Foot

Question 1

Flexor Digitorum Brevis Action

Answer 1

flex digits 2-5 (MTP, PIP)

Question 2

Flexor Digitorum Brevis PA

Answer 2

medial tubercle of calcaneal tuberosity, plantar aponeurosis, intermuscular septa

Question 3

Flexor Digitorum Brevis DA

Answer 3

both sides of middle phalanges of digits 2-5

Question 4

Flexor Digitorum Brevis Innervation

Answer 4

medial plantar nerve (L5, S1)

Question 5

Quadratus Plantae Action

Answer 5

assist flexor digitorum longus in flexing digits 2-5 (MTP, IPs)

Question 6

Quadratus Plantae PA

Answer 6

medial calcaneus

Question 7

Quadratus Plantae DA

Answer 7

tendon of flexor digitorum longus

Question 8

Quadratus Plantae Innervation

Answer 8

lateral plantar nerve (S1, S2, S3)

Question 9

Lumbricals Action

Answer 9

of digits 2-5,
- flex MTP joint
- extend PIP and DIP joints

Question 10

Lumbricals PA

Answer 10

tendons of flexor digitorum longus

Question 11

Lumbricals DA

Answer 11

medial aspect of expansion over lateral 4 digits

Question 12

Lumbricals Innervation

Answer 12

• medial 1: medial plantar nerve (L5, S1)
• lateral 3: lateral plantar nerve (S1, S2, S3)

Question 13

Flexor Hallucis Brevis Action

Answer 13

flex MTP of 1st digit

Question 14

Flexor Hallucis Brevis PA

Answer 14

plantar cuboid and lateral cuneiforms

Question 15

Flexor Hallucis Brevis DA

Answer 15

both sides of base of proximal phalanx of 1st digit
- tendon contains 2 sesamoid bones of great toe

Question 16

Flexor Hallucis Brevis Innervation

Answer 16

medial plantar nerve (L5, S1)

Question 17

Adductor Hallucis Action

Answer 17

• adduct 1st digit
• assist in maintaining transverse arch by pulling metatarsals medially

Question 18

Adductor Hallucis PA

Answer 18

• oblique head: bases of metatarsals 2-4
• transverse head: plantar ligaments of MTP joints

Question 19

Adductor Hallucis DA

Answer 19

lateral side of base of proximal phalanx of 1st digit

Question 20

Adductor Hallucis Innervation

Answer 20

lateral plantar nerve (S1, S2, S3)

Question 21

Plantar Interossei Action

Answer 21

adduct digits 3-5 (MTP)

Question 22

Plantar Interossei PA

Answer 22

plantar medial shafts of metatarsals 3-5

Question 23

Plantar Interossei DA

Answer 23

medial phalanges of digits 3-5

Question 24

Plantar Interossei Innervation

Answer 24

lateral plantar nerve (S1, S2, S3)

Question 25

Dorsal Interossei Action

Answer 25

abduct digits 2-4 (MTP)

Question 26

Dorsal Interossei PA

Answer 26

adjacent sides of shafts of metatarsals 1-5

Question 27

Dorsal Interossei DA

Answer 27

• 1st: medial side of proximal phalanx of 2nd digit
• 2nd-4th: lateral sides of digits 2-4

Question 28

Dorsal Interossei Innervation

Answer 28

lateral plantar nerve (S1, S2, S3)