Reaching For The Sweet Spot With A Steady Heart

nice-irregular-heart-beat-picture
This lady is pointing to the plot of a heart rhythm which has an irregularity. In today’s rowing session, I was trying to make changes of effort level gradual enough to avoid stirring up any such irregularities.

Heart rate has been steady and without any arrhythmia since yesterday’s rowing session “cured” that problem.  With today’s rowing, I wanted to keep it that way, but still get a good workout.

Today’s rowing goals were to (1) keep the distance to no more than 10,000 meters, (2)  use the first part of the session to gradually warm up, (3) gradually reach for and arrive at the effort level that would raise heart rate to 158 BPM,  (4) continue at whatever effort level was needed to maintain about 158 BPM until the remaining distance counted down to 2,000 meters remaining and then (5) gradually reduce the effort level using the last 2,000 meters as a tapered warm down.

sweet-spot-of-a-bat

The term “sweet spot” is used in baseball to refer to the optimal place on the bat with which to make contact with the baseball.  In today’s rowing session, the optimal heart rate or “sweet spot” goal was 158 BPM because that is the highest rate that is still within the two lowest aerobic heart rate zones calculated for me, relative to my presumed “lactate threshold heart rate”.  I won’t try to explain it in any detail but you can do what I did and look it up if you want to learn about it. I used information supplied in the book, “80/20 Running,” by Matt Fitzgerald, to calculate the heart rate zones shown in the image below.

lactate-threshold-hr-zones

It’s been a while since I’ve calculated my “lactate threshold heart rate” zones, so the above chart might not be exactly right, but those are the results from the most recent time they were calculated.

Zones 1 and 2 are the optimal ranges to sustain when doing aerobic exercise, so as to sufficiently work the body and heart without overdoing it. Zones 3 and above are to be avoided most of the time except when racing.

Those zones will be different and unique for each individual and will change, depending on a person’s activity levels and time spent working out. So… one of these days I should re-calculate those zones but in order to do that I have to race for 30 minutes and use the average heart rate for the last 10 minutes as the Lactate Threshold Heart Rate, which is the reference point for calculating all 5 ranges.

Below are the screen shots relating to today’s indoor rowing:

AGg-Nov-15th-2017-10K-finish
Finish screen view for today’s 10K.
AGg-Nov-15th-2017-10K-rpt
Report for today’s 10K.
AGg-Nov-15th-2017-10K-rp-gph-TWO-irregulars
RowPro graphs for today’s 10K. The two vertical spikes in heart rate were the two times when the heart strap lost count of heart rate and its readout went blank. Those might have been two times when the heart was sputtering and wobbling a bit, but if so it quickly steadied itself and resumed a measurable beat each time.
AGg-Nov-15th-2017-10K-C2-gphs
The Concept 2 online logbook chart for today’s 10K.

Happy rowing and steady heart rate to you.

Resetting The Heartbeat

regular-vs-irregular
The above image was found on a divers’ website called Divers Alert Network.

Immediately after yesterday’s rowing, I got irregular heartbeat.  It has happened occasionally and usually goes away.  When it doesn’t go away soon, it is a real bother.  Yesterday it was a bother.  And last night, during which I slept less than 3 hours.  And this morning, when it was still persisting with that annoying lack of steady rhythm.

It probably wouldn’t have happened yesterday, if I’d done a better warm down.

So today, I made up for not doing a warm down yesterday.  For today’s rowing session, I did 30 minutes and started out at a pace of about 2:40 for the first 1K, 2:35 for the next, 2:30 for the third and so on, with the 6th and final 1,000 meters being done at a pace of 2:15.

AG-Nov-14th-2017-before-rowing-arrythmia
Notice also that my heart rate was higher, at 72, before today’s rowing session, than it normally is. Normally it is in the 60s or lower when I’m sitting.

The irregular heartbeat persisted until the last half of the 30 minutes, when it started to settle down and finally went away completely during the last 5 minutes. The photo immediately above shows the irregular heart rate indication on the screen of the blood pressure tester I used just before today’s rowing. And the photo immediately below shows NO irregular heart rate indication on the screen of the blood pressure tester I used just after today’s rowing.

