MOBILITY/STRETCH, MUSCLE ACTIVATION/STRENGTH, CORE, • 2/13/25 LOW BACK EXTENSION (SEATED) Previous LOW BACK EXTENSION (STANDING) Next REVERSE CLAMSHELL (SIDE-LYING) You Might Also Like SHRUGS ABDOMINAL CRUNCHES (MULTIPLE OPTIONS) CLAMSHELL (SIDE-LYING) WEIGHT SHIFTS SHOULDER ROLLS
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