Abdominals · No equipment
90 Degree Single Knee Crunch
Abs exercise with no equipment. Works the abs.
The same demo you get in the app. Tap any exercise there for its stats and history.
How to do it
90 Degree Single Knee Crunch, step by step
- 01
Lie on your back with your hands lightly behind your head.
- 02
Lift one leg so the knee and hip are both bent at about 90 degrees.
- 03
Press your lower back into the floor.
- 04
Curl your head and shoulders up toward that raised knee.
- 05
Lower slowly and finish all reps before switching legs.
90 Degree Single Knee Crunch in Trainlike
Progress in reps, not guesses.
With nothing on the bar, reps are the target. Match your best and the next workout asks for one more.
Fall short and Trainlike eases the reps back instead of the weight, then rebuilds from there. Every verdict opens the receipt behind it.
How verdicts work in the user guide.
Train it, get it graded.
Log the 90 Degree Single Knee Crunch in Trainlike and every workout comes back with a grade, the evidence, and your next target.
First three workouts free, insights included.
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