. >>> ben hagan is the city row regular.he 34 year old minnesota native says rowing has become an essential part of his work out routine. >> you have spin out there. you have cardiovascular yoga but for me the perfect combo of strength and cardio has become rowing. >> ben is not alone. teacher annie said she sometimes has to turn student away. >> i need harder pushes, fast, strokes. >> says the intense cardio work out uses cents eight a % of a person's muscles, but is still easy on the body. >> total body work out that's low in impact, meaning, you're not going to put a lot of strain on your joints, not jumping around, not hard on the body. >> water inside the machines provides resistance. most newcomb ers have to work on coordination, at first. >> there is some power. that will was good. >> that was good. >> that was hard. >> for fans like ben hagan it is the new spinning. >> i love the competitiveness when you're in classroom setting. it is not necessarily competition within other in the class but with yourself. >> health

. >> ben hagan is the city row regular.ar old, minnesota native, says, rowing has become an essential part of his work out routine. >> you have spin out there, you have cardiovascular yoga, for me the perfect combo of strength and cardio is rowing. >> he is not alone. teacher annie said she sometimes has to turn students away. >> i need harder pushes. faster strokes. harder pushes. >> she says the intense high cardio work out uses cents eight a % of a person's muscles, but is still easy on the body. >> total body, work out, low in impact, meaning you are not going to put a lot of strain on your joints, not jumping around, not hard on the body. >> water inside the machines provides resistance, most newcomb ers have to work on coordination, at first. >> that was good, that was good. >> that was hard. >> for fans like ben hagan, it is the new spinning. >> i like the competitiveness in a classroom spinning, not competition with other in the class but with yourself. >> health experts say cardio and health training still one of t

ben hagan is a city row regular. the 34 year-old minnesota native says rowing is an essential part of his work out routine. >> spin out there, you have cardiovascular yoga but for me perfect combination of strength and combination is rowing. >> reporter: he is not alone, the teacher says sometimes she has to turn students away. >> faster strokes. >> reporter: she says the intense high cardio work out uses 85 percent of a person's muscles but it is still easy on the body. >> it is a total body work out that is low in impact meaning you will in the put strain on your joints. you are not jumping around and hard on your body. >> reporter: water provides resistance, most new comers to have work on coordination at first. for fans like ben hagan it is new spinning. >> i like competitiveness in the the class room setting it is in the necessarily competition but with yourself. >> reporter: health experts say cardio and strength training are still one of the best ways to get, and stay in shape. >> amazing. >> i like that enthu

. >> julie: for fans like ben hagan, it's the new spinning. >> i like when you're in a classroom setting. >> julie: health experts say cardio and strength training is still one of the best ways to get and stay in shape. >> amazing. >> julie: health experts say a rowing workout also strengthens the upper back, countering all the time spent hunched over the computer screens. >> ginger: if you know people who row, they're in phenomenal shape. they're not ever bulky, just long and lean people. during the winter. >> ginger: i haven't seen it done in a classroom setting. >> lisa: i've tried it once and it's a difficult workout. >> ginger: you need to be coordinated. >> lisa: in health news, blueberries are not only a favorite fruit for some people, they may also fight off alzheimer's. the university found patients with mild brain problems who took blueberry powder for four months showed improvement in brain function. other studies have shown the super food can protect against cancer and heart disease. >> ginger: well, while nasa is waiting another two years to blast off to mars, a spacecraft b

. >> reporter: ben hagan is a city row regular. >> the 34-year-old minnesota native said that rowing has become an essential part of his workout routine. >> you have spin and cardiovascular yoga. the perfectcom bow of strength and cardiois rowing. >> reporter: ben's not alone. the teacher sometimes has to turn students away. >> i need harder pushes. >> reporter: she said the intense high-cardio workout uses 85% of a person's muscles and is still easy on the body. >> and it's a total body workout that is low in impact and meaning you're not going to put a lot of strain on your joints and you're not jumping around. it's not hard on the body. >> reporter: water said inside provides resistance. most have to work on coordination at first. >> and there is some power. >> that was good. >> that was good. >> and that was hard. >> reporter: for fans like ben hagan, it's the new spinning. >> and i love the competitiveness in a classroom setting. notco. tition within others in the class but yourself. >> reporter: health experts say cardio and strength training are still one of the best ways to g