leg extensor muscle leg depressor muscle tarsal depressor muscle 2022-07-05T13:30:44Z tadm TaD muscle fly_anatomy.ontology FBbt:00058846 Adult leg muscle that extends along the tibia and attaches to the proximal tarsus, via the tarsal depressor tendon (Soler et al., 2004). It is composed of 20 to 33 fibers, with a markedly lower number of cells in the prothoracic leg than in the mesothoracic and metathoracic legs (Soler et al., 2004). It extends the tibia-tarsus joint, which raises the fly's body when standing (Azevedo et al., 2024). tarsus depressor muscle