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Weight Loss Forum / WeightWatchers / February 2005Those calorie counts of the machines at the gym.
When I'm on the crosstrainer at the gym (22 minutes, level 7), the machine says I've burned 300 calories. Is this accurate? I'm only going to credit myself for 2 points as per the activity booster to be on the safe side. But really, isn't this more like 6 points since points are roughly 50 calories each? How accurate are these machines? I put in my weight and it takes my heartrate. Cheers, Melanie 154/150/140 >When I'm on the crosstrainer at the gym (22 minutes, level 7), the >machine says I've burned 300 calories. Is this accurate? I have no clue. :) My seester, the triathelete, says to take any gym machine calorie count with a grain of salt, as effort required in the comparible activity outdoors is usually higher. Her point is to regard it as scorekeeping. >I'm only going to credit myself for 2 points as per the activity >booster to be on the safe side How much were you sweating? What was your heartrate right after? Although I've been using the calorie expenditue on my favourite excerise bike as a way to calculate how much I'm doing (effort required to knock of 3500 calories over the week, equivalent to a lb of weight) I've been using the time/sweat level and my heart rate as my main means of judging how many activity points I get. So, for 30 minutes on the bike, at high intensity (sweating freely, heart rate at around 135 -140, still able to talk, riding at (bike metered speed, nothing like RL) 21 mph avg. speed, 500+bike meter calorie expenditure :) I've been taking those full five activity points I get for my weight range. FWIW, I'm actually doing about 2000 of those blessed calories per week. Have to do it day on/day off to allow for muscle recovery (yeah, I'm training for the spring cycling season, not just doing weight loss) Shirley Hicks Trawna, Ontario 223/212/168 > When I'm on the crosstrainer at the gym (22 minutes, level 7), the > machine says I've burned 300 calories. Is this accurate? > > I'm only going to credit myself for 2 points as per the activity > booster to be on the safe side. But really, isn't this more like 6 > points since points are roughly 50 calories each? You might calculate the number of points yourself using the WW formula: Your Weight/50 X Intensity Level/85 X Minutes Intensity is 1 for Light, 1.5 for Moderate and 3.5 for Heavy. 1 activity point is earned for each 100 calories burned. You eat 50 calories per point so that if you were to eat your APs then you still are creating a calorie deficit to help you lose weight. > How accurate are these machines? I put in my weight and it takes my > heartrate. Some are better than others. Here is a site that gives the number of calories burned per hour http://www.caloriesperhour.com/index_burn.html I did not see crosstrainer on the list but you might find an activity that is similar to see how accurate it is. The folks at the gym might also be able to tell you how accurate they think it is. > Some are better than others. Here is a site that gives the number of > calories burned per hour http://www.caloriesperhour.com/index_burn.html I > did not see crosstrainer on the list but you might find an activity that is > similar to see how accurate it is. Like vigorous sex :) Those machine usually give you 20-30 % too much.. so you wanna remove at least 20% of calories it says.. beside.. 1 activity point is more around 100 callories not 50.. the idea is to burn more than you eat.. ;o)  SignatureWill~ 196.2 / 131.8 / 137 lbs 89 / 59.8 / 62.1 Kg Personal goal 125 lbs / 56.7 Kg > When I'm on the crosstrainer at the gym (22 minutes, level 7), the > machine says I've burned 300 calories. Is this accurate? [quoted text clipped - 9 lines] > Melanie > 154/150/140 This all makes sense...if the machine is a little high...and an activity point is based on 100 calories (not the 50 that food points are based on), then taking 2 points sounds about right. I'm basically sweating, breathing hard but not sucking wind and my heart rate is around 150 for 20 minutes. Next up, step class! Melanie Go for it girl !!!! Have a blast !! ;o) SignatureWill~ 196.2 / 131.8 / 137 lbs 89 / 59.8 / 62.1 Kg Personal goal 125 lbs / 56.7 Kg > This all makes sense...if the machine is a little high...and an > activity point is based on 100 calories (not the 50 that food points [quoted text clipped - 6 lines] > > Melanie > Those machine usually give you 20-30 % too much.. so you wanna remove at > least 20% of calories it says.. [quoted text clipped - 18 lines] >> Melanie >> 154/150/140 I'd be inclined to deduct a bit more I'm afraid. I use a heart rate monitor on the crosstrainer and the machine regularly reports 3 times the number of calories burned compared to the HRM Rachael 176/125/124 Do you enter your weight/age before you start ? if you do and it's still 3 times more I'd report the machine.. or your heart rate monitor.. SignatureWill~ 196.2 / 131.8 / 137 lbs 89 / 59.8 / 62.1 Kg Personal goal 125 lbs / 56.7 Kg > > > Those machine usually give you 20-30 % too much.. so you wanna remove at [quoted text clipped - 26 lines] > Rachael > 176/125/124 |
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