Here's exactly what happens every time your heart beats 🫀 It starts with an electrical signal from the SA node — your heart's natural pacemaker. That signal tells your atria to contract, pushing blood down into the ventricles. Then the ventricles contract (ventricular systole): 🫀 Right ventricle → pumps deoxygenated blood to the lungs 🫀 Left ventricle → pumps oxygen-rich blood to the rest of your body After that, the heart enters diastole — a brief relaxation where the chambers refill and pre

Decline Ab Crunch: Best Way to Train Abs by Aiming for the Sky

Correct ✅vs Incorrect ❌ RDL form changes everything 🍑🔥 Push the hips back, keep a slight knee bend and load the hamstrings & glutes. Turning an RDL into a squat reduces the stretch and changes the muscle focus. Correcto ✅vs Incorrecto ❌ La técnica del RDL lo cambia todo 🍑🔥 Lleva las caderas hacia atrás, mantén una ligera flexión de rodillas y carga los glúteos e isquiotibiales. Convertir un RDL en una sentadilla cambia el estímulo muscular. #rdl #romaniandeadlift #glutes #hamstrings #glutewo