The children of Israel cried to Yahweh, saying, We have sinned against you, even because we have forsaken our God, and have served the Baals.
The repentance of Israel reported in these verses was no merely perfunctory maneuver.  It was genuine.  "(1) They confessed their sins to the Lord  (Judges 10:10,15a).  (2) They bared their backs for punishment  (Judges 10:15b).  (3) They put away the idols representing foreign gods  (Judges 10:16a).  (4) They served the Lord  (Judges 10:16b)."[20] It appears that there was also a full recognition of the fact that Israel deserved the punishment that God had brought upon them.