Choosing an action/movement you do as a part of your daily routine...
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| Image from: Google Images |
Take a moment and think of the actions you do every day. Most of us, I know I do, brush our teeth every day at least twice a day. The movements involved in brushing your teeth are many and complex. When I lift my toothbrush to my mouth I am abducting my shoulder.
For the purpose of this blog post assignment I will be focusing on the shoulder abducting. This is the initial movement and it is done in the frontal plane and in an open chain. After the other motions of brushing my teeth (horizontal rotation and elbow flexion and extension) I will adduct my shoulder to a neutral position.
When the shoulder is abducting it is in neutral rotation. The arthokinematics of this action is the humerus which is convex rolls up and then glides down in the concave glenoid fossa.
For the purpose of this blog post assignment I will be focusing on the shoulder abducting. This is the initial movement and it is done in the frontal plane and in an open chain. After the other motions of brushing my teeth (horizontal rotation and elbow flexion and extension) I will adduct my shoulder to a neutral position.
When the shoulder is abducting it is in neutral rotation. The arthokinematics of this action is the humerus which is convex rolls up and then glides down in the concave glenoid fossa.
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