Body Position
| Fault | Effect On Stroke | Correction |
| 1. Head too high. |
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| 2. Head too low. |
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| 3. Bobbing - caused by over-flexing hips, incorrect timing, lifting head excessively. |
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| 4. Shoulders not parallel with water surface. |
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Leg Action (Recovery)
| Fault | Effect On Stroke | Correction |
| 1. Excessive flexion of hips. |
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| 2. Excessive thigh abduction (knees too wide apart). |
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| 3. Asymmetric movement. |
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| 4. Failure to rotate the feet outward and dorsi-flex at the end of recovery. |
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| 5. Insufficient recovery, i.e., failure to position the heels near enough to the seat prior to the kick. |
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| 6. Feet breaking water surface. |
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| 7. Asymmetric recovery: legs not recovering together or in the same lateral plane.* |
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*Rectification of this particular fault requires considerable patience, dedication and concentration from both the teacher and the pupil-swimmer.
Leg Action (Propulsion)
| Fault | Effect On Stroke | Correction |
| 1. Asymmetric movement (screw-kick). |
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| 2. Pushing feet directly backwards with an inward and circular whip. |
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| 3. Allowing the feet to drop too low in the water. |
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| 4. Failure to dorsi-flex the feet - usually an adult beginner method of kick due to lack of flexibility. |
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| 5. Straightening the legs before they are abducted. |
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| 6. Failure to close legs together and attain fully stretched position. |
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Arm Action (Catch) 'Outsweep-Catch'
| Fault | Effect On Stroke | Correction |
| 1. Hands directed sideways. |
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| 2. Hands directed directly downwards. |
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| 3. Hands too near surface to begin with. |
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| 4. Fingers apart: this fault and correction is applicable throughout the propulsive movement phase. |
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Arm Action (Propulsion) 'Downsweep-insweep'
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Effect On Stroke | Correction |
| 1. Hands directed sideways and parallel with water surface. |
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| 2. Sweeping too steeply, continuation of Catch(2). |
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| 3. Elbows dropped. |
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| 4. Sweeping beyond the shoulder plane. |
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| 5. Uneven sweep (tendency towards side-stroking action) usually associated with fear of facing forward and incorrect breathing technique. |
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Arm Action (Recovery)
| Fault | Effect On Stroke | Correction |
| 1. Elbows too wide. |
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| 2. Hands not directed forward i.e., inclined upwards rather than flat and streamlined, sometimes on the water surface. |
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| 3. Hands too wide (shoulder-width) when being swept forward and when recovery is completed. |
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| 4. Recovery not fully completed and too low. |
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Breathing
| Fault | Effect On Stroke | Correction |
| 1. Breath-holding - may be due to fear of the water. |
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| 2. Failure
to breathe owing to head being held too low or tilted forward(allied to
Fault 1).
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Further Reading
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