Obama and Castro's awkward handshake explained

We've all had our fair share of awkward moments but probably never one that's been viewed as much as the one President Barack Obama had in Cuba.

This isn't how you're supposed to shake hands.

Apparently, the handshake-that-wasn't turned out so poorly the White House felt it needed to weigh in on exactly what went wrong.

White House Press Secretary Josh Earnest said Obama let his wrist go limp to avoid seeming too friendly with Cuban leader Raúl Castro.

"President Castro had in mind a rather iconic photo with President Obama and his arms raised together. I think President Obama believed that that would imply a whole lot more agreement on some priorities than actually exists," Earnest said.

See more from President Obama's trip to Cuba:

While Obama is attempting to thaw a frosty relationship with Cuba, the U.S. still has some deep ideological differences with the communist nation.

Earnest added the move to grab Obama's arm was totally unexpected and said that "for an 84-year-old, President Castro still has some pretty quick reflexes."