2nd Layer of Plantar Foot Intrinsic Muscles

Question 1

What is the MA for the Quadratus Plantae?

Answer 1

Assists flexor digitorum longus with flexion of digits 2-5 at the metatarsophalangeal (MTP) and interphalangeal (IP) joints

Question 2

What is the PA for the Quadratus Plantae?

Answer 2

Medial calcaneus

Question 3

What is the DA for the Quadratus Plantae?

Answer 3

Flexor digitorum longus tendon

Question 4

What is the N of the Quadratus Plantae?

Answer 4

Lateral plantar nerve (S1, S2, & S3)

Question 5

What is the MA for the Lumbricals (1-4)?

Answer 5

Flexion of digits 2-5 at the metatarsophalangeal (MTP) joints

Extension of digits 2-5 at the proximal and distal interphalangeal (PIP & DIP) joints

Question 6

What is the PA for the Lumbricals (1-4)?

Answer 6

Flexor digitorum longus tendon

Question 7

What is the DA for the Lumbricals (1-4)?

Answer 7

Medial aspect of extensor expansions over digits 2-5

Question 8

What is the N of the Lumbricals (1-4)?

Answer 8

Medial one: medial plantar nerve (L5 & S1)

Lateral three: lateral plantar nerve (S1, S2, & S3)