🌟 Dive into the Core of Fitness with the Jackknife Exercise 🌟 Controlling your pelvis is crucial for a solid core and maintaining the right lumbar spine position. We're not just working out; we're training our bodies to master control and stability. 🧠 Start with wide fingers for shoulder support. 🖐 Lift your chest, draw your chin in, and aim for a neutral spine. 🌈 Exhale as you tuck in, inhale as you extend. 🌬 Great for anyone who works at a desk all day, and anyone looking to upgrade thei

Jackknife Sit Ups Exercise (V Ups): What is it and How to do

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