test 4 sole of foot Flashcards
first layer muscles
- abdctor hallucis
- flexor digitorum brevis
- abductor digiti minimi
Abductor hallucis origin
Medial tubercle of tuberosity of calcaneus, flexor retinaculum, and plantar aponeurosis
Abductor hallucis insertion
Medial side of base of proximal phalanx of 1st digit
Abductor hallucisinnervation
Medial plantar nerve (S2, S3)
Abductor hallucis action
Abducts and flexes 1st digit (great toe, hallux)
Flexor digitorum brevis origin
Medial tubercle of tuberosity of calcaneus, plantar aponeurosis, and intermuscular septa
Flexor digitorum brevis insertion
Both sides of middle phalanges of lateral four digits
Flexor digitorum brevis innervation
Medial plantar nerve (S2, S3)
Flexor digitorum brevis action
Flexes lateral four digits
Abductor digiti minimi origin
Medial and lateral tubercles of tuberosity of calcaneus, plantar aponeurosis, and intermuscular septa
Abductor digiti minimi insertion
Lateral side of base of proximal phalanx of 5th digit
Abductor digiti minimi innervation
Lateral plantar nerve (S2, S3)
Abductor digiti minimi action
Abducts and flexes 5th digit
second layer muscles
- Quadratus Plantae
- Lumbricals
Quadratus plantae origin
Medial surface and lateral margin of plantar surface of calcaneus
Quadratus plantae insertion
Posterolateral margin of tendon of flexor digitorum longus
Quadratus plantae innervation
Lateral plantar nerve (S2, S3)