475x4 trap‑bar + 38.6" vertical
A lifter uploaded a session that included a 475x4 trap‑bar deadlift and a 38.6" vertical jump in the same workout—rare proof of both maximal strength and elite explosiveness in one post. The clip is being shared as an example of power development crossover for athletes. (x.com)
Estimated one‑rep max from a 475‑lb trap‑bar set of four falls roughly between about 519 lb (Brzycki prediction) and 538 lb (Epley prediction) when standard 1RM equations are applied to submaximal reps. (maxcalculator.com) A 38.6‑inch standing vertical sits in the upper echelon of field norms—NBA pre‑draft bests historically top out around 38" and pro combine leaders often exceed 40", so a 38.6" single measurement is at or above typical "elite" benchmarks for jumping athletes. (topendsports.com) Trap‑bar mechanics bias the lift toward vertical ground force and reduced spinal shear, which can allow larger loads and make the movement transferable to jump power more directly than a conventional deadlift for many athletes. (strengthandconditioning.org) Strength‑and‑conditioning programs commonly pair heavy trap‑bar work with maximal or near‑maximal vertical jumps as a power development sequence, and several coaching resources and demonstration videos advocate that exact combination for improving explosive output. (strengthcoach.com) Acute effects matter: published trials show that a bout of resistance exercise can either impair or prime subsequent occupational or explosive tasks depending on load, rest and athlete conditioning, so the clip’s same‑session 475x4 and 38.6" jump represents a noteworthy simultaneous display of heavy strength and high explosiveness under whatever recovery conditions the athlete used. (nature.com)