AG-Nov-14th-2017-after-rowing-arrythmia-gone
Notice that heart rate is lower, right after rowing, than it was before rowing. When I have irregular heartbeat, it tends to be also an elevated higher than normal rate.

Below, are screenshots relating to today’s indoor rowing session:

AG-Nov-14th-2017-30-min-finish
Finish screen for today’s 30 minute session.
AG-Nov-14th-2017-30-min-rpt
Report for today’s 30 minute session. The “End HR” column shows zeros for the first 23 splits because heartbeat was so irregular that the heart strap couldn’t calculate a heart rate.
AG-Nov-14th-2017-30-min-rp-gph
RowPro graphs for today’s 30 minute session.
AG-Nov-14th-2017-30-min-C2-gph
Concept 2 online logbook graphs for today’s 30 minute session.

Happy-hearted rowing to you.

The Meerkat Wouldn’t Play

two-on-the-moon
In the photo on the left, you see the remains of somebody’s stripped-down car. The photo on the right shows a Hyundai on the moon. I’m not sure, but I think that particular model of Hyundai is named “Tucson”. There must not be very many cars on the moon yet, because there is no visible smog.

The above photos have nothing to do with the title of today’s post nor do they have anything to do with today’s rowing.  But I thought it was interesting that a lot of people have put cars and other things on the surface of the moon…. so why not a Concept 2 rowing machine?  Diane volunteered to help put a rowing machine on the moon, so maybe soon … because she is a space cadet with the skills to do it.

results-today
The rower that I tried to get to race with me is the one who is going by the moniker of Meerkat.

Today’s blog post title was inspired by today’s rowing, which was a 30 minute online session with 12 other people. The above screen shot shows the Oarbits’ listing of the session results. The rower who is shown in 10th place is the one who called himself (or herself) Meerkat.

some-meerkats
In case you happen to be a person who doesn’t know what a meerkat is, the above photo shows five of them hanging out together. They are a close-knit society of creatures who have a lot of fans in the society of people who like cute furry creatures. Diane is among the meerkat fans, but not exclusively.  Diane is also a fan of squirrels, prairie dogs, beavers, otters, etc.

I paced Meerkat to stay within less than 1 meter of him (or her) throughout the first 23 minutes or so and then I increased my pace, to try to get Meerkat to row faster so we could perhaps have a fun race to the finish.

But Meerkat wouldn’t take the bait, so I raced my own shadow and the result was a tie.

AFf-Nov-13th-2017-30-min-online-finishb
Finish screenshot for today’s 30 minute online session. On this screenshot, Meerkat shows to be in 9th place. I don’t know why the Oarbits results show the same rower in 10th place.
AFf-Nov-13th-2017-30-min-online-rpt
Report for today’s 30 minute online session.
AFf-Nov-13th-2017-30-min-online-gph
RowPro graphs for today’s 30 minute online session. I don’t know why the heart rate graph is so messy. Quite a few factors can affect it, including battery charge level, lack of sufficient moisture on skin and also whether the heart strap band is sufficiently snug around the chest.
AFf-Nov-13th-2017-30-min-online-C2-gph
Concept 2 online logbook’s version of graphs for today’s 30 minute online session.

Happy rowing to you and your shadow and anyone who will race with the two of you.

 

He Could Have Rowed Faster On The Moon

fewer-legs-needed-on-the-moon
A horse could run faster on only 3 legs, in the gravity of the moon, than it could run on all 4 legs in the gravity of earth. (the artist who made this picture is unknown but has a lot of talent because I’m guessing that he or she was very young when the picture was made.)

Part of the rationale for today’s title is the fact that the pull of gravity for someone on the Moon is only about 17% as much as the pull of gravity for someone on earth. If a horse which was accustomed to the gravity on earth were to experience gravity only 17% as strong, it could probably run faster on three legs in that weaker gravity, than it could run on 4 legs on earth. Keep that in mind when you read about the second online rowing session that I did today.

