The deadlift is the best gym exercise for over body development and strength gain bar entirely.
If the latch won't grab, deadbolt is sticky or can't be bolted, first see if your door is hanging square (see above). https://Internalrepo.Sovereigndata.com/eulaliadubin64/lifting-sling-chain9991/wiki/How-Spend-Money-On-An-Electric-Chain-Hoist