While walking, a post-menopausal grandmother falls off a curb and lands hard on

Question

While walking, a post-menopausal grandmother falls off a curb and lands hard on her outstretched right arm. Her physicians diagnose a fracture of the bone which forms the only bony connection between the upper limb and the axial skeleton. They also note damage to the joint between the fractured bone and the axial skeleton. They perform surgery to realign the bone at the fracture to allow proper healing and they use a titanium plate to permanently secure the fractured bone to the axial skeleton at the injured joint. However, they are particularly concerned because her bone mass is quite low and due to her advanced age, she also has low osteoblast activity. Using the above passage, what is the proximal joint that is injured? O A synovial joint A synchondrosis A syndesmosis O O A symphysis 6 0.5 While walking, a post-menopausal grandmother falls off a curb and lands hard on her outstretched right arm. Her physicians diagnose a fracture of the bone which forms the only bony connection between the upper limb and the axial skeleton. They also note damage to the joint between the fractured bone and the axial skeleton. They perform surgery to realign the bone at the fracture to allow proper healing and they use a titanium plate to permanently secure the fractured bone to the axial skeleton at the injured joint. However, they are particularly concerned because her bone mass is quite low and due to her advanced age, she also has low osteoblast activity. Using the above passage, following her surgery, which of the following activities would be most affected? Brushing her teeth with her right hand Eating with her right hand Buttoning her shirt with her right hand Scratching her left shoulder with her right hand

Explanation / Answer

Bone connecting the upperlimb to the axail skeleton is the clavicle. Clavicle joins the axial skeleton at the sternocalvicular joint. Sternoclavicular joint is a type of synovial joint (saddle type). The most effected activity would be her scratching the left shoulder because this is the only activity which requires movement at the injured joint

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