Today’s indoor rowing consisted of a 5 minute ultra slow session which I will call session 0 (zero) because it was almost zero effort.  The main session was going to be limited to a single 30 minute online session.  But one of the guys, who happened to be in Portugal (not that it matters, but I think its cool that people all over the world can row together online), asked if anyone would like to join him in a second 30 minute session, because he wanted to do more meters.

Nobody else wanted to, so I asked him what pace he would row the second 30 minute session.  He said “Slowly, about 2:05.”

I replied, “I’m 71 and 2:05 is fastly for me.”

One of the other guys, who is located in Connecticut, chimed in with “LOL” and then added “Bigly fastly.” It was a joke which I immediately understood since I’ve been keeping up with current events in America but I don’t know whether any of the rowers in other parts of the world understood it.

Anyway, the guy in Portugal then said he could row the second 30 minutes slower, at between 2:10 and 2:15.  I told him that I’d row with him at a pace of 2:10 and that when the 30 minute timer counted down to 4 minutes remaining, I’d increase my pace to around 2:00 and then he could see how many meters he could finish ahead of me.

So the two of us rowed the second 30 minute session and when the time counted down to 4 minutes remaining, I changed my pace from 2:10 to 2:00.  At first, the other guy kept on rowing at the slower pace.  But then he seemed to notice and he picked up his pace to around 1:52 and caught up to me.  But he didn’t stay at the 1:52 pace and pass me.  Instead, he slowed to match my pace for the remainder of the few minutes left and we finished almost even with each other.

Afterwards, I told him that I’d expected that he’d have finished about 100 meters ahead of me.  Paraphrasing his reply, he said, “I was rowing with only one leg.  I’ve got a cramp in the other leg.  LOL”

So… If he had been located on the moon and rowing online from there…. he could have rowed a lot faster than me, even with only one good leg and the other leg cramped.  I think everyone could row a huge amount faster, if gravity were only 17%.

Today’s rowing added up to more meters than I’d originally intended, but I’ll probably sleep better tonight because of it.

AF-Nov-12th-2017-1-of-2-half-hour-finish
Finish screen for the first of two 30 minute sessions.
AF-Nov-12th-2017-1-of-2-half-hour-rpt
Report for the first of two 30 minute sessions.
AF-Nov-12th-2017-1-of-2-half-hour-gph
Graphs for the first of two 30 minute sessions. The heart rate graph is messy in the first session because the heart strap battery is weak and the heart strap wasn’t 100% wet.
AF-Nov-12th-2017-2-of-2-half-hour-finish-d
Finish screen for the second and faster of today’s two 30 minute sessions.
AF-Nov-12th-2017-2-of-2-half-hour-rpt
Report for the second and faster of today’s two 30 minute sessions.
AF-Nov-12th-2017-2-of-2-half-hour-gph
Graphs for the second and faster of today’s two 30 minute sessions. The heart rate graph is NOT messy for this session because it was 100% completely wet by the time this session started.

Happy rowing to you, whatever your gravity may be and however many arms and legs you have full use of.

 

Wow! Keep Up The Habit!

AEe-exercise-and-HR-dip
This is a screen shot of one of the features of an Apple Watch app which is called Sleep Watch.

The title of today’s blog post is from among the words in a recent message generated by the sleep-tracking app that I’ve been using for quite a while.  The app has a feature called “Discover,” which, if enabled, tries to find significant correlations between the health information that it has been given access to and my nightly sleep.  As you see in the screenshot of its recent “Discover” message, there is more reason to believe that exercise is healthy for you.

Today’s indoor rowing was shorter than recent usual.  Instead of doing at least 10K, I did only 5K.  I will be doing shorter sessions between now and November 24th.  On November 25th, I’ll start doing longer sessions of from 10K to half marathon or more per day and will continue doing longer sessions through December 25th.  The reason for that is because Concept 2 is having its annual charity challenge and for everyone who participates, Concept 2 donates a few cents per 1,000 meters to one of the charities that they have pre-selected.

Today’s 5K piece was done online with 3 others.  Two of the others were in Europe and one, besides myself, was in the U.S. The original tentative “plan” for today’s 5K was to do it at a pace of 2:02 or faster, so as to move up in the 5K world rankings at least one position. Those were very tentative plans.  I ate lunch about 30 minutes before the rowing session and didn’t have time for any warm up.

