Muscle Group

Erectors

The Erector Spinae are deep muscles running along the spine, vital for posture and trunk extension. They act as stabilisers in almost every lift — from deadlifts to squats — maintaining spinal alignment and transferring force through the core.

Strengthening the erectors improves resilience against back pain and boosts control under heavy load. Controlled movements like back extensions, bird dogs, and Romanian deadlifts are key for safe, functional development.

female athlete performing sandbag Zercher lunge, the sandbag cradled in elbows, front leg bent in deep lunge, chest tall, cinematic gym lighting showing control and stability
Sandbag Zercher Lunge

Sandbag Zercher Lunge

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Female athlete performing sandbag Zercher squat, sandbag cradled in elbows, deep squat position with upright posture, cinematic gym lighting showing strength and control
Sandbag Zercher Squat

Sandbag Zercher Squat

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female Athlete performing sandbag bear hug squat, sandbag held tightly to chest, deep squat position, core braced, cinematic gym lighting showing tension and strength
Sandbag Bear Hug Squat

Sandbag Bear Hug Squat

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Athlete mid back squat, high-bar position, neutral spine, modern rack setup
Barbell Back Squat

Barbell Back Squat

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