Linked from
The 9 pages that link to Preload, each with the reason it gives.
Obstructive shockRelated: Obstruction can prevent adequate ventricular filling and reduce preload.
Frank–Starling lawRelated: Ventricular filling sets the initial muscle stretch that drives the law.
FastenerRelated: Preload creates the clamping force that keeps a bolted joint together.
Torque wrenchRelated: Torque is commonly used as an indirect way to create the desired bolt preload.