MUSCLE ACTIVATION/STRENGTH, CORE, • 7/6/26 LOW BACK EXTENSION (SEATED, UNWEIGHTED) Next LOW BACK EXTENSION (SEATED, WEIGHTED) You Might Also Like REVERSE CLAMSHELL (SIDE-LYING) OVERHEAD REACH + PULLDOWN (DOUBLE OR SINGLE ARM) SHRUGS SQUATS: HEEL-ELEVATED (KNEE BIAS) SHOULDER ISOS (WALL PRESS - ALL DIRECTIONS)
MUSCLE ACTIVATION/STRENGTH, CORE, • 7/6/26 LOW BACK EXTENSION (SEATED, UNWEIGHTED) Next LOW BACK EXTENSION (SEATED, WEIGHTED) You Might Also Like REVERSE CLAMSHELL (SIDE-LYING) OVERHEAD REACH + PULLDOWN (DOUBLE OR SINGLE ARM) SHRUGS SQUATS: HEEL-ELEVATED (KNEE BIAS) SHOULDER ISOS (WALL PRESS - ALL DIRECTIONS)
