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Are three in number. 1. Peronaeus Brevis seu Secundus seu Anticus seu Medius, Semi-fibulaeus, (F.) Grand-peroneo-sus-uetatarsien, Court peroneo-lateral, Moyen Perotier. A muscle, situate beneath the peronaeus longus. It is attached above, to the outer surface of the fibula, and terminates, below, at the posterior extremity of the 5th metatarsal bone, after having been reflected beneath the malleolus externus. It extends the foot upon the leg, at the same time raising a little the outer edge. It may, also, act upon the leg, and extend it upon the foot. 2. Peronaeus Longus seu primus seu posticus seu maximus seu posterior, (F.) Tibiperoneo-tarsien, Long peronier lateral, Peroneosous-tarsien, (Ch.) Muscle grand peronier. This muscle is situate at the outer part of the leg. It is long, thick, and triangular above; thin, narrow, and flat below. It is attached above to the outer edge of the upper extremity of the fibula, and to the upper third of the outer surface of that bone. Below, it terminates at the outer part of the posterior extremity of the first metatarsal bone. This muscle extends the foot on the leg, turning its point outward, and raising its outer edge. It acts, also, upon the leg, which it extends on the foot. 3. Peronaeus Tertius, Nonus Vesalii, (F.) Peronier antirieur, Petit peroneosus-metatarsien (Ch.,) Petit Peronier. A muscle, situate at the anterior, outer, and inferior part of the leg. It is long and flat, and is attached, above, to the inferior third of the anterior margin and inner surface of the fibula; terminating, below, at the posterior extremity of the 5th metatarsal bone. This muscle bends the foot on the leg, by raising its outer edge. It can, also, bend the leg on the foot.