81K views · 223 reactions | Watch how this simple pulley system can rapidly pull a person from the ground. ️: Instagram/ the_world_of_elevator #pulleysystem #Elevator #escalator #powertools | Interesting Engineering | Facebook

336K views · 37K reactions | Bicep workout Wide angle cable curls - set pulley system to lowest attachment on both sides. Grab a handle with each arm and take on step slightly forward. Keeping your elbows by your sides, bring arms up and together contracting your bicep. Hold here for a moment before allowing arms to straighten. Tip - focus on holding the contraction with this variation maximizing tension in the contraction is the priority. | Joshua Taubes | Facebook