Push ups?

Newbie here. How important are push-ups for shoulder/arm/back/core strength. I have a morning routine where I do several sets of 20, 30, 40, or 50 for between 150-300 a few days a week. Then swim 1000 yds or more later in the day.
Parents
  • A gradual, progressive push-ups schedule can be found here: http://hundredpushups.com/ I did it several times and while I never made it to 100 in a row, I found that I could do many sets of 40-50 totaling hundreds. So I've continued doing my multiple sets for years.
Reply
  • A gradual, progressive push-ups schedule can be found here: http://hundredpushups.com/ I did it several times and while I never made it to 100 in a row, I found that I could do many sets of 40-50 totaling hundreds. So I've continued doing my multiple sets for years.
Children
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