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HRM accurate?

Thursday, July 07, 2011

So, I got my new heart rate monitor on Monday and have been testing it with various exercise activities I do.

I'm wondering if it's actually accurate and looking for comments from other folks that use one.

I have been estimating, based on SP's calculator and other online calculators, that 1 hour of Jazzercise, for instance, burns about 450 calories for a high intensity session. While wearing my HRM yesterday and today, I had "calories burned" reported at 864 and 906 for the 1 hour session. I was working moderately hard, within what I consider to be an acceptable beats per minute zone.

This seems to be really off from what the calculators I've been using have reported.

It makes me wonder, have I been underestimating my burn all this time and thus, under-eating when I was in a losing weight program, putting myself in to starvation mode? It could certainly explain a lot.

I posted a link to the model I purchased in my last blog - it's a Timex Ironman Digital Zone HRM.

So, I would love to get some thoughts on this. Do you use a heart rate monitor? Do you think they more accurately estimate your true calorie burn for exercise? Thanks!

  Member Comments About This Blog Post:

GPENSRAE 7/7/2011 12:40PM

    My HRM always said I burned more than when I did the estimate on SP or any other site. Did you plug in your current weight accurately? That could also be throwing you off if SP still has you at weighing what you did before your pregnancy. I trust the HRM more than I trust the estimate though. :)

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FITBECKSRN24 7/7/2011 11:32AM

    the only thing i can think of....is that you now weigh more than you did before, so you're going to burn more cals. plus-during pregnancy your hr is higher....so maybe with the combination of the two your not that far off?

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Heart Rate Monitor, ho!

Monday, July 04, 2011

I've been researching and wanting a heart rate monitor for several months now. I didn't have one last year during my weight loss journey and looking back, I think it would have been a great tool to really help me track calories burned.

My mom sent me a card for my birthday in May with some $$$ for whatever gift I wanted to choose, and I knew I wanted to put it towards a HRM, so I redoubled my research efforts. Two weeks ago, a good friend of mine decided she wanted to have her going away party (she just moved to AZ for a new job) as a bingo night at a local hall. I'd never played before and we had joked about going several times in the past few months. So, a few other friends and I met up at the bingo hall to play some games, have some laughs and wish our friend well in her new adventure. Little did I know that I was going to be a $400 winner on one of the last games of the night. emoticon emoticon Woohoo! DH and I decided to put a portion of the money towards our landscaping project, a portion towards baby stuff, and to split the rest between something for me and house-money. I knew that I was going to combine my birthday money from my mom with my winnings to get a really good HRM. All I needed was a sale!

So, 4th of July rolls around and Sports Authority has -the- HRM I want only sale for 25% off regular prices. Pefect! I'm now the proud owner of a Timex Ironman Zone Training Digital Heart Rate Monitor.


Just took it out for a test drive on my typical "dog walk" in the neighborhood and I'm pretty impressed. Easy to work, watch doesn't look ridiculous on my tiny wrist, chest strap is comfortable. I just wonder, is the "calories burned" feature really that accurate? I assume that it's got to be more accurate than some other estimating features, but I really wonder if I burned 369 calories on a 25 minute jog/walk in my neighborhood (hilly though it may be). I don't think that following the instruction booklet's guide for estimating my submax HR is a very good idea at 7mos pregnant, so maybe my estimate is off.

Here is some info on calculating your MHR (all kinds of diff formulas; I used the Gulati women-specific formula www.brianmac.co.uk/maxhr.htm )

I can't wait to see what it says I burn for Jazzercise. I think I've been -way-underestimating my calorie burn there.

That makes me wonder, too, then, am I -way- underestimating the amount of calories I'm eating?? How can I account for my 30lb weight gain with this baby if I've been consistently burning many more calories in my workouts than I've been tracking? Only seems to make sense that I haven't been tracking everything I've been taking in.

Anyway, I'm psyched to have this new tool in my hot little hands. I think it will really help me stay on track for the rest of this pregnancy and assist me to get rid of this weight as fast as possible once the baby is here.

wOoT, new toys! emoticon emoticon

  Member Comments About This Blog Post:

GPENSRAE 7/7/2011 12:43PM

    Nice win!!! Love my HRM!

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AWOLF24 7/5/2011 2:30PM

    Awesome!!!! Nice windfall with the bingo win! LOL

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Better week but still...

