_a_, Peroneus tertius; _a′_, tibialis anterior; _b_, anterior or long
digital extensor; _b′_, tendon of _b_; _c_, peroneus longus; _d_,
extensor digiti quarti; _e_, deep digital flexor; _e′_, tendon of
_e_; _e″_, branch of interosseus medius or suspensory ligament; _f_,
gastrocnemius (the soleus lies just in front of _f_); _f′_, tendon
of _f_; _g_, tendon of superficial digital flexor; _h_, interosseus
medius or suspensory ligament; _i_, _i_, annular ligaments; _20_,
patella; _21′_, external condyle of tibia; _28_, crest of tibia.
(After Ellenberger-Baum, Anat. für Künstler.)
]
The =articularis genu= or subcrureus is a small muscle which lies under
the lower part of the vastus intermedius, and is inserted on the
suprapatellar cul-de-sac of the synovial membrane.
The =capsularis= is absent.