This is the website of Worldwide Jam. The global resource for parkour and freerunning. Photographs, videos and parkour news from around the world. Click here for the Worldwidejam main page
HOMEABOUTPARKOUR STREET TEAMPARKOUR MAGAZINEPARKOUR BROADBAND TVPARKOUR PICS&VIDSPARKOUR MEDIA CREWCONTACT WORLDWIDE JAM
Chris Harbour (PROZAC)
B.Sc.(Hons) in Sport & Exercise Science
Fitness Instructor, Gym Manager and News Editor at Worldwide JAM



Powerball Gyro




OTHER HEALTH AND FITNESS ARTICLES
Photo and Link to goal setting article LOSING YOUR MOTIVATION
FOR TRAINING?
Goal Setting could be the answer
Banner and link to article on Jumpers Knee. Click here to enter JUMPERS KNEE
by Sam Parham
What is it, how do you get it and how to get over it.

Click here to view read the article on Jumpers Knee
Photo of Powerball which helped Prozac get back to parkour training HOW POWERBALL helped speed-up the healing process of Prozac's broken wrist
After breaking his wrist, Worldwide JAM Street Team member Prozac, used Powerball to get back into Parkour training. Click here to read
Banner and link to article on heat stroke. Click here to enter WATER - THE ANTIDOTE TO HEAT STROKE
By Kevin Fulthorpe
Click here to view read the article on Jumpers Knee
Photo of Powerball which helped Prozac get back to parkour training FITNESS FOR PARKOUR
by Prozac
Click here to read the article about fitness for parkour
Photo and link to exercise article PANTHER Upper and Lower body exercises
After breaking his wrist, Worldwide JAM Street Team member Prozac, used Powerball to get back into Parkour training. Click here to read





Photo courtesy of Linda Nylind

As most in the Parkour community know, I managed to break my right wrist in a training accident back in November (let this be a lesson people, always check your landing surfaces).

Most broken bones will heal up in 6 weeks, but the scaphoid bone is another matter. With a lousy blood supply, it’s not unheard of for this one to take 3 or 4 times as long to fix! 200+ bones in the body and I had to break that one! Still, better that than the skull I suppose
.
As it turned out, I was in plaster for about 2 months. My grip strength was 70kg before the accident; when I tested it after the plaster came off, it was down to 30kg. I had very limited mobility in my wrist and could hardly put any weight on it.

What I needed was some serious rehab work, so when someone asked who wanted to test out the Powerball my crippled hand was straight up in the air!

My routine was simple enough; spend about 15minutes a day keeping the Powerball at a decent amount of RPM and each week measure my grip strength and how fast I can actually get the Powerball to spin…

WEEK 1:
Training delayed due to one of my colleagues at Worldwide JAM managing to get the starting string caught up inside the mechanism and having to disassemble it to get it out again!
Grip Strength: 34kg
Max RPM: 8784


WEEK 2:
Starting to get the hang of getting the Powerball spinning; don’t even need the string anymore. Does take a while to get used to these things at first, but once you’ve mastered the knack it’s pretty easy.
Grip Strength: 41kg
Max RPM: 10923


WEEK 3:
Loving the pretty lights and computer on this thing! I had a Powerball briefly a few years back (until another Personal Trainer I worked with broke it trying to see where the batteries went, idiot), but my old one never had all the fancy gizmos that this one’s got!
Grip Strength: 47kg
Max RPM: 11081


WEEK 4:
Girlfriend’s getting a bit annoyed with the Powerball. It does get quite noisy when you get it up to the high RPM ranges. It probably doesn’t help that I tend to use it while she’s watching boring girly stuff on TV.
Grip Strength: 54kg
Max RPM: 12020


THE VERDICT
The Powerball has all the advantages of isometric exercise, the muscles are given an intensive workout but hardly any stress is put through the joint. Powerball work has also got the added bonus of gently mobilising the joint, making it ideal for injury rehabilitation.

I thought the RPM counter was a bit gimmicky at first, but I found that trying to beat your best speed was a great motivator and made you work harder for longer.

Because I haven’t been able put much weight on my wrist, the Powerball is the only real training I’ve done on it since the accident. In less than a month, I’ve managed to get over 20kg of my grip back. The Powerball will definitely be a permanent addition to my training.






Banner and link to Parkour Gear


Link to the Worldwide jam street team
Link to Feiyue Website
Talk about anything and everything to do with parkour and freerunning. This is the forum of the worldwide jam community LEARN PARKOUR
Click here to go to Worldwide jam's forum
Talk about anything and everything to do with parkour and freerunning. This is the forum of the worldwide jam community THE FORUM
Click here to go to Worldwide jam's forum
Photo of guy strapping on his trainers before starting parkour GETTING STARTED IN PARKOUR
Parkour Basics 1
Worldwide jam, street team member, Andi, goes through the basics of parkour moves. click here to view A GUIDE TO PARKOUR
BASICS
PARKOUR BASICS 2
Photo and link to Worldwide jam, parkour t-shirts PARKOUR
TRAINING
GEAR
Worldwidejam parkour t-shirts available here
Pic and banner to Planet Parkour WHERE ON
EARTH ARE
YOU?
Image and link to parkour and freerunning wallpapers and screensavers DOWNLOAD WORLDWIDE JAM WALLPAPER
Worldwide jam logo and link to the linkspage for global parkour and freerunning crews GLOBAL CREW CONNECT
Click here to go to the linkspage, linking parkour and freerunning crews around the world
Photo and link to Worldwide jam's parkour pics and vids pages YOUR PICS AND VIDS HERE
Click here to view parkour and freerunning photographs and videos from around the world
Photo and link to parkour gear reviews ROADTESTS AND REVIEWS
Click here to read parkour product reviews written by members of the Worldwide jam community
Photo and link to Worldwide jam's media page. Articles, photo and videos from recent parkour and freerunning projects PROMOTING PARKOUR GLOBALLY
Click here to go to the parkour and freerunning in the media pages
Photo and link to Worldwide jam's, upcoming jam pages WHERE'S THE JAM NEAR YOU?
Click here to find any parkour and freerunning jam's in your area
Worldwide Jam the Global Resource for Parkour and Free Running
HOME l ABOUT l STREET TEAM l MAGAZINE l JAM TV l FORUM l PICS&VIDS l MEDIA CREW l CONTACT US
GETTING STARTED IN PARKOUR l A GUIDE TO PARKOUR BASICS l GLOBAL CONNECT l PARKOUR GEAR l IN THE MEDIA
THE JAMS l MERCHANDISE l SITEMAP
2007 Worldwide JAM | Privacy Policy