D-Ball makers of specialty medicine balls

D-Ball Specialty Medicine Balls

U. S. Toll Free:  1-800-500-3225          Fax:  510-687-9590          E-mail:  info@d-ball.com
 
Keystone Conditioning & Training for Athletic Performance

CLOSE WINDOW

Girl's Whole School Keystone Set

Type of Conditioning

Power Speed

Power Speed & Strength

Upper Body Strength & Power

Core Strength

Lower Body Strength

Examples of
Exercises

Overhead Volleyball Sets

Box
Drop
Jump Toss

Super Combo, Arms Straight out, Front Squat, Overhead Squat
& Power
Toss

Super Combo, Arms
bent

Super Combo, Ball
held
away
from
body

Grade 9 Balls

4 lb.- 8" Orange
D-Ball for Semi-bouncing

6 lb.- 8"  Orange
D-Ball for Semi-bouncing

10 lb.- 8" Orange
D-Ball for Semi-bouncing

20 lb.- 8"   Yellow
D-Ball Non-Bouncing

30 lb.- 8" Yellow
D-Ball Non- Bouncing

Grade 10 Balls

4 lb.- 8" Orange
D-Ball for Semi-bouncing

6 lb.- 8"  Orange
D-Ball for Semi-bouncing

12 lb.- 8" Orange
D-Ball for Semi-bouncing

25 lb.- 8" Yellow
D-Ball Non -Bouncing

35 lb.- 8"     Yellow
D-Ball Non -Bouncing

Grade 11 Balls

4 lb.- 8" Orange
D-Ball for Semi-bouncing

6 lb.- 8"  Orange
D-Ball for Semi-bouncing

12 lb.- 8" Orange
D-Ball for Semi-bouncing

25 lb.- 8"   Yellow
D-Ball Non-Bouncing

35 lb.- 8" Yellow
D-Ball Non- Bouncing

Grade 12 Balls

4 lb.- 8"  Orange
D-Ball for Semi-bouncing

6 lb. - 8"   Orange
D-Ball for Semi-bouncing

12 lb.- 8" Orange
D-Ball for Semi-bouncing

25 lb.- 8" Yellow
D-Ball Non-Bouncing

40 lb.- 8" Yellow
D-Ball Non-Bouncing

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