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During adduction, you are moving them towards the median plane. Direction: During abduction, you are moving your arm/leg away from the median plane.You can imagine the ‘fulcrum’ as axes that pierce the shoulder and the hip respectively, each one following in a forward-backward trajectory. Reference axes: The movement is in the frontal plane.Anatomical structures: The arm moves relative to the trunk and the shoulder.The easiest examples for understanding abduction and adduction are the legs and arms, which are very similar: This movement happens when you are standing on your toes or pointing them.Ībduction of shoulder joint, Abductio articulationis glenohumeralis Plantarflexion is flexion of the plantar (underside) part of the foot by moving it down. It happens when you lift the front part of your foot while keeping your heel on the ground. Dorsiflexion means flexion of the dorsum (top) part of the foot by reducing the angle between it and the anterior surface of the leg. Both movements happen at the ankle joint. In the world of anatomy, flexion of the foot is referred to as dorsiflexion and plantarflexion. During extension, it moves backwards and slightly downwards.
#Abduction anatomy full#
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If you see the glass half empty, there is only one specific term that can accurately describe an anatomical structure/movement/relation, which means there are a lot of words that you need to learn in order to become fluent in this language.Īlmost every anatomy department in the world naturally focuses its resources on teaching students the names and details of bones, muscles, vessels, nerves, etc. If you see the glass half full, the language is extremely precise and exact, leaving no room for errors, misinterpretation, or miscommunication. This can simultaneously be a blessing and a curse. In order to understand fellow medical students and physicians, you need to have an excellent grasp of the anatomical language. They will be grouped in pairs of ‘antagonistic actions’ (actions that oppose one another), just like certain muscle groups. This article will shed some light on the various types of movements in the human body. Lateral flexion of spine, Flexio lateralis spinae