Don't Stop Believin'

Tuesday, April 1st, 2008

HQ's assigned 800m run repeats don't mix well with today's rain, so we're doing this instead:

"Don't Stop Believin'"

For time:

Row 4000m @ 2min/500m pace
Within the next 16 min. hang clean 50% of your bodyweight 21 times
Row 2000m @ 2min/500m pace
Within the next 8 min. hang clean 50% of your bodyweight 18 times
Row 1000m @ 2min/500m pace
Within the next 4 min. hang clean 50% of your bodyweight 15 times
Row 500m @ 2min/500m pace
Within the next 2 min. hang clean 50% of your bodyweight 12 times

Post time to comments
.

Articles of note:

CrossFit is featured in this month's Muscle and Fitness...

Read more...

Benchmark After Benchmark - Fran's Up, Folks

MONDAY, MARCH 31, 2008

"Fran"

Three rounds, 21-15- and 9 reps, for time of:
95 pound Thruster
Pull-ups

Post time to comments.

Compare to February 14, 2008.

Articles of note:

Weight Lifting 101: The Definitive Guide to Weight Lifting: (Stronglifts.com)

Benefits of Weight Lifting. Lifting weights has several advantages over machines & body-weight exercises.
  • Accessible. Pull-ups & Dips force you to lift your own body-weight. Weight lifting is easier: start with an empty bar, increase the weight by 2.5kg/5lbs each workout. You'll get stronger as the weight increases.
  • Versatile. You can do plenty of exercises with only one barbell. No need for expensive machines.
  • Builds Strength. You get stronger as the weight on the bar increases. Weight lifting also teaches you to balance the weight.
  • Builds Muscle. The stronger you become, the more muscles you'll have. Your muscle mass increases as the weight on the bar gets heavier.
  • Burns Fat. Muscle burn calories. The more muscles you build, the more calories you'll burn. Your body fat will decrease.
  • Increases Health. Increased testosterone levels, increased flexibility, increased cardiovascular fitness, stronger joints, etc.
  • Safe. Weight lifting is the safest sports. Machines are not safe: they force you into a fixed, unnatural movement pattern. Couple that with heavy weights & you risk injuries.
The couple that diets together... (Mark's Daily Apple)
A Guide To Cultivating Compassion In Your Life (zenhabits.com)
Good Sleeping, Good Learning, Good Life (supermemo.com)
In Deep Dish Land, a Thinner Blue Line (NY Times)
Five Limiting Factors (T-Nation! Not necessarily work/family safe)
From Ross Enamit, Jack LaLanne on physical culture, "a matter of life and death":



Just in case you needed a kick in the ass today -- Dr. Randy Pausch's last lecture:

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TOMORROW'S 8:00 AM CLASS IS CANCELED

Really sorry guys! But we're still on schedule for the evening WOD classes at 6, 7 & 8 PM. See you then!




Our friend Major Henry Rogers down at the Pentagon doing our t-shirt proud. Oh, yeaaah!

What About Caloric Restriction? (Robb Wolf)

Most people approach dieting as some kind of calorie restriction...typically low fat, high carb (as a percent of calories) and a hellish application of meal skipping. This is the prudent eating approach that dooms people to failure, stripping away muscle mass and generally reinforcing bad eating habits. By contrast if we get people changing the composition of their food towards the low-ish carb paleo direction we control insulin levels and by extension hunger. This is what Barry Sears talks about in the Zone...

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Whaaa - Again?!

SATURDAY, MARCH 29, 2008

"Fight Gone Bad!"

Three rounds of:
Wall-ball, 20 pound ball, 10 ft target (Reps)
Sumo deadlift high-pull, 75 pounds (Reps)
Box Jump, 20" box (Reps)
Push-press, 75 pounds (Reps)
Row (Calories)

In this workout you move from each of five stations after a minute.The clock does not reset or stop between exercises. This is a five-minute round from which a one-minute break is allowed before repeating. On call of "rotate", the athletes must move to next station immediately for best score. One point is given for each rep, except on the rower where each calorie is one point.

Add your points and post them to comments.

Compare to March 19, 2008.

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Split Jerk

FRIDAY, MARCH 28, 2008

Split Jerk 3-3-3-3-3 reps

Post loads to comments.

