Leg
A leg was a lower extremity of a humanoid lifeform.

In 2151, Lieutenant Malcolm Reed suffered from an injury in his left leg. The bullet of the Novan projectile weapon still stuck inside and he lost a bit of blood. Reed placed a bandage over the wound. Similar, the Novan Akary broke his leg when hit by a trunk inside an underground well. ()

In 2152, Malcolm Reed endured a leg injury while attempting to disarm a Romulan mine which had attached to the outer hull of . Doctor Phlox began physical therapy to restore the use of Reed's leg. Shortly after, Reed's leg was restored to full health during the ship's encounter at the automated repair station. ()

Assuming her to be responsible for an act of sabotage committed aboard the Sarcophagus by Michael Burnham,  ordered that L'Rell be found and her legs cut off, intending to deal with her after destroying Pahvo. Ultimately, L'Rell was captured by Starfleet personnel and the Sarcophagus was destroyed with all hands before the order could be carried out. ()

Worf observed that Vash had "nice legs... for a Human." ()

During the siege of AR-558, Nog lost his leg during an intense firefight with Jem'Hadar soldiers. It was replaced with a biosynthetic leg. ()

External link 
 
Anatomy