Intrinsic Muscles- second layer

Question 1

Quadratus plantae

Answer 1

2 heads of origin
medial surface of the calcaneus inferior to the sustentaculum tale
inferior surface of the calcaneus anterior to the lateral process of the calcaneal tuberosity and the attachment of the long plantar ligament
I- lateral side o the tendon flexor digitorum longs
A- flexes the toes and adjusts line of pull
I- lateral plantar nerve

Question 2

Lumbricals

Answer 2

O- adjacent surfaces of tendons of the flexor digitorum longs
first lumbrical- medial side of tendon of flexor digitoxin longus associated with second, third and fourth toe
I- medial margins of the extensor hoods of the four lateral toes
A- flexion of metatarsophalangeal joint and extension of interphalangeal joints