"Bar deadlifts" refers to a weightlifting exercise where one lifts a barbell from the ground to a standing position using their legs and back muscles. Full definition
Combine the triphasic movements with an explosive ballistic power action and contrast between them e.g. Squat with Jump Squat, Bench Press with Plyometric Push Up, Trap Bar Deadlift with Trap Bar Jumps. (rugbystrengthcoach.com)
The deadlift (with a straight bar) is a contested lift in powerlifting and is a common lift all over the world, so if you want to see where you stack up next to everyone else, the straight bar deadlift offers the best comparison. (onnit.com)
However, there is no difference in peak trunk angles between straight bar and hexagonal bar deadlifts. (strengthandconditioningresearch.com)