Table.Split (Word)

Inserts an empty paragraph immediately above the specified row in the table, and returns a Table object that contains both the specified row and the rows that follow it.

Split (BeforeRow)

BeforeRow: The row that the table is to be split before. Can be a row number or a Row object.

Dim tblSplit As Table
Set tblSplit = ActiveDocument.Tables(1).Split(BeforeRow:=)