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overfiftylifter

This study, I think, may relate to the possible benefits of these new machines.

J Strength Cond Res. 2009 Apr 20.

Effects of Different Accentuated Eccentric Loads on Acute Neuromuscular, Growth Hormone, and Blood Lactate Responses During a Hypertrophic Protocol.

Ojasto T, H?kkinen K.

Department of Biology of Physical Activity, University of Jyv?skyl?, Jyv?skyl?, Finland.

Ojasto, T and H?kkinen, K. Effects of different accentuated eccentric loads on acute neuromuscular, growth hormone, and blood lactate responses during a hypertrophic protocol. J Strength Cond Res 00(0): 1-8, 2009-This study monitored acute neuromuscular responses and growth hormone (GH) and blood lactate (La) concentrations in the eccentric-concentric (ECC-CON) hypertrophic protocol by using various dynamic accentuated external resistance (DAER) loads in the bench press exercise. Male subjects (age = 32 +/- 4 years; n = 11) performed 4 sets of 10 repetitions with 2 minutes of recovery between the sets. The loads were 70, 80, 90, and 100% of 1 repetition maximum (RM) for the ECC phase, whereas 70% RM was constantly used for the CON phase. Electromyographic activity (EMG), ECC, CON, and isometric (ISOM) forces, serum GH and blood La, were measured at pre- and postloading. Significant reductions occurred in ISOM and CON pre- to postforces in all loading conditions (p < 0.01 - 0.001). Pre- to postchange in blood La in the 90/70% condition (9.5 +/- 2.3 mmol.L) was greater (p < 0.05) than in the control 70/70% condition (7.7 +/- 1.1 mmol.L). The highest individual pre- to postchange in blood La was larger after the 90/70% (p < 0.001) condition compared with the 70/70% condition. The post-GH concentration in the 90/70% loading was 8.7 +/- 1.9 mug.L and in the abstract. --> 3.5 +/- 1.5 mug.L in the control condition, but the difference did not reach statistical significance. ECC EMG of the agonists increased with the increase in load but significantly only in the deltoid anterior (p < 0.01). A significant relationship was observed between the "optimal" ECC load and 1RM per body mass (BM)-ratio (r = 0.85; p < 0.05). The findings suggest that the acute metabolic and GH responses in the 90/70% condition were more favourable compared with the 70/70% condition, and a significant correlation between the optimal ECC load and 1RM per BM-ratio was observed. The findings can be applied into practice in designing exercise protocols in training for muscle hypertrophy and suggest the importance of individualized load selection for DAER exercises.

Overfiftylifter-curious to hear more about the FIBO trip.
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BIO-FORCE

California, USA

overfiftylifter wrote:
This study, I think, may relate to the possible benefits of these new machines.

J Strength Cond Res. 2009 Apr 20.

Effects of Different Accentuated Eccentric Loads on Acute Neuromuscular, Growth Hormone, and Blood Lactate Responses During a Hypertrophic Protocol.

Ojasto T, H?kkinen K.

Department of Biology of Physical Activity, University of Jyv?skyl?, Jyv?skyl?, Finland.

Ojasto, T and H?kkinen, K. Effects of different accentuated eccentric loads on acute neuromuscular, growth hormone, and blood lactate responses during a hypertrophic protocol. J Strength Cond Res 00(0): 1-8, 2009-

This study monitored acute neuromuscular responses and growth hormone (GH) and blood lactate (La) concentrations in the eccentric-concentric (ECC-CON) hypertrophic protocol by using various dynamic accentuated external resistance (DAER) loads in the bench press exercise. Male subjects (age = 32 +/- 4 years; n = 11) performed 4 sets of 10 repetitions with 2 minutes of recovery between the sets. The loads were 70, 80, 90, and 100% of 1 repetition maximum (RM) for the ECC phase, whereas 70% RM was constantly used for the CON phase.

Electromyographic activity (EMG), ECC, CON, and isometric (ISOM) forces, serum GH and blood La, were measured at pre- and postloading. Significant reductions occurred in ISOM and CON pre- to postforces in all loading conditions (p < 0.01 - 0.001). Pre- to postchange in blood La in the 90/70% condition (9.5 +/- 2.3 mmol.L) was greater (p < 0.05) than in the control 70/70% condition (7.7 +/- 1.1 mmol.L).

The highest individual pre- to postchange in blood La was larger after the 90/70% (p < 0.001) condition compared with the 70/70% condition. The post-GH concentration in the 90/70% loading was 8.7 +/- 1.9 mug.L and in the abstract. --> 3.5 +/- 1.5 mug.L in the control condition, but the difference did not reach statistical significance. ECC EMG of the agonists increased with the increase in load but significantly only in the deltoid anterior (p < 0.01). A significant relationship was observed between the "optimal" ECC load and 1RM per body mass (BM)-ratio (r = 0.85; p < 0.05).

