> ## Documentation Index
> Fetch the complete documentation index at: https://movement.mantavyam.com/llms.txt
> Use this file to discover all available pages before exploring further.
# Partial one-leg sissy squat
> Intermediate · Dynamic · Unilateral. Strength, balance
Also known as: Peterson step.
| | |
| - | - |
| **Difficulty** | Intermediate |
| **Velocity** | Dynamic |
| **Symmetry** | Unilateral |
| **Athlete** | Louis |
| **Video length** | 18 s |
## Technique
1. Stand on one leg on a low step with the other leg straight in front
2. Bend your standing knee and lift your heel to lower yourself partially toward the ground until the other heel lightly touches the floor.
3. Return to the upright position by extending the knee
## Form tips
* Push your knee forward while leaning back, keeping your torso aligned with your thighs.
* Avoid bending at the hips.
**Logging:** Repetitions done on one side.
## Muscles
Strength
- Glutes
- Hamstrings
- Quadriceps
* Gluteus maximus
* Semitendinosus
* Semimembranosus
* Biceps femoris (long)
* Rectus femoris
* Vastus medialis
* Vastus intermedius
* Vastus lateralis
* Iliacus
* Psoas major
## Equipment
## Appears in
## Progressions
Advanced
## Regressions
Novice
## Variations
Advanced
Novice
Novice
Novice
Intermediate
Intermediate
Want to log this exercise? Open it in [Calistree](https://calistree.app/datasheet/partial-one-leg-sissy-squat-e19v). Text and images are used under [CC BY-NC-ND 4.0](https://creativecommons.org/licenses/by-nc-nd/4.0/); the video plays from the original source.
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