Leg & Foot Origins/ Insertions Flashcards
Dorsal Interossei Pedis
Origin: Metatarsals
Insertion: Sides of the Phalanges and the Dorsal Digital Expansion
Plantar Interossei
Origin: Metatarsals
Insertion: Second-toe sides the proximal phalanges of toes three through five, and the dorsal digital expansion
Extensor Digitorum Brevis
Origin: Dorsal surface of the calcaneus
Insertion: Toes two through four
Extensor Hallucis Brevis
Origin: Dorsal surface of the calcaneus
Insertion: Dorsal surface of the big toe (toe one)
Adductor Hallucis
Origin: Metatarsals
Insertion: Big toe
Flexor Digiti Minimi Pedis
Origin: Fifth Metatarsal
Insertion: Little toe (toe five)
Flexor Hallucis Brevis
Origin: Cuboid and the third cuneiform
Insertion: Big toe (toe one)
*note the sesamoid bones in the medial and lateral tendon
Gastrocnemius
Origin: Medial and lateral femoral condyles and the distal posteromedial femur and the distal posterolateral femur
Insertion: Posterior surface of the calcaneus via the calcanea tendon
Lumbricals Pedis
Origin: The distal tendons of the Flexor Digitorum Longus muscle:
1: Medial border of the tendon to toe two
2: Adjacent sides of the tendons to toes two and three
3: Adjacent sides of the tendons to toes three and four
4: Adjacent sides of the tendons to toes four and five
Insertion: The medial sides of the extensor digitorum longs tendons merging into the dorsal digital expansion of toes 2 through 5
Quadratus Plantae
Origin: The medial and lateral sides of the calcaneus
Insertion: the lateral margin of the distal tendon of the Flexor Digitorum Longus Muscle
Flexor Digitorum Brevis
Origin: Tuberosity of the calcaneus
Insertion: Toes two through five
Abductor Digiti Minimi Pedis
Origin: Tuberosity of the calcaneus
Insertion: Little toe (toe five)
Abductor Hallucis
Origin: Tuberosity of the calcaneus
Insertion: Big toe (toe one)
Soleus
Origin: The soleal line of the tibia and the head and the primal ⅓ of the fibula
Insertion: Posterior surface of the calcaneus view the calcaneal tendon
Fibularis Longus
Origin: The head of the fibula and the proximal ½ of the lateral fibula
Insertion: The first cuneiform and the first metatarsal of the medial foot