Sentence:  For those who are having, or have had, trouble <WSD>squatting</WSD> we suggest learning how to <WSD>squat</WSD> by performing the front squat ... The front squat allows you almost no alternative but to perform the exercise correctly. 
Meaning of the word marked with <WSD> tags:  To exercise by bending deeply at the knees and then rising, while bearing weight across the shoulders or upper back.