Headquarters is calling for a Max Effort day, but instead we'll introduce the Split variation of the Power Jerk movement you learned in the Core Curriculum, and then we'll practice, practice, practice with relatively light weights. Skill work afterwards: double-unders, handstand holds, l-sits, and more.



Adam of CrossFit Victoria demonstrates a decent split jerk.

Catalyst Athletics' Mike Burgener lectures on the split jerk.

Articles of note:
The Non-Negotiability of Perfection (Again Faster):

CrossFit is the pursuit of athletic perfection--performing difficult workouts with technical mastery under conditions of duress. We're looking for flawless form with a jackhammering heart, bursting lungs, and battery acid-filled veins...
CrossFit Criteria (Performance Menu)

Uh-oh, it's magic. Five magic fat loss tips from Josh Hillis:

1.) Sleep an extra hour per night. The hormonal response produced from getting the sleep that you really need, is truly magical.

2.) Eat breakfast. When you break your night long starvation and feed yourself with the food that you need, it boosts your metabolism.

3.) Keep a workout log. Track how often you are really getting in to the gym, and how much stronger you are really getting.

4.) Keep a food log. Track the number of meals that you eat each week that are unprocessed, whole food, and have protein. Track the number of meals you eat that are crap. Make sure you have good food at least 80% of the time. Ideally 90%.

5.) Repeat steps 1-4. They are the things you should be doing anyway. Magical results come from doing the basics correctly, and with consistency.

READ THIS. From CF Watertown, "Intensity and Your CrossFit Training":
Did you hear the story about the guy who died doing CrossFit? It's true. He didn't go hard enough on "Helen" so his trainer killed him.
Huzzah! :) Come on, that's funny. Look, there are lots of rumors and untruths about CF flying about lately; we shouldn't be surprised, because anything that challenges peoples' preconceptions and habits is bound to arouse some fear and suspicion. It's a little irritating, but we can keep our sense of humor about it--we know what the facts are. So do the people who actually come in and train with us. Don't heed the hearsay. Come in and see for yourself.

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"Although the world is full of suffering, it is full also of the overcoming of it." -- Helen Keller

THURSDAY, MARCH 27, 2008

"Helen"

Three rounds for time:
Run 400 meters
1 1/2 pood Kettlebell X 21 swings (or 55 pound dumbbell swing)
12 Pull-ups

Post time to comments.

Bring your running shoes. If it doesn't rain, we can do this out behind the Paragon Building, on the Manhan trail. Check out OPT (James Fitzgerald) of CrossFit Calgary performing an incredible 6:59 Helen:



Articles of note:
"Angry Music Gets You in the Right State of Mind" (New Scientist)
"Yes, Running Can Make You High" (NY Times)
"Nerds of Steel" (NY Observer)
"Big Belly Boosts Risk of Dementia" (NY Times)
"Tired? Take a Nap" To which I can only add, "DUH." (Scientific American)



Two of our firemen, Andy & Jon, toughing out their morning Knees-to-Elbows.

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Daniel Day-Lewis

WEDNESDAY, 25 March 08

I was going to call this one "There Will Be Blood" (because the action sort of reminds me of drilling for and striking oil), but hey, there won't be, because Dynamax balls are plenty soft, even if one accidentally smacks you in the face.

"Daniel Day-Lewis" a.k.a. "Balls to the Wall"

For time:

100 medball clean-wallball-burpees

Just like it sounds: clean the 20lbs medicine ball, throw it at the 10' target, catch it, put it down, and do a burpee with your hands planted on it. Rinse. Repeat.



Chris "Problem Child" Moussa enjoys a moment of quiet repose after tearing up today's WOD.

Articles of note:
You should've listened to your mother: "Skipping Cereal and Eggs, and Packing on Pounds" (NY Times)
"Five 'Ah Hah!' Moments" (T-nation)
Inspirational Quotes from MacSweeney's. Sample:

"Winning isn't everything. Losing is also a thing, as are eggs and bonnets and quilts and, I believe, red trucks."
Gawker on CrossFit:
CrossFit is an internet-based cult of fitness for psychos, itinerant preachers, ex-killers, and crazy people of all stripes. I have met some people who do CrossFit, and they are scarily in shape and also not at all fun to be around. All you have to do is complete the psycho workout routine posted online every day.
Finally, someone gets it right!

Read more...

Boys and Girls, Meet Barbara

TUESDAY, MARCH 25, 2008

"Barbara"

Five rounds, each for time of:
20 Pull-ups
30 Push-ups
40 Sit-ups
50 Squats

Rest precisely three minutes between each round.