Friday, July 01, 2011

I managed to calm myself down over the weekend, especially in light of most everyone's positive support, here and elsewhere, and had a pretty good week this week in terms of body image and positive thinking. It helped that I was so busy with work that I didn't really have time to be thinking about this. It also helped that I got my hair cut, which I had been wanting to do for about a month now. Glad I did, too, because my stylist is also expecting and yesterday was her last day at the salon. I got in just under the wire!

I am thankful for all of you that posted sympathetic comments, positive encouragement and in general were understanding and supportive of my issues in the past week. This is why I love SP so much - I know I have great people behind me every step of the way, reminding me I can get back up and keep going anytime.

I also appreciate that everyone's journey through this is different, and really applaud the level of acceptance and support despite the differences. We are such complex beings - there is no one right way to do pregnancy, or weight loss, or life for that matter. Everyone makes their own way and whether I regret something down the line or not, this is forming part of who that future person will be. I always tell my patients (and myself), I wouldn't be where I am today if not for the choices, both positive and negative, that I made in the past. I'm not "missing out" on anything during this pregnancy journey just because I happen to be having difficulty with weight gain. I am still joyful about the arrival of my child, I am still in awe of the awesomeness of the human body and what it can do - I am also a thinking, conscious, emotional person that has trouble with not feeling my best. According to Ron Weasley from "Harry Potter and the Half-Blood Prince," one person can't feel all that at the same time, they'd explode! emoticon Well, I haven't exploded yet, though I have wanted to at times. It just makes me that much more prepared for all the crazy things parenting will throw at me down the line, right? I just wanted to thank you for your comments and support one more time. I appreciate it.

Anyway, I hope you all have plans for a fabulous weekend. If you're in the USA, enjoy your 4th of July holiday! emoticon emoticon

  Member Comments About This Blog Post:

AWOLF24 7/5/2011 2:27PM

    Great blog and I'm glad you are feeling better. LOVE the Ron reference! LOLOL emoticon emoticon

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Disappointing Prenatal Visit

Friday, June 24, 2011

Everything is fine with the baby - heart beat a good 151bpm, size is measuring fine, head down, everything on track for 26.3wks.

However, I have gained another f'ing 10lbs since my last visit about a month ago.

This puts me up to 183lbs, somewhere I never wanted to be again in my life. A mental place I hoped to never have to come back to - reminding me of everything bad about being fat that I thought I was done with. A total gain since the beginning of this of 30lbs. sh*t.

I am so disappointed in myself and my obviously bad food choices or whatever has caused this ridiculous amount of weight gain in 4 short weeks. Seriously? 10lbs?

I am so upset right now, it is hard to even articulate the amount of emotional distress this is causing me.

I cannot wait to be done with this process and just have the baby and get back to my real body. I am seriously thinking I will never repeat the pregnancy process in the future. This is just too much.

What a way to start a weekend.

  Member Comments About This Blog Post:

SNUGGLY4U 7/18/2011 11:37AM

    I'm worried about the weight gain with this baby too. I now at 183 lbs weight MORE at 25 months than I did walking into L&D with my daughter at 37 weeks (and I thought I was fat then).

I know I can lose the weight (that walking into L&D wasn't my high weight) but it is a psychological sticking point for me since there is a 10 year age gap between my son and this baby, and 12 between my daughter and this baby.

Early 20's pregnancy was easy. Early 30's pregnancy is annoying!

And if anyone tells you that you ungrateful for not enjoying every moment of being pregnant tell them to sod off (with a smile of course). Being pregnant is a huge endeavour for some people and that needs to be acknowledged.

I've often said that I would happily skip pregnancy and just go conception (that was fun!), labour (I can deal), and then NEW BABY! YAY!

Comment edited on: 7/18/2011 11:40:10 AM

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FITBECKSRN24 7/4/2011 12:04PM

    im sorry your having such a hard time. i worry about my weight/weight gain also. its sooo hard to let go of your body and just let it gain and do what it needs to do. it couldnt be from the heat and water retention could it?? i use to weigh myself every week, but i was getting so upset with the weight gain that i was rapidly putting on. at one point i had gained 6lbs in 2 weeks! i then went for my md appt dreading what they would say with my weight gain, and according to their scales i had only gained 5lbs that month! i was like what the?!?!? sooo i stopped weighing myself and im going to just go with it and see how it goes at my next appt. keep your chin up....i know its hard. i understand, i really really do. I hate gaining weight, even tho it is for a good cause and cant wait for the baby to get here so i can get my body back! emoticon

oh-and i just wanted to add, that i HATE being pregnant also. im very short waisted and the baby sits low, right on top of my bladder. its very painful, along with the back pain and my scoliosis. I hate when ppl make me feel bad for saying that i hate being pregnant....so i just wanted you to know that your not alone =)