The findings suggest that the acute metabolic and GH responses in the 90/70% condition were more favourable compared with the 70/70% condition, and a significant correlation between the optimal ECC load and 1RM per BM-ratio was observed. The findings can be applied into practice in designing exercise protocols in training for muscle hypertrophy and suggest the importance of individualized load selection for DAER exercises.

Overfiftylifter-curious to hear more about the FIBO trip.


That is exactly what most research will show, but due to the variety of how the exercises and perfromances are set up, it is sometimes difficult to dechipher the results and how meaningfull they are. I separated the paragraphs to make it a bit easier to read.

In any event, this research suggests that the markers for the 90% eccentric/70% concentric group were "more favorable" than the 70% eccentric/70% concentric group. While these %'s are a bit confusing it looks like this.

1RM Bench Press = 300#

90% eccentric/70% concentric = 270# eccentric/210 concentric

70% eccentric/70% concentric = 210# eccentric/210 concentric

The 90% eccentric/70% concentric ratio of 1.285 to 1

I beleive the X-FORCE machines are about 1.41 to 1. (this is using the 29% reduction of the eccentric load posted)

I think the X-FORCE ratio would prove even more favorable due to it's proximity to the generally accepted differential between eccentric and concentric abilities. (140% eccentric of a 100% concentric)
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Waynes

Switzerland

Ellington Darden wrote:
Strongman Brian Shaw

Across from the X-Force booths, an interesting contest took place. Replicas of the Thomas Inch dumbbells, each weighing 172 pounds, with 2-5/8 inch diameter handles, were on the floor. On the sign above was a note that read: "Deadlift both dumbbells to an upright, standing position and win $350."

In more than three days of many guys trying, I never saw anyone do this feat.

Except 6'8", 370-pound strongman Brian Shaw.

Brian, who was a part of the challenge, demonstrated some 40 times per day that this feat was possible. Brian told me that he could clean both dumbbells and was very close to being able to press them overhead. He said only 420-pound, Mark Henry, had accomplished this superhuman task.

On the last day of the show, I asked Brian to come by the X-Force booths and try the Deltoid Press. The weight stack on the X-Force Deltoid Press was 360 pounds, and it was a heavy 360 pounds. In fact, 200 pounds on it felt like 300 -- and I never saw anyone do even 200 pounds in good form.

Well, Brian came by late on the last day. We situated him correctly in the seat and loaded the machine to 360 pounds. Brian focused for several seconds, grasped the handles, and performed 5 perfect repetitions.

Great job, Brian. You are one strong man.

Ellington


Woohoo, BIG Brian Shaw.

Wayne
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tpklose

@ Dr.Darden:
What were your impressions at the FIBO expo?

I had posted this on April 23rd:

Just got back from the first day of the FIBO Trade show in Essen/Germany(Host city
of the famous 1972 Mr.Olympia contest).

I visited the X-Force booth in Hall No.7 and to my surprise I saw Dr.Darden there talking to Werner Kieser, who owns the "Kieser Training" facilities.
I introduced myself and had a brief talk with both gentlemen.
Of course I checked the X-force machines and have to say they are very impressive...

Unfortunately I did not take my camera there so I can?t post any pictures.

BR / Thomas Klose - Witten/Germany



Regards

Thomas
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Ellington Darden

Thomas,

I have a FIBO report that will be posted soon . . . in another thread in the X-Force section. Look for it.

Ellington
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tpklose

Ellington,
Thanks!

It was great talking to you there briefly as well as with Werner Kieser.

Looking forward to reading your report

BR / Thomas

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lesterware

David, Congratulations on your Deep Fried Twinkie, the hight of "Redneck Cuisine."
My best friend had one on the menu at his restaurant, on the opening night we all had on, on the first crunch I said,
"You can hear the sound of your arteries hardening with every bite."
Lester Ware
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crazeeJZ

lesterware wrote:
David, Congratulations on your Deep Fried Twinkie, the hight of "Redneck Cuisine."
My best friend had one on the menu at his restaurant, on the opening night we all had on, on the first crunch I said,
"You can hear the sound of your arteries hardening with every bite."
Lester Ware


Yeah, eating 2 is suicide. Lol.

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overfiftylifter

I wonder how effective these machines are going to be in regards to hypertrophy?

http://www.ncbi.nlm.nih.gov/...3?dopt=Abstract

Read the last line of the abstract.
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Ellington Darden

It's my opinion that the X-Force machines are going to be very effective at producing hypertrophy. All my experimentation and testing point in that direction.

The article you cited applied different protocols with different types of machines than X-Force.