Post time for each of five rounds to comments.

Breaking news: Our friend Rob from Crossfit NYC got his first muscle-up tonight! Hells yeah, Rob! Sean and I are claiming full credit; Well, you see, Rob came by to visit us on Friday and we couldn't have him leave without giving him something to remember us by:

For time:

50 Push-ups
15 20" Box Jumps
50 Pull-ups
15 Box Jumps
50 Wall Ball
15 Box Jumps
50 Ring Dips
15 Box Jumps
50 Squats
15 Box Jumps







Congratulations Rob!!

Articles of note:
Common Misconceptions
Natives Go Native and Lose Fat
CrossFit Watertown responds to Virginia Heffernan's NY Times article
Study Shows Popular Energy Drinks Rot Teeth

And for your viewing pleasure, "Beyond Burpees":



...not to mention, "Heavy Metal Parking Lot":

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120 is the New 30

Monday 080324

30 Muscle-ups for time

Post time to comments.

If you cannot do the muscle-ups do 120 pull-ups and 120 dips. For time! Huzzah! But we'll amend it to something like 60 pull-ups and 60 dips if you do 30 self-assisted MUs.

Some articles you may find interesting:

Carrageenan carnage: "Beware of the Big 'C'"
"Pimp My Meal" (Warning: it's T-Nation! Those with delicate sensibilities may be offended.)
"How to Get a Body Like Ivan Stoitsov"

Read more...

CrossFit in the The New York Times

Viriginia Heffernan has followed up her recent blog post about CrossFit with a two page article in this Sunday's NY Times Magazine.

CrossFit has 450 chapters in 43 states (and several other countries). The network has a message for the merely healthy: "Your workout is our warm-up." Every day, its members consult CrossFit.com like a Book of Common Prayer, receiving instructions for their workout rites and periods of rest. Performing caveman feats like hauling, clambering, trudging, snatching, hurling and deadlifting, CrossFitters deliberately overwhelm and distress their bodies, executing near-impossible stunts with as much weight as they can bear. A Workout of the Day, or W.O.D., might include 50 kettlebell swings, 3 800-yard dashes in rapid succession and 10 pull-ups. Then repeat. No breaks. No weight machines. All you need is a body built for discipline and a mind that can justify so much apparent self-abuse.

It seems she can't seem to make up her mind whether she admires CrossFit for its demanding nature, or condemns it for the same. Of course, it doesn't matter much either way, but...not to pick a nit, but wouldn't it be nice if, along with making disparaging remarks about how Crossfit calls for "caveman feats" and "circus strongman stunts," she also noted that the program is easily modified, depending on a given athlete's level of ability, to efforts as simple as hoisting a broomstick overhead?

To Virginia I say: don't be afraid. You've penned two articles about CrossFit now, with nary a word about your own, first-hand experience. I know the Black Box, CrossFit's Manhattan affiliate, has extended an open-ended invitation to you: please, before you smear us again, go try it out. See if the people you meet there are frothing-at-the-mouth cultists. I think you'll find instead a community of individuals who've discovered what a difference striving for athletic excellence makes, in every aspect of their lives.

Some great responses posted by readers:

To correct some misconceptions perpetuated here: Crossfit posts WODs, but also offers suggestions for how to scale each workout to your own fitness level. If you read the forum comments carefully, you'll notice that XFitters routinely make substitutions for the "prescribed" movements.
Emphatically, XF is NOT a dangerous workout. I'm a mild-mannered middle school teacher by day, but at night I crossfit. I'm wary of any type of extreme sport. Heck, I don't even downhill ski anymore after tearing a knee ligament. And I quit my two-year practice of Ashtanga Yoga after an overly-aggressive instructor pushed me into a pose that caused a long-term hamstring injury. But I love to push myself *safely* to reach my physical limits in the gym, and nothing has worked better and kept me injury-free better than crossfit. And I never get bored; in fact, most days I can't wait to get to the gym! I am stronger and faster at 41 than I have ever been in a lifetime of athletic activity. (Thanks, Coach.) -- Posted by mirulhi

Read more comments

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Hippity Hop

SATURDAY, MARCH 22, 2008

"Hippity Hoppity"

...Easter's on its way. In 30 minutes, complete as many rounds as you can of:

5 Medicine Ball Bunny Hops (with 20lbs medball)
5 L-Pull-ups
5 Medicine Ball Bunny Hops
10 Plyometric Medicine Ball Push-ups - 5 each arm
10 Medicine Ball Sit-ups
10 Medicine Ball Good Mornings

Read more...

