles throughout the upper body, core and lower body to successfully carry out the sequence of moves involved with swimming. Swimming is a non-impact cardio activity, so you can work your muscles without putting impact on your joints.
The average pitcihng speed for an 8 year old. The average pitching speed for an 8 year old is 39 mph. The median pitching speed for an 8 year old is also 39 mph. The mode pitching speed for an 8 year old is 38 mph. The range of pitching speed for an 8 year old is 36 - 42 mph. Your goal should be 45+. The average pitcihng speed for a 9 year old.
1 Your child is younger than age 3 months and has a rectal temperature of 100.4 F (38 C) or higher.  Your child is age 3 to 6 months and has a temperature up to 102 F (38.9 C) and seems unusually irritable, lethargic or uncomfortable, or has a temperature higher than 102 F (38.9 C).