After a little over 2,000 meters, I decided to slow down and do the remainder of the 5K at a warm down pace.  When the remaining distance was 1,000 meters, I increased the pace to whatever it took, to keep the overall average pace at about 2:15. There was no particular reason or motivation for doing it that way – it’s just what I happened to feel like and agree to within my own mind, during the piece.

AE-Nov-11th-2017-10K-online-rpt
Session report for today’s online 5K piece. The session was done in the early afternoon, starting at about 1 pm locally. The guy who scheduled it named it Saturday Evening Row because he is located in Norway and it was early evening for him.
AE-Nov-11th-2017-10K-online-rp-gph
RowPro graphs for today’s online 5K piece.
AE-Nov-11th-2017-10K-online-C2-gph
Concept 2 online logbook graphs for today’s online 5K piece.

Happy rowing to you, whether short or long distance.

Houston, We Had A Problem

houston-we-have-a-problem
I couldn’t find a picture of a rowing machine on the moon. Diane says she can make a picture like that for me, for use sometime in the future.

Today for the first time in quite a few sessions, I rowed online with a few other people instead of alone.  But things didn’t go perfectly smoothly.  Something went wrong with the RowPro server, which is located in Houston.  Four people started out together, then the server announced that there was a “false start” but it showed two people to be rowing.  One of them never came back.  The other one, though he appeared to be rowing (because his chat room avatar turned into circular arrows) actually was still there, because his avatar turned into a pencil when he started typing to inform the other two of us that he was still there.

So… three of us set up a QR which stands for “Quick Row” which means it is an unscheduled row and we rowed together.  I don’t know what happened to the 4th guy.  He may still be tangled up in the Houston server.

The session online was 10,000 meters.  Before it started, I warmed up with 10 minutes very easy.  During the 10K, I rowed the first 1K at about 2:20, then picked up the pace to around 2:15 which was also about 130 BPM heart rate today.  (It varies from day to day).  For the last 1,000 meters, I went faster so as to elevate the heart rate with a little bit of semi-high intensity sort of rowing, but not too hard.

Afterwards, we said good bye to each other then I did 5 minutes of supplemental rowing.  Because it’s almost dinner time now, I’m not going to take the time to include screenshots of the 10 minute or 5 minute sessions and will only show the 10K session screenshots.

AE-Nov-10th-2017-10K-online-finish
Finish screen for today’s main session, the 10K.
AE-Nov-10th-2017-10K-online-rpt
Report for today’s main session, the 10K.
AE-Nov-10th-2017-10K-online-gph
RowPro graphs for today’s main session, the 10K.
AE-Nov-10th-2017-10K-online-recovery
Apple Watch graph of heart rate for two minute recovery time immediately after stopped rowing the 10K.

Happy rowing to you.

When To Be Happy If You’re Crabby

when-to-be-happy-if-youre-crabby

A guy who’s new to rowing but not that new to other exercise said, “I get a little crabby when I’m not able to get my workouts in.”  It seems that he has achieved a positive addiction to something that is healthy.  That’s something to be happy about 🙂 and I know he is, because he said that since he’s taken to doing some daily exercise, he feels better than he has “in the last 15 years.”

I’m happy for him.

Happily, I too managed to do some exercise today.  It was mostly indoor rowing.  The main session was 10,000 meters which was done at its slowest pace for the first 1,000 meters as a warm up.  For the next 7,000 meters, it was done at an easy pace with a target heart rate of from around 130 to 140.  While I was rowing those 7,000 meters, the “Projected Finish” time on the rowing machine’s monitor would vary between 44 and 45 minutes.

For the last 2,000 meters, it was done at whatever pace it took to make the “Projected Finish” time on the monitor show 44:00 or less, with 44:00 being the target.

Afterwards, I rested for about 3 to 5 minutes, so the Apple Watch could measure and graph HR recovery.  Then I did an additional 5 minutes very easy, to get a few hundred more supplemental meters, to help keep my daily average above 10K per day.