Holy Friday, Batman!

FRIDAY, MARCH 21, 2008

For time:
15 Handstand push-ups
1 L Pull-up
13 Handstand push-ups
3 L Pull-ups
11 Handstand push-ups
5 L Pull-ups
9 Handstand push-ups
7 L Pull-ups
7 Handstand push-ups
9 L Pull-ups
5 Handstand push-ups
11 L Pull-ups
3 Handstand push-ups
13 L Pull-ups
1 Handstand push-up
15 L Pull-ups

Post time to comments.

It is Good Friday so we could have other treats in store for you when you come in. Expect nothing but the unexpected here! No, not really. Just get here; get it done. Good times to be had!

Read more...

In Like a Lion, Out Like A Lamb

THURSDAY, MARCH 20, 2008

Four rounds for time:
Run 400 meters
Rest 2 minutes

Post time to comments.

We were really hoping tomorrow's weather would grace us with a nice dry day for some trail sprints but alas, we'll pound pavement another time. As a sub, we'll have you guys 1. Row 400 meters or 2. WOD a la surprise (find out when you come to class tomorrow).

From the Des Moines Clarion Ledger: "Short, Feverish Workouts Are a Draw"

And from the New York Times,
In October, Mr. Perlow was in Denver on business for his day job as a systems integration expert. He fell ill, and what seemed like a case of altitude sickness turned into a three-day hospital visit. There he heard the grim truth: He was diabetic. He weighed more than 400 pounds, his blood pressure was dangerously high and his blood was thick with glucose and cholesterol.

A doctor told him he would be dead in five years.

"I wasn't shocked but I thought maybe it's time the party's over," he said.

Read "The Fat Pack Wonders if the Party's Over"

Read more...

Fight For Your Life...?

WEDNESDAY, MARCH 19, 2008

...well, that's what a newbie to CrossFit once called it. Pretty damn close, though.

"Fight Gone Bad"

Three rounds of:

Wall-ball, 20 pound ball, 10 ft target (Reps)
Sumo deadlift high-pull, 75 pounds (Reps)
Box Jump, 20" box (Reps)
Push-press, 75 pounds (Reps)
Row (Calories)

In this workout you move from each of five stations after a minute.The clock does not reset or stop between exercises. This is a five-minute round from which a one-minute break is allowed before repeating. On call of "rotate", the athletes must move to next station immediately for best score. One point is given for each rep, except on the rower where each calorie is one point.

Add your points and post them to comments.

New York Times blog article: "Our Warm-Up Is Your Workout." It's hard to tell--the post is poorly written--but I think Virginia Heffernan honestly likes CrossFit.



Firemen Andy & Jon from the Florence Fire Department gettin' some this morning.

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The Mildly Eccentric Irishman

TUESDAY, MARCH 18, 2008

"The Mildly Eccentric Irishman"

For time:

20 Wall Balls (20lbs)
40 Kettlebell Swings (1 Pood)
60 Ab Mat Sit-ups
80 Good Mornings (with PVC pipe)
100 Double Unders

Post time to comments.

Thanks to Drew in CT for the inspiration.

Always nice to see CrossFit in the mainstream media: "Fatigued in 15 Minutes"
Also of interest: "Mastering Failure"
Kinda corny, but incredibly inspirational. Tony Robbins tells the story of how Sly Stallone overcame endless rejection and setbacks to make "Rocky":


Read more...

Green, Green, It's Green They Say

MONDAY, MARCH 17th, 2008

"Nate"

Complete as many rounds in twenty minutes as you can of:

2 Muscle-ups
4 Handstand Push-ups
8 2-Pood Kettlebell swings

Post rounds completed to comments.

