Sankaku Channel/muscular shins

All or the upper portion of one or both shins, with the shin bone (tibia) defined and some definition of the shin or calf muscles (soleus, tibialis anterior or gastrocnemius .)

Should be muscular but does not need to look like a bodybuilder. The shins can be bare or tightly clothed. The legs can be in almost any position. Muscular shins are especially visible when the knee is bent all the way so the calf is pressed tightly against the back of the thigh.

The tag muscular_calves might also be used.

Muscular legs would be some combination of the tags muscular_thighs, muscular_calves or muscular_shins.

Related tags include muscle, muscular_calves, knees and knee_hug.