_a_, Extensor carpi radialis; _b_, extensor digiti tertii; _c_,
extensor digitalis communis; _d_, extensor digiti quarti (tendon);
_f_, extensor carpi obliquus; _g_, brachialis; _12′_, metacarpal
tuberosity. (After Ellenberger-Baum, Anat. für Künstler.)
]
[Illustration: