Bending 
To dream about bending indicates that you easily accept new circumstances and situations. If you're bending backward in the dream, it could mean that you are making special efforts to make others happy. Bending forward shows that you are anxious to perform some activity.
Arch
To see an arch in your dream symbolizes those who offer you encouragement and stability in your life.
To dream that you are passing under an arch indicates that new doors are opening in your life that offer you options and decisions. The path you are traveling on is unlike any that you are familiar with.
Elbows
To dream about your own elbows suggests that you have not left enough room for you to move. You may not be willing to do so for fear that you may offend others.
To dream that your elbow is wounded indicates that you cannot deal with a certain circumstance in your life. This may also be related to a sexual fear. The right elbow indicates an issue of virtue. The left elbow suggests inactivy or the aspects about yourself that you haven't yet worked on properly.
Bowing
Bowing to someone in a dream represents respect with acknowledgement of one's defeat. If you bow before an elder, leader or loved one, your dream points to your deep, true respect to the person in waking life. If you are bowing unhappily means you are bowing in defeat without much respect. To recognize the person who you are bowing to in your dream means you have good relation with the person. Dreaming of bowing to an unrecognizable person means your ego has been dented giving you a loss of confidence.
Leaning
To dream of leaning indicates a lack of balance in some aspect of your life. Something which is leaning in a dream is pulling you off track and taking up too much of your time.
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