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Info & advice > Earth topics > Fredericksen Study

Earth Performance Benefits Study

Here are the effects of Earth shoes on athletic performance both on their own and against the control group of leading performance footwear. They show that in tests Earth Trainers make you run faster and jump higher than typical other trainers.

The Performance Research Department at the USA's biggest and most influential shoe research body has carried out tests on Earth shoes compared to other leading brands.

These tests are being formalised by :

Dr. Ray Fredericksen

 
President
Michigan State University Orthopaedic Biomechanics Laboratories
Footwear Testing & Evaluations Division
www.sportbiomechanics.net
 
RESULTS
Vertical Jump from standing position
 
Height measured in Inches
 
Brand
Jump Order
Jump 1
Jump 2
jump 3
   
New Balance
1
23.00
23.00
24.00
   
Earth Energetic-K
2
26.50
25.50
25.50
   
Nike Free(barefoot concept shoe)
3
24.00
25.00
25.00
   
Earth Orion
4
25.75
26.00
27.25
   
Barefoot
5
25.50
26.00
26.75
   
             
180 metre fast walk 1 minute break between laps
 
Brand
lap 1
lap 2
lap 3
lap 4
lap 5
lap 6
Earth Energetic-K
52.89
53.15
54.09
New Balance
54.16
57.52
58.56
 
Slow Jog 180 metre track 1 minute break between laps
Brand
lap 1
lap 2
       
Earth Energetic-K
1.01.53
       
New Balance
1.04.63