Ellington
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mrblockhead50

California, USA

Here's a few short videos of the X-force machines at the 2010 IHRSA event. Dr. Darden and Dave Landau demonstrate. Sorry for the poor color quality, I must have pushed the wrong button.

http://www.youtube.com/...h?v=67lbwtoUvWQ
http://www.youtube.com/...h?v=hxkexz0cnv8
http://www.youtube.com/...h?v=0zVbkSV6qNc
http://www.youtube.com/...h?v=DPbH1DWsuC4
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stairway7t

HIT-enthusiasts

I have the possibility to train on a complete MedX Exercise line completed with devices for foot elevation, humerus rotation (rotator cuff), forearms and a reverse butterfly strictly constructed in MedX-style and I am not sure about some machine designs by X-Force.

In the Knee Extension device an upper (individual) stop would`t be bad.

In the Pullover device I am not sure if the arms are converging towards the ending position?

In the Lat Pull Down I am not sure if the grip width is adjustable?

In the Rowing machine I think it could be better if the ending sector of the ROM would fall into the rising part of the movement arm arc (articulation of the movement arm above the subject not at the ground) instead of the falling part and I again wonder if the grip width is adjustable?

In the Butterfly device I miss a possibility to use it with arms internally rotated alternatively?

In the Incline Press I am not sure if the positive angle is really helpful in isolating the upper chest. Referring to German EMG-Studies the Decline Press is the most intensive variant of bench pressing for all three heads of the chest.

In the Lateral Raise I miss the possibility to open (rotate externally) the movement arms in different positions to make the exercise possible for people with shoulder complaints and to offer variety up to the possibility to lift the arms until the grips would meet over the subjects head which would represent a much better antagonistic movement to the pullover movement because the ROM would be doubled.

In the elbow flexion device I miss an adjustable grip position (pronated, supinated and neutral).

The lumbar flexion device is superfluous due to the very small potential (up to not existing) of increasing the abdominal strength of healthy subjects (I know exactly that this statement is very unpopular but nevertheless the naked truth!) and direct resistance should be applied to the torso, arm involvement is not helpful here.

Uli from Germany
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NewYorker

New York, USA

Does anyone know which facilities in the US have these machines?
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Ellington Darden

There are none in the US, yet.

Joe Cirulli's in Gainesville, Florida, and Roger Schwab's in Philadelphia, PA, will be the first . . . with a line of 14 X-Force machines, which should be operational in July of 2010.

Ellington
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cokerat

Dr Darden,

I thought I had heard you mention that you had a book coming out on negative training. Is that true?
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Ellington Darden

The negative-training book is tied to the X-Force machines being available throughout the USA . . . and that will take several more years.

Ellington
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cardinalone

New York, USA

Does anyone know of any gymns in New York City who may have the XFORCE equipment or planning to implement XFORCE?
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H.I.T.=Life

Minnesota, USA

Damn this is great stuff!!!! I cant wait to try one out!!!
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Dr.Kurt

Has any one tried these machines yet? Are there any near Austin, TX?
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john a

On the subject of machines, etc, does any one have any Med-x machines (or even Nautilus) units for sale?

I am looking for perticular bits if any one can help.

I also have two genuine compound Nautilus Machines for sale, a compound Leg and a compound Back. They are on ebay or if you contact me direct I can forward more details or pictures to you. Have a great Christmas.
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primeval

Not sure if these threads are all that active, but...

Will these be at this year's (2011) show in San Francisco? I was hoping they would be so I might be able to convince my owner to invest in at least a couple pieces when we build our new facility soon. I'm just across the bay so this would be the perfect chance to do so!
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Ellington Darden

No, X-Force is not going to IHRSA this year in California. The X-Force production plant in Sweden is now full-speed ahead to fill the orders they received in 2010 at IHRSA and FIBO.

Ellington
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robinn3403

Ellington Darden wrote:
No, X-Force is not going to IHRSA this year in California. The X-Force production plant in Sweden is now full-speed ahead to fill the orders they received in 2010 at IHRSA and FIBO.

Ellington


Which begs the question about GHFC's getting them. This year?
Thanks!
Rob
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Ellington Darden

Just yesterday, the color scheme for GHFC's X-Force machines was finalized in the Swedish manufacturing plant. Thus, X-Force should be delivered to Gainesville, Florida, before the end of April 2011.

Ellington
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skita

I am upgrading some of my equipment and I am selling a lightly used Xn-Trx Chin/Dip/Squat/Calf Raise that was designed and built by Randy Reinfleisch. I've also used this piece for negative bicep curls and upright rows. It can be modified to possibly do other eccentric movements. I had bought new 2 years ago for $3,500 and I'm looking to get $900. I'm located in CT. PM me for email address.
Thanks
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