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 attach directly to the spine and contribute to segmental stability. Coordination of both the …

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