1. Mistakes in Butterfly Swimming Technique
Genadijus Sokolovas, Ph.D.

2. Typical Mistakes in Butterfly Technique
Underwater Kick
Up-Kick
Head/Body Position
Beginning of the Stroke
Middle of the Stroke
Finish of the Stroke
Kicking Technique

3. Underwater Kick Arms and head position
Generation of underwater kick from arms and shoulders
Hips movement
Bending knees
Slow transition from down-kick to up-kick and vice versa

4. Underwater Kick

5. Up-Kick
Emphasizing down-kick
Hips movement
Pointing tows down

6. Up-Kick

7. Underwater Kick Videos

8. Head/Body Position Driving stroke from the head Pressing head down
Head movements
High/low head position
Arching back
Low hips

9. Head/Body Position

10. Butterfly Videos

11. Beginning of the Stroke
Slow arm entry
Wide arm entry
Late beginning of the stroke
Wide beginning of the stroke
Low elbow position
Lifting the head
Moving hips up

12. Beginning of the Stroke

13. Middle of the Stroke Pulling from arms only S-shape pathway
Squeezing hands inside
Drop elbows

14. Middle of the Stroke

15. Finish of the Stroke Hands close to each other
Shoulders high above the surface – low feet
Jumping high above the surface
Pressing arms down
Rotating hands inside
Finishing stroke with deceleration

16. Finish of the Stroke

17. Butterfly Videos

18. Kicking Technique Matching pull and kick emphasis
Weak kick at the end of the pull (exit kick)
Weak kick at the arms entry (entry kick)
Moving knees down during the kick
Large amplitude kick
Too strong down kick

19. Kicking Technique

20. Kicking Videos