Table Partitioning SQL Data Movement

CREATE PARTITION FUNCTION px_age(INT) AS RANGE RIGHT
FOR VALUES(25,50,100)

CREATE PARTITION SCHEME px_ageScheme AS PARTITION px_age ALL TO ( SECONDARY )

CREATE TABLE usr_ages
( ID SMALLINT ,name VARCHAR(50), age INT) ON px_ageScheme(age);
GO

CREATE clustered INDEX idx_teste
ON usr_ages(id);

DECLARE @i AS tinyint = 0;
WHILE @i <= 128
BEGIN
    INSERT INTO usr_ages VALUES(@i,'Tiago :)',@i);
    SET @i = @i +1;
END

-- MAX on table is 128, SPLITTING on 130 doesn't do any data movement
ALTER PARTITION FUNCTION px_age()
SPLIT RANGE(130);
GO