Could not be fully determined due to the low, side-on camera angle, which obscures the view of the space between the lower back and the floor. However, your pelvis appears very stable, which is a positive indicator of good form.
You demonstrate excellent torso rotation, consistently lifting your shoulder blades off the floor and twisting from your core. There was only a very slight decrease in range of motion towards the end, which is normal with fatigue.
Your movement is exceptionally controlled and deliberate throughout the entire set. You maintained a steady pace without using any momentum, which is perfect for maximizing core engagement.
Your neck remains in a relaxed, neutral position throughout the exercise. You're doing a great job of supporting your head lightly without pulling on it.
Fantastic work on your leg extension! You consistently straighten the non-crunched leg and keep it low to the ground, which is key for engaging your lower abs.
You begin the set with excellent form. Your movement is controlled, your leg extension is full, and your torso rotation is strong.
Your form remains solid and consistent through the first half. The pace is deliberate and you're maintaining great core engagement and stability.
Past the midpoint, your form is still excellent. Your leg extension and torso rotation continue to show great control and strength.
As you approach the end of the set, you're maintaining your form incredibly well with only the slightest signs of fatigue in your torso twist.
You finish the set strong, maintaining control and full leg extension even as fatigue sets in. A fantastic effort!