Shoulder
A shoulder was a joint which connected the arm to the body.
In 1923, while fleeing from the failed Beer Hall Putsch, Adolf Hitler fell and badly dislocated his left shoulder. The Seventh Doctor healed the injury. (PROSE: Timewyrm: Exodus)
In 1968, the Seventh Doctor dislocated his shoulder after falling from the roof of St Hilda's monastery, causing him immense pain. Ace and Robin Yeadon healed the injury. (PROSE: Nightshade)
Among the three gunshot wounds the Seventh Doctor sustained at the hands of a gang in San Francisco on 30 December 1999, one bullet went straight through his shoulder, inflicting no damage. (TV: Doctor Who)
The Tenth Doctor voiced that he had "the whole world" on his shoulders. (TV: The Age of Steel)