MUSCLES OF THE LEG AND FOOT 357 
The tibialis anterior is smaller, and arises by two heads. The larger head 
springs from the lateral! surface of the tuberosity and crest of the tibia; the lateral, 
smaller one (M. extensor hallucis longus), arises from the upper part of the lateral 
Fic. 310.—Musctes or Lerr Lec anv Foor or Ox; 
ANTERIOR VIEW. 
a, Peroneus tertius; a’, tibialis anterior; b, long 
digital extensor; b’, extensor digiti tertii; c, peroneus 
longus; d, extensor digiti quarti; 7,7, annular liga- 
ments; k, lateral ligament of hock joint; 1, branch of 
suspensory ligament; 20, patella; 21’, lateral condyle 
of tibia; 28, tuberosity of tibia. (After Ellenberger- 
Baum, Anat. fiir Kunstler.) 
Fic. 311.—Mvsctes or Lerr Lee anp Foor or Ox; 
LaTpRAL VIEW. 
a, Peroneus tertius; a’, tibialis anterior; 6, long 
digital extensor; 6’, tendon of b; c, peroneus longus; 
d, extensor digiti quarti; e, deep digital flexor; e’, ten- 
don of e; e’’, branch of interosseus medius or suspen- 
sory ligament; f, gastrocnemius (the soleus lies just in 
front of f); /’, tendon of superficial digital flexor; h, in- 
terosseus medius or suspensory ligament; 7, 7, annular 
ligaments; 20, patella; 27’, lateral condyle of tibia; 
28, tuberosity of tibia. (After Ellenberger-Baum, Anat. 
fiir Kiinstler.) 
border of the tibia and the fibrous band which replaces the shaft of the fibula. The 
tendon perforates that of the preceding muscle, passes to the medial face of the 
hock, and ends on the metatarsal and second and third tarsal bones. 