Watch CrossFit superstar Eva T. totally drill this workout (with men's prescribed weight!) (wmv) (mov)

A couple of interesting articles:
The health-club culture tries to create a dependency on machines," says Vern Gambetta, a trainer with 38 years of experience training professional and recreational athletes, and the author of Athletic Development: The Art & Science of Functional Sports Conditioning. "If you have a limited amount of time to work out, you're better off ditching the machine to do different kinds of body-weight and whole-body exercises. You'll get more caloric burn for your time spent." Critics also charge that a traditional machine-centric regimen has other downfalls. In general, it relies excessively on the discipline of the exerciser, it promotes training muscles in isolation (as opposed to how muscles really work, in a chain of movement), and it can stress vulnerable joints more than is necessary. At issue is not only the very meat and potatoes of how you work out' but also the best way to get the most out of your time in the gym..."

Are You Putting Thought Into Your Workout?

And also this:
People don't think much about the health of their neck — at least not until they hit their 40s and 50s, and realize that they've woken up with numbness and non-functioning muscles in their arms because they've blown a disc...

5 Common Technique Mistakes: How Little Problems Add Up

Thought-provoking stuff, especially the criticisms of cervical hyperextension. I'm guilty of this, you're guilty of this, practically every CrossFitter in every demo video is, too. In a perfect world, intensity wouldn't compromise technique, but here in the real world, it does. What's the correct balance? How much risk is acceptable?

Read more...

Jungian Myers-Briggs Typology: Which Type Are You?

SUNDAY, MARCH 16, 2008

"Nicole"

Complete as many rounds in 20 minutes as you can of:
Run 400 meters
Max rep Pull-ups

Post number of pull-ups completed for each round to comments.



Do crossfitters fit a certain personality type?

Click here to take the MBTI test.

Read more...

How Powerful Is Your Snatch?

SATURDAY, MARCH 15, 2008

Snatch 1-1-1-1-1-1-1 reps

Post loads to comments.



How many of the following 10 components of physical skill does the Snatch require?

  1. Cardiovascular/Respiratory Endurance
  2. Stamina
  3. Strength
  4. Flexibility
  5. Power
  6. Speed
  7. Coordination
  8. Agility
  9. Balance
  10. Accuracy

Read more...

The Ascent of Man

FRIDAY MARCH 14, 2008

"The Ascent of Man"


In twenty minutes, complete as many rounds as possible of:

5 sit-ups
5 squats
5 burpees
5 overhead squats (75lbs for men, 50lbs for women, power snatch into position)
5 pull-ups

Post rounds to comments.



No bashing in skulls with the barbells, please.

For those of you who were working so hard in yesterday's ME Black Box class, a great article on clean technique: "Meeting the Bar."

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We're Thinking Double Unders - Lots and Lots of Double Double Unders Unders

THURSDAY MARCH 13, 2008

"Michael"

Three rounds for time of:
Run 800 meters
50 Back Extensions
50 Sit-ups

Soon enough we'll be hitting the beautiful Manhan Trail; until then grab a pair of your most comfy kicks and get ready to Jump, Jump!



Kris Kross sez, "Hope you've been practicing your DU's."

Today we'll be subbing 100 double-unders for each 800m run.

Post time to comments.

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Bring a Towel

"Tommy V"

For time:
115 pound Thruster, 21 reps
15 ft Rope Climb, 12 ascents
115 pound Thruster, 15 reps
15 ft Rope Climb, 9 ascents
115 pound Thruster, 9 reps
15 ft Rope Climb, 6 ascents

Post time to comments.

The prescribed substitute exercise for a 15' rope climb is 15 towel pull-ups. (12*15) + (9*15) + (6*15) = 405. Gulp. Prepare to scale the heck out of this one.


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It Ain't Spring Yet

HQ is calling for a 5k run today, but then, HQ is in Prescott, AZ (where the Glassmans now reside), and not the still-frigid Northeast. In a month or so (when the snow's all gone, and it's no longer below freezing outside) we'll be doing some nice long runs on the Manhan rail trail. In the meantime we'll keep inside, all nice and toasty warm, for some metcon fun. Metcon fun that simulates running up a mountain with a fully loaded pack, that is.

"Into Thin Air"

Burpee
Clean 50lbs sandbag, shoulder it
Step-up left on 18" box, step down
Step up right

Repeat 75 times for time. Alternate shoulder sides for bag carry. Post time to comments.

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We're Bad, We're Nationwide

Our new "Drink the Kool-Aid" shirt is featured on today's CrossFit Affiliate blog. Lisa Lugo says,

"Undoubtedly one of the best CF shirts we've seen..."
To which Sandy and I say, Thank you! And also, Oh yeah!

Read more...

Feeling Chipper?

