Muscle outlines from Body Muscles by Ivan Vulović, Apache 2.0 — regrouped and recoloured for Muscle Train.
Lie on your back, knees bent, feet flat, hip-width apart. Arms at sides, palms down. Brace core, squeeze glutes. Lift hips halfway, pressing heels into the floor. Hold for 1-2 seconds, squeezing glutes. Slowly lower, resisting gravity. Repeat for 12-20 reps, maintaining the partial range of motion.
Elevate your hips a few inches to engage the glutes. Control the movement with a 2-1-2 tempo. Press firmly into your heels to activate your glutes.
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