Comment edited on: 7/4/2011 12:10:17 PM

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GPENSRAE 6/28/2011 7:21PM

    I'm sorry that you're having a hard time, I feel the same way about my weight gain, it's as if I just can't get it under control. Even when I know I'm making a bad choice I seem to rationalize it or something in my head and then before I know I've ate whatever I was mentally debating about anyways. Hope that makes sense! our bodies are doing something that is truly amazing, but that doesn't stop me from missing my life before being pregnant...and we worked hard for this! I feel guilty even saying that after all the treatments but its the way I feel... I also know what you mean about not wanting to ever go through pregnancy again because of how you feel...but I can tell you that I had the absolute worst final months with Cale and a terrible birth...complications, months in the NICU...and before you know it you've forgotten all of that because you're just so in love and amazed at this little creature you have created. You are a beautiful person, and before you know it you'll be right back in control of your weight and working towards your goals...just think how much more powerful and proud of yourself you'll feel doing this all over again and setting such a great example for your little one. **HUGS**

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LEASIM1231 6/28/2011 3:03AM

    I will assure you that you are not alone in these feelings. I had sooo planned to gain only 25 pounds and was very much on track until I stopped working. I am now at 35 pounds with a few weeks to go and I cringe every time I see the scale, but I kind of have to put up a mental block of "I will deal with this later" and everyone keeps saying things like, "It is the baby." Or "If you breastfeed it will come off easier." So I am putting faith in those nice comments...everyone tells me not to worry, but I know how hard it is to follow that advice!

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AWOLF24 6/27/2011 11:24AM

    I just want to pipe in and come to your defense. I think that disliking pregnancy (as in not liking anything about it at all) yet loving the becoming a mother/creating a familiy are definitely two completely different things. Even though you and I might be in the minority about feeling this way, there isn't anything WRONG about feeling this way, and there isn't a need to change the way you feel. Yes, you'll have to find a way to cope with these feelings as you progress through your pregnancy, but in the end, pregnancy does END, you DO feel like your old self again, and then you can enjoy your new little one and your new little family. I promise! emoticon emoticon (And, it is worth it a second time. You don't have to make up your mind now, but just don't rule it out. Let yourself recover, give yourself a few years, and re-evaluate. I think it is a little easier the second time around knowing that you are in for, knowing you don't love the process, but now knowing how wonderful it is when the little one arrives.)

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COOLCUKE 6/27/2011 10:59AM

    You are so amazing, don't ever forget that! You have the power to make your body into a lean machine once your baby is born, just like you did before. It might even be easier this time if you breastfeed. I gained 52 lbs with my girl -- all I wanted to eat during my pregnancy was meat, and lots of it deli meat! I was so swollen by the end of it that I couldn't even fit into my shoes. But it all came off within about 12 months, a good chunk of it within 6 weeks due to water retention. You have the power to MAKE a BABY! How cool is THAT?? Afterwards, you can redirect that power to your own body and get back on track. You will. Just breathe for now and try to love what you are making with your amazing, powerful, wonderful body. You can totally do this. You are an amazing, smart, beautiful and powerful woman! emoticon

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MEDDYPEDDY 6/27/2011 2:35AM

    This is not really not easy for you but i do think you need to put in a lot of mental work to accept and embrace the situation. It should be a time for expectation and joy for you and no worries about your weight. Itīs a good thing that you wrote about it in a blog, I think it helps to put feelings in writing. Keep on doing so and try to ignore if you get questioned. You hae obviously done a great job in getting rid of weight, try to trust that you will do that again after the baby is born. Also remember that the number on the scale during pregnancy stems from many factors - I had preeclampsia which meant that my body had a lot of water that disappeared after the baby was born.

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NICOLE12-01 6/25/2011 6:35PM

    I can completely relate to this. I had lost 140 pounds before I got pregnant. Nope, not a typo...I went from 262 pounds to a range between 120-125. For the FIRST time in my life, I felt amazing and strong. I went from a size 26 to a size 4. I VOWED to myself that with this pregnancy, I would be healthy and would only gain the recommended 25-30 pounds. Nope. At 28 weeks, I've gained about 60 pounds. SIXTY. I swore that my weight would never begin with a "2" again, but here I am. Every time I step on the scale for my appointments, I'm up 9-10 pounds. That's not even counting the 20 pounds I packed on before my first OB appt. I'm definitely disgusted with myself that basically, I gave myself an excuse to go back to my old habits because I was scared and it was a convenient excuse to use. Now I'm going to have probably 60+ pounds to lose after the baby comes. I know some of it is out of my control, but a lot of it is IN my control and I have failed. I can understand and relate to your feelings. If you ever need to vent, feel free to message me!

