Great Deadlift PR, and I agree with your assessment, I think those explosive movements really help prime your body for heavy moves. My deadlift program incorporates light power cleans prior to deadlift sets, I love it.
James 1:16-17 ESV
Do not be deceived, my beloved brothers. Every good gift and every perfect gift is from above, coming down from the Father of lights
With God's help...Mens sana in corpore sano