Chris Calisthenics on Instagram: "Read this👇 Pull-up is a shoulder internal rotation dominant exercise. But to protect your shoulders, and have a strong pull you need to start from the right position: 👉 If you need 1:1 help, DM me “READY” and let’s chat about your goals & challenges ✅ Externally rotate your shoulders (imagine breaking the bar) ✅ Engage your core ✅ Start from a dead hang ✅ Slight chest lift ✅ Let your shoulders depress naturally as you pull This gives your shoulder joint more s

Explaining a car on Instagram: "Follow (us) @ExplainingACar to learn something NEW about vehicles every day 🚗💫 When you shift gears — whether manually or automatically — your transmission is changing how the engine’s power is delivered to the wheels ⚙️🚗 Inside the gearbox, a set of gears and shafts work together to balance torque (pulling power) and speed. Lower gears give more torque for acceleration or climbing hills, while higher gears reduce torque to allow smoother, fuel-efficient cruisi