Stable or Unstable Core Training for Performance?

It wasn’t too long ago that fitness centers and strength and conditioning facilities became equipped with a variety of instability devices such as bosu balls, wobble boards, suspension trainers and so forth. This was because of previous research that demonstrated greater activation of
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Core Training: Stability vs. Flexion and Extension Based Exercises

Muscles of the core are classified as either “Global” or “Local” muscles. The global core muscles are more superficial, larger and stronger and have attachment sites at the hip (e.g., abdominals, obliques, erector spinae). Local muscles are intrinsic (deeper), smaller and typically at
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