Bound Half Lotus Forward Bend

Today unfortunately many students hurt their knees when performing postures and as the main culprit often the lotus and half-lotus postures are singled out. These postures, however, are completely safe as long as two things are observed:

They are attempted only if the student is well-prepared through the performance of other postures in which she is to become proficient first (ideally assessed by a capable teacher).
When lotus and half-lotus postures are performed scrupulous attention is paid to minor details concerning the way in which the leg is placed in and taken out of half-lotus.