You can thank Sandy for this one.

For time:

50 20" Box Jumps
50 Dumbbell snatch, 40lbs (25 right arm, 25 left arm)
50 Lunging Waiter's Walks w/ 40lbs DB (25 right arm, 25 left arm)
50 Pull-ups
50 Burpees

Post time to comments.

Read more...

Jump Ship

Hang squat clean 3-3-3-3-3-3-3 reps

Post loads to comments.

For those of you who'd prefer a taste of home-brewed metcon, we've got something saucy cooked up.

And here's what the noon class got!

"War Canoe"

3 rounds @ 5 different stations

Row 250m -- this is the pace setter. As each person takes a turn rowing, everyone else is trying to get as many reps as they can of:
Wall Balls
Ring Rows w/feet on box
Burpees
Knees to Elbows

At completion of row, everyone rotates to next station, FGB-style. Row is not for points, but row as hard as you can to minimize the time your competitors have to complete reps. No breaks.

(Tip o' the hat to CrossFit NYC's "Man Overboard" for inspiration)

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By Popular Demand

...our legendary (or at least it deserves to be) recipe for Muscle Milk ice cream. I might as well just quote from my post on the CrossFit messageboard:

In my house, we LOVE LOVE LOVE ice cream. But we'd been having some trouble reconciling our lust for ben & jerry's with our zone diet aspirations. the solution: homemade, muscle milk-based ice cream. it's really easy to make, absolutely delicious, and, if my calculations are correct, far more zone-friendly than regular ice cream.

Directions:
Mix one pint of half-and-half and 2 scoops of muscle milk (we used chocolate milk flavor) in a sauce pan
in a separate bowl, beat 2 eggs
bring just to a boil, remove saucepan from heat
pour 1/3 heated base into beaten eggs and mix completely
pour back into saucepan
simmer and stir until the base coats the spoon
pour into pyrex dish and chill in freezer
after 45 minutes, remove from freezer and stir until smooth
pop it back into the freezer and chill for another 1-2 hours, stirring it smooth every half hour or so

makes about a pint.

here's how it breaks down nutritionally:
1 serving = 1/2 cup
fat: 19g
carb: 5.5g
protein: 15g

here's how it stacks up against ben & jerry's chocolate fudge brownie:
1 serving = 1/2 cup
fat: 13g
carb: 30g
protein: 4g

the half-and-half might seem a little rich, but we tried it with regular milk and it was just a bit too icy. hand-stirred, it won't be quite as smooth as machine-made ice cream; it's almost like gelato. but it's goooooood, especially if you serve it over some fresh berries. let me know if you come up with any improvements.

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Oh, Yeaaah!










Pioneer Valley CrossFit t-shirts now available, only $20 in sizes S, M, L. Click the Paypal button to place to your order. Also of interest: Wikipedia's article on Fair Use and Parody. (To quote Max Fisher in Rushmore: "What are you, a lawyer?")

From the CF comments page:

I apologize for changing the subject off of the integrity thing, but what the hay is crossfit cool-aid? I don't want to assume that it's just cool-aid. So what the hay is it?

Comment #56 - Posted by: Shawn C at February 21, 2006 7:29 AM

Shawn C (#56):

Kool-Aid is an insiders' joke. "Drinking the Kool-Aid" is a slang expression for fanatical devotion to a cult (which some accuse CrossFit of being). We (mostly) take it in stride, and poke fun of the idea.

Google "Jonestown" if you want to know the origins of the slang.

Comment #61 - Posted by: davidjwood at February 21, 2006 8:20 AM

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The Light Side

"Diane"

21-15-9 reps of:
225 pound Deadlift
Handstand push-ups

Post time to comments.

Exhausted after two grueling rounds, Brandon and Brad try to complete Diane by using The Force.

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Machines Are Still Bad, Mmmkay?

CrossFit making headlines in The Denver Post:

Nautilus and similar machines may have democratized strength training in the past quarter-century, making it a more accessible and less threatening pursuit. But there has been a gradual recognition that the same ease of use can also limit the outcome. Complexity - whether in the form of unstable surfaces that challenge balance during exercise, or dynamic movements that involve more of the body - can produce a variety of benefits. It strengthens the core muscles of the abdomen and back, helping lessen the need for a separate abdominal routine, and burns more calories than conventional weight lifting.

Read the full article here...


Fig. 1: Machine training.

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