sliding

Question
Hello: recently i have developed a problem with my swing. at the end of the approach i tend to slide to my left, away from the ball as i am right handed. any suggestions as to how i can solve this. Thank you.

Answer
Tom,
Could be a couple things. Could I get a video of you? Much easier by seeing the result, to determine the cause then speculate about all the possible influences.

Warm up a few shots, make sure you feel relaxed and loose then record a shot from the back and shot from the side. Do you find yourself pushing left when loose or when you just start bowling? What weight ball do you use? How much do you drift in your approach (from starting point at set-up to end of your slide)? Thanks.