JDKMNE Pressure Biofeedback Muscle Testing Device, Lumbar Stabilizer for Waist Core

Strengthen your core muscles and stabilize your spine,uses pressure biofeedback to guide your training Activate your deep abdominal and paraspinal muscles that support your spine and prevent back pain and injuries Ideal for anyone who wants to enhance their core strength, such as office workers, pregnant women, athletes, and people with chronic back pain Used for low back pain, lumbar muscle strain, lumbar disc herniation, and lumbar instability exercises, restores lumbar curvature, relieves low back pain, improves lumbar instability etc Simply inflate the device with the hand pump, position it between your body and a firm surface, and follow the instructions in the user manual