Cursor to Kill all system Processes

DECLARE @DatabaseName nvarchar(50)

DECLARE @SPId int

DECLARE @SQL nvarchar(100)

--SET @DatabaseName = N'AdventureWorks2008'

SET @DatabaseName = DB_NAME()

DECLARE my_cursor CURSOR FAST_FORWARD FOR

SELECT SPId FROM MASTER..SysProcesses

WHERE DBId = DB_ID(@DatabaseName) AND SPId <> @@SPId

OPEN my_cursor

FETCH NEXT FROM my_cursor INTO @SPId

WHILE @@FETCH_STATUS = 0

BEGIN

 SET @SQL = 'KILL ' + CAST(@SPId as nvarchar(10))

 print @SQL

 EXEC sp_executeSQL @SQL

 --KILL @SPId -- Causing Incorrect syntax near '@spid'.

 FETCH NEXT FROM my_cursor INTO @SPId

END

CLOSE my_cursor

DEALLOCATE my_cursor