Knee extension on the floor
Quadriceps

- Get into a kneeling position on the floor.
- Lean back, keeping your back straight relative to your thighs.
- Return to the starting position using the strength of your quadriceps to complete one repetition.
- You can vary the difficulty of the exercise by modifying how far you lean back.
You may also like

Lunges
Quadriceps ∙ Glutes ∙ Hamstrings

Skipping
Quadriceps ∙ Calves ∙ HipFlexors

Assisted pistol squat
Quadriceps ∙ Glutes ∙ Hamstrings

Advanced squat with elastic band
Quadriceps ∙ Glutes ∙ Hamstrings

Front split
Hamstrings ∙ HipFlexors ∙ Quadriceps

Burpees
Triceps ∙ Quadriceps ∙ Abs ∙ HipFlexors ∙ LowerChest ∙ Calves ∙ Glutes ∙ Lumbar