Capacity varies widely by model. Compact squat/bench trainers may list capacities around 250 lb, mid‑size hip thrust benches often list up to about 700 lb, and heavy plate‑loaded machines advertise capacities up to roughly 900 lb.
Primarily hip thrusts and glute bridges, but many benches and boxes also support related lower‑body moves—squats, step‑ups, Bulgarian split squats—and common bodyweight exercises like push‑ups and crunches.
Several plate‑loaded machines accept standard 2‑inch Olympic plates via a weight‑loading bar and include built‑in weight holders. Listings often state per‑side capacity for those holders to show how much weight each storage post can support.
It varies by product: compact hip‑thrust boxes often arrive ready to use with no assembly, while larger plate‑loaded or commercial machines typically require adult assembly and include the necessary tools.
Look for high‑density foam padding with wear‑resistant coverings, contoured or padded benches and backrests, non‑slip footplates, and—on some models—adjustable padded lumbar rollers to support the spine during longer sets.