ADd-Nov-9th-2017-10K-online-finish
Finish screen for today’s 10K session.
ADd Nov 9th 2017 10K online rpt
Report for today’s 10K session.
ADd Nov 9th 2017 10K online gph
RowPro’s graphs for today’s 10K session.
ADd-Nov-9th-2017-10K-online-C2-gphs
Concept 2 online logbook’s graphs for today’s 10K session.
add-nov-9-2017-10K-recovery-AW
Since the latest Apple Watch update, I like to look at its feature which shows heart rate recovery after exercise. It is only relevant if HR gets somewhat elevated. The watch only stores the HR recovery graphs like this for workouts done that day. (The next day, when you do workouts, those results overwrite the previous day’s). This shows HR recovery for today’s 10K session.
add-nov-9-2017-10K-AW
The Apple Watch workout graphs only show heart rate versus time for workouts logged with the watch. It’s not as much information as provided by RowPro and the rowing machine, but it’s nice that the watch has that new feature. This is its graph for today’s 10K session.
AD-Nov-9th-2017-supplemental-meters-online-finish
Finish screen for the easy, lazy 5 minutes of rowing to get a few more meters after today’s main rowing.
AD-Nov-9th-2017-supplemental-meters-online-rpt
Report for the 5 minutes.
AD-Nov-9th-2017-supplemental-meters-online-gph
Graphs for the 5 minutes.

Happy rowing addiction to you.

 

A Long Warmup For A Short Race

nov-17-c2ctc-challenge

Today’s indoor rowing started with a 10K session which was done at a pace of 2:20/500 meters.  It served as a warmup for the “race” which followed. The Apple Watch graph of HR recovery for two minutes immediately following the 10K warmup is below this paragraph:

AD-Nov-8th-2017-after-10K

The “race” was 4 intervals of 750 meters, with 3 minutes of rest after each 750 meter interval or 4×750 r3:00 in rowing shorthand. The latter was done for this month’s c2ctc.com challenge, called The Red Line Rev Up, after the rowing club whose idea it was. The Apple Watch graph of HR recovery for two minutes immediately following the 4×750 r3:00 is below this paragraph:

AD-Nov-8th-2017-after-4x750

As a final warm down, I rowed gently for 5 minutes. The recovery graph after the 5 minute warm down is not worth looking at since the heart rate was already so low at the end.

A comment about the “race”:  Since I so seldom row hard, I wasn’t sure what pace to attempt.  The first 750 meters was attempted at a pace of 1:48 but that turned out to be too fast, when I started having trouble getting enough air into my lungs with each inhalation.  So I did the next two 750 meter intervals quite a bit slower.  Those seemed a bit too easy, so I did the final interval a bit harder than the middle two, but slower than the very first interval. As a result, the graph of pace for the string of 4 intervals is shaped a bit like a lop-sided bowl.

Here are screenshots relating to the rowing done today:

AD-Nov-8th-2017-10K-online-WU-finish
Finish screen for the 10K warmup. It was done online but nobody else noticed it in time to join, so it was done alone.
AD-Nov-8th-2017-10K-WU-rpt
Report for the 10K warmup.
AD-Nov-8th-2017-10K-WU-rp-gph
Graphs for the 10K warmup.
Screen-Shot-2017-11-08-at-5.14.20-PM
Concept 2 online logbook charts for the 10K warmup.
AD-Nov-8th-2017-4x750r3min-finish
Finish screen for the 4×750 r3:00 “race”.
AD-Nov-8th-2017-4x750r3min-rpt
Report for the 4×750 r3:00 “race”.
AD-Nov-8th-2017-4x750r3min-rp-gph
Graphs for the 4×750 r3:00 “race”.
AD-Nov-8th-2017-5min-WD-rpt
Report for the 5 minute warm down.
AD-Nov-8th-2017-5min-WD-gph
Graphs for the 5 minute warm down.

Happy rowing to you.

 

 

Late And A Bit Short But Satisfying

ACc-Nov-7th-2017-8K-online-recovery
The Apple Watch’s new workout recovery measuring feature showed a satisfactorily steep recovery curve during the two minutes after today’s 8K.

