Knee raise is a bit easier so started with that if you can not do
leg raises correctly.
Not exact matches
Once you become familiar with these basic bodyweight exercises, your short term goal should be to
correctly perform a minimum of 5 push ups, 5 pull ups / chin ups (if pull up bar available), 5 squats, 5 dips (use chairs, dip bars or your power tower if available) and 5
leg lifts or
raises.
The incline
leg raise is an excellent exercise to strengthen your core, but it is crucial to perform it
correctly.
And finally, hanging knee or
leg raises, which are pretty efficient exercises to engage lower abs, can not be performed by beginners since they do not have enough arm and back strength yet to hold themselves for such a long time or to complete the moves
correctly.