BUILD ISOMETRIC STRENGTH WITHOUT STATIC HOLDS
No rings or TRX in your gym? Unfortunately, parallel bars are too stable to give your core the challenge it needs for this to work. If you don't have access to the equipment, just get down on the floor and try a different approach.
SUPERSET
1
JACKKNIFE SIT-UP
6 sets of 30-90 sec. holds of top position
"Only once an athlete has displayed the necessary skills with these moves will I have them work dynamic strength across the midline of the body," Botsford says.
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