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JOE


Unlock eccentric power for faster, safer, more advanced training.


JOE


Unlock eccentric power for faster, safer, more advanced training.

Professional flywheel training device for coaches, clubs, and physiotherapists who want more speed, stability, and fewer injuries—using less than 1 m² of space.

Eccentric overload for speed, agility, and explosiveness.

1–3 stainless steel discs for rehab or maximum loads.

Vertical station with 15+ loading vectors.

CNC aluminum and stainless steel construction for professional use.

"For sports clubs, fitness centers, physiotherapy, and premium home studios."

Traditional strength training doesn’t solve the biggest problem in modern sport.

Free Weights
  • Resistance is highest when you push or lift
  • Load drops in the eccentric phase
  • Hard to safely train braking and deceleration
Cable Machines
  • Linear, predictable resistance
  • Movement on pre-defined paths
  • Little rotation, almost no anti-rotation
Transfer To The Field
  • Gym strength carries over poorly to sprinting, jumping, and change of direction
  • More overload on the knee, hip, and shoulder
  • Less eccentric control at maximal speeds

"If you don't train eccentrics, you're not training the part of the movement where games are actually decided."

An inertial system that forces eccentric control

PWR Joe uses rotating stainless steel discs. When you pull the rope, the disc accelerates. When you finish the movement, the disc returns the energy to you. You have to stop it under control. The eccentric phase is always loaded and never empty.

Resistance ...

... depends on your speed, not the weight on the bar.

Speed ...

... higher speed = higher eccentric load

Adjustment ...

... automatic adjustment to the individual - the same movement can be very easy or extremely demanding

Less stress ...

... less stress on joints, more neuromuscular activation

Why this matters

• faster acceleration and sprinting
• controlled change of direction
• higher jumps and safer landings
• more stable knees, hips, and shoulders

PWR Joe

Professional inertial station
  • Wall-mounted vertical unit with aluminum guide
  • 15+ loading vectors (from low to high positions)
Modular stainless steel discs (1–3)
  • 1 disc: rehab and stabilization
  • 2 discs: rotation, anti-rotation, sport-specific resistance
  • 3 discs: maximal eccentric force - for elite athletes
CNC aluminum and stainless steel construction
  • Core from a single piece of CNC aluminum
  • Stainless steel mounts and discs for intensive daily use
  • No play, smooth rotation, maximum stability
Precise eccentric control
  • Integrated KONG Duck clamp
  • Prevents sudden rope snap-back
  • Safe work at high speeds and loads

Who benefits the most from PWR Joe

What PWR Joe actually delivers

More eccentric strength and fewer injuries

Eccentric overload (ECC > CON) produces the highest mechanical forces, which has been shown to strengthen tendons, improve stiffness of the muscle–tendon complex, and reduce injury risk.

More ECC force = better deceleration, which is a key protective factor in ACL risk.

ECC stimulates muscles with less total fatigue than traditional volume training.

Faster, more explosive, and more stable athletes

ECC training improves RFD, which translates to a faster first step and stronger acceleration.

Eccentric loading increases intermuscular coordination of the core and deep stabilizers.

More ECC force = faster braking → faster re-acceleration.

More functionality in less space

Strength, speed, stability, rotation, rehabilitation—all on one device.

Flywheel provides stimuli that weight equipment can't: constant tension, variable force, ECC overload, and better transfer into real movement.

No loading weights, no dead time. Intensity is determined by the user—not the mass.

SOURCES

1) Norrbrand et al., 2008 - European Journal of Applied Physiology

  • Flywheel: +6.2% quadriceps growth in 5 weeks (VL, VM, VI, RF - all muscles grow),
  • Weights: +3.0%, growth only in RF.

 

2) Douglas et al., 2017 - Sports Medicine (systematic review)

ECC training -> better strength, fewer injuries, better sprinting and agility.

  • reduces hamstring injury risk,
  • increases tendon stiffness,
  • significantly improves eccentric strength,
  • improves ability to absorb forces.

 

3) Smith et al., 2024 - SportsMedicine-Journals

  • ECC > CON -> higher mechanical tension, better stability, faster adaptation.

Use cases

Frequently asked questions

Which sports is PWR Joe best suited for❓

PWR Joe is designed for sports where speed, acceleration, change of direction, and force control decide results. The biggest benefits are for: football, basketball, handball, track and field (sprinting and jumping), tennis, combat sports, functional fitness, and American football.

Is it suitable for rehab after injuries (ACL, hamstring, shoulder)❓

Yes. Inertial loading allows safe, progressive eccentric work, supported by current studies: hamstrings (Timmins et al., Sports Medicine 2024), ACL (Beato et al., Journal of Strength & Conditioning Research 2023), shoulder (Camargo et al., JSES 2022). PWR Joe allows precise dosing of force with 1-3 discs, ideal for late rehab and return to sport.

What are the space requirements and installation❓

You need around 0.5 m x 2 m of space.
Installation is simple: mount the vertical station to a wall or solid structure.
For optimal use we recommend ceiling height above 2.2 m to allow full range of vectors.

Can recreational/home users use it too❓

Yes. You set the load yourself - from low rehab loads to elite sport loads.
PWR Joe is quiet, compact, and suitable for home garage or basement setups.

What is the load range (1-3 discs)❓

1 disc - low to medium load (rehab, stabilization, technique learning)
2 discs - medium to high load (speed strength, stop and go, agility)
3 discs - maximal eccentric load (advanced athletes, off-season, power phases)

Prepare your athletes for the pace of modern sport.

If you want more eccentric power, faster deceleration, and fewer injuries, you need a system that trains exactly that — not just “raw” strength.


CODA, Žan Skok s.p.
Čopova 1, 3310 Žalec, Slovenija
Tel: +386 40 690 797

Mail: info@sportnaoprema.si
Showroom and pick-up location: Hausenbichlerjeva ulica 8, 3310 Žalec, Slovenija

Working hours: od ponedeljka do petka od 8. do 15. ure.

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