Today’s indoor rowing took a lower priority than visiting the dentist, running errands and other things not worth listing.  One thing that might be worth listing among “other things” is that I printed a few cards onto business card stock and will carry some of them with me when out of the house, so that I can give them to anyone who shows what seems to be any real interest in exercising on an erg. What the cards look like is shown immediately below this paragraph.

front-and-back-of-card
If some of the people who are lucky enough  🙂  to get one of these cards take up indoor rowing and also row on the internet, perhaps I’ll have a bit more company in this time zone when rowing online. That would be nice. The image above shows the front view (left) and the back view (right) of what each card looks like.

Because today’s rowing was started late, it was less than the usual minimum goal of 10K in order for me to finish before dinner time.  But at 8K, it was close and it felt like it did some good.

If you look at the heart rate graphs for today’s session report and notice that the graphs are messy again, I think that’s because in addition to the strap transmitter having a low battery of between 40% to 60%, the strap wasn’t wet enough when the session started.  It’s a cloth strap and only works when it is wet.  Also, my skin was dry.  And the room was a bit cold.  So, with the moderate pace of rowing, it took quite a while before there was perspiration enough for the heart strap to be optimally conductive to the heart signal.

The session was at an easy pace but it was fun and mentally absorbing because once again I avoided watching a distracting movie and instead just focused on the rowing, counting strokes and other mindful rowing-oriented thoughts.

Here are today’s rowing session screenshots:

ACc-Nov-7th-2017-8K-online-finish
Finish screen for today’s 8K session.
ACc-Nov-7th-2017-8K-online-rpt
RowPro report for today’s 8K session.
ACc-Nov-7th-2017-8K-online-rp-gphs
RowPro graphs for today’s 8K session. It took a while for the heart strap to become sufficiently wet with perspiration, for it to conduct the heart signal reliably.

Looking forward to a couple of race-pace sessions sometime this month:  For c2ctc.com, I’ll do this month’s challenge which is called The Red Line Rev Up. And for the Indoor Rowers League, the challenge event for November is to do 6,344 meters at race-pace.  I’ll probably do the c2ctc challenge first.  For the Indoor Rowers League challenge, I’ll wait until toward the end of the month to do it, so I can see how the others in my age group do, and choose which of those times to use as a target to beat. 🙂

Happy rowing to you.

The Trees Have Claws

nighttime-plumbing
The plumber, while he was locating and dealing with the root-stoppage yesterday evening.

As warm-up before today’s rowing, I cut down three small trees. They were the most likely culprits for an invasion of roots into sewer pipe behind our house.  The stopped- up drainpipe from house to sewer was somewhat of an emergency yesterday evening, which warranted a weekend and nighttime visit by a plumber who specialized in that problem.

culprit-trees
Some of the results after cutting down two of the three small Palo Verde trees.

The area where the roots invaded was right under three small Palo Verde trees, so they were all three cut down today.

not-cat-scratches
The catty trees left a few scratches.

Palo Verde trees are pretty when they bloom, but they are not nice to be physically close to.  They are covered with stiff, needle-sharp thorns.  The three scratches on my arm are three of a few scratches received while cutting and carrying away branches. A few cactus thorns managed to get stuck in my legs also.  Ordinary results, it seems, when working near and among native desert foliage and plants.

Palo Verde trees don’t make good firewood either.  If burned in a fire, the wood burns quickly and the smoke stinks.

As for today’s rowing:  It was more fun than it had been the previous few days.  The reason it was not boring and was fun today is:  I didn’t watch any movies or videos to distract from the experience of rowing.  The rowing was mindful, focused and sufficiently ethereal to be fun and mentally absorbing.  Even though I rowed alone…. online, but alone. Sigh.

AC-Nov-6th-2017-10K-online-finish
Finish screen for today’s 10K.
AC-Nov-6th-2017-10K-online-rpt
Report for today’s 10K.
AC-Nov-6th-2017-10K-online-gph
RowPro charts for today’s 10K.
AC-Nov-6th-2017-10K-online-C2-gph
Concept2.com online logbook graph for today’s 10K.

Happy rowing to you.