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ATLMOMOFTHREE 6/25/2011 9:40AM

    I'm sorry you're upset about the gain. :( Maybe you could evaluate what you're eating and change some of them into healthier things? Like, if you're eating too many chips/crackers, you could switch to pretzels. Or candy/treats, you could switch to fruits you like? I hope you feel better about things soon. :)

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JENIFROUFROU 6/24/2011 10:47PM

    You have to remember the parts of pregnancy weight gain that are completely incontrollable - particularly water weight gain. It sucks to gain weight, but at the end of this nine months you get a beautiful baby. Just continue to eat as healthy as you can and keep active, and focus on losing weight after baby is born.

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ANGIERUNNER 6/24/2011 10:45PM

    I know how you feel... I gained 10 pounds last month and this visit ( 2 week visit) I was up 6 pounds. They think I am gaining lots of weight because of water retention ( I am getting very swollen).... maybe that's the case for you too? emoticon

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DISP715 6/24/2011 5:37PM

    Seriously? You are missing the magic of what is happening. Your body is making a miracle. The most beautiful and wonderful thing a body can do and your worried about weight?? I don't mean you need to go crazy, but, eating healthy, drinking water and exercising will mean a healthy pregnancy. I wish I could shake you. This will be over in the blink of an eye and in 20 years you may look back and wish you didn't waste so much energy worrying about what you weighed and bask in the WONDER of what your body is creating!!

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MISCHIEF_MNGD 6/24/2011 5:21PM

    This biog caught my eye (it was on the feed)
I am sort of going through the same thing you are and I would love to support you and show you you are not the only one.

Years ago I lost 40lbs. I went from a size 7 jeans to a size 3 and have been happy and content with my weight. I am currently 34 weeks pregnant and am already at the weight I lost years ago. It is very difficult for me to see this number again and it makes me want to give up. (I just found this out at my last apt on Tuesday) It makes me just want to give up and eat even more. What is so frustrating is I have been going on the elliptical 45 minutes a day as a light activity... STILL! Yet I have gained so much. I am now counting my calories (which is why I joined this website this morning actually). Sometimes your body just needs to gain weight and store fats for the baby. It is hard, but you just need to let it happen! Feel free to message me anytime if you ever want to chat.

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One week of Jazzercise

Saturday, June 18, 2011

I told myself at the start of this week that I could do five days of Jazzercise in a row and that it would help me feel better about a lot of things.

So I did - I went every day this week (M-F) at 4:45pm - and it was fantastic! emoticon

I even did most of Thursday's high impact moves instead of low impact because I was feeling extra energetic.

It makes such a difference for me to exercise regularly rather than not. I start to get weepy, emotional and overall become a sad, sad person when I don't keep myself moving. It's been a powerful realization for me, especially in light of this pregnancy.

I had multiple class participants and even a few of the instructors compliment me on how great I'm looking and how impressed they are that I'm still there, working hard. Having that positive support is a huge help in my mental work of accepting the pregnancy process.

So, I think I'll do a repeat next week, though I will have to vary it slightly as one of my best childhood friends will be in town visiting on Monday. So I'll do Tues-Sat instead :)

Hope you are finding some motivation to keep moving this weekend and making plans for next week that include some fun exercise!

Also, shout-out to all my new blog commentors and SparkFriends - I'm excited to be a part of the Fit and Pregnant team and so thankful for the Spark community reaching out to support me. Thank you for your kind words and positive support. You have been such a tremendous help in the past few weeks, you have no idea emoticon emoticon

  Member Comments About This Blog Post:

AWOLF24 6/23/2011 1:35PM

    Nice job!!!!!!!!!!!

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COOLCUKE 6/20/2011 12:01PM

    Wonderful!!! So glad you had a great week and you're feeling great! Keep it up!

emoticon emoticon emoticon

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A*L*P* 6/19/2011 4:05PM

    I think it makes such a big difference to stay active during pregnancy. I've tapered off of the high impact stuff and stick mainly with just yoga but that is what I want to do and what makes me feel the best. For this OLD woman of 35 emoticon I notice that the aches and pains of being 33 weeks pregnant really make a difference if I don't!

I used to do Jazzercise -- what a BLAST of a workout that is!! How fun!!

Congrats on your pregnancy and it sure is great to have you as part of the Fit & Pregnant team!!

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REDRUDY5 6/18/2011 2:08PM


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