_a_, Extensor carpi radialis; _b_, extensor digiti tertii; _c_, common
or anterior digital extensor; _d_, extensor digiti quarti; _e_,
flexor carpi externus; _f_, extensor carpi obliquus; _f′_, ulnar
head of flexor carpi medius; _g_, brachialis; _h_, interosseus
medius or suspensory ligament; _i_, flexor tendons; _i′_, branch of
_h_, to superficial flexor tendon; _8_, olecranon; _11_, accessory
carpal bone; _12′_, metacarpal tuberosity. (After Ellenberger-Baum,
Anat. für Künstler.)
]
[Illustration: