Muscles of the foot

Question 1

What muscle is this

Answer 1

Flexor Digitorum brevis

Question 2

What muscle is this

Answer 2

Extensor Digitpurm Brevis

Question 3

Answer 3

Extensor Hallucis Brevis

Question 4

Answer 4

Quadratus Plantae

Question 5

Answer 5

Lumbricals

Question 6

Answer 6

Plantar Interossei

Question 7

Answer 7

Dorsal Interossei

Question 8

Answer 8

Abductor Digiti Minimi

Question 9

Answer 9

Flexor Digiti Minimi

Question 10

Answer 10

Opponens Digiti Minimi

Question 11

Answer 11

Abductor Hallucis

Question 12

Answer 12

Adductor Hallucis

Question 13

Answer 13

Flexor Hallucis

Question 14

Detail The Charecteristics of Flexor Digitorum Brevis

Answer 14

Origin - Calcaneal Tuberosity + Plantar Aponeurosis
Insertion - 2-5th Middle Phalanges
Innervation - Medial Plantar Nerve
Action - Flexion of 2-5th digit/ Support Longitudinal arch of the foot

Question 15

Detail Charecteristics of Quadratus Plantae

Answer 15

Origin - Plantar Calcaneus
Insertion - Tendon of the Flexor Digitorum Muscle
Innervation - Lateral Plantar Nerve
Action - Redirect the Line of pull of the Flexor Digitorum Longus Tendon aiding Plantar Flexion

Question 16

Detail Charecterisitics of the Lumbricals

Answer 16

Origin - Medially at the Tendon of Flexor Digitorum Longus Muscle
Insertion - Proximal Phalanges 2-5
Innervation - Medial Lumbrical = Medial Plantar Nerve other three Lateral Plantar Nerve
Action - Adduction and Flexion of the 2- 5th digits

Question 17

Detail Charecteristics of the Plantar Interossei

Answer 17

Origin - 3-5th Metatarsal Bones
Insertion - Base of the Proximal Phalanges 3-5th
Innervation - Lateral Plantar Nerve
Action - Adduction and Flexion of 3-5th digits

Question 18

Detail the Charecteristics of the Dorsal Interossei

Answer 18

Origin - Adjecent sides of the Metatarsal bones (inbetween the each of the toes)
Insertion - 1st one inserts medially other 3 insert laterally
Innervation - Lateral Plantar Nerve
Action - Abduction and flexion of the associated digits

Question 19

Detail the Charecteristics of the Abductor Digiti Minimi

Answer 19

Origin - Calcaneal Tuberosity + Plantar Aponeurosis
Insertion - Base of the 5th proximal Phalanyx and 5th Met Bone
Innervation - Lateral Plantar Nerve
Action - Abduct and flex 5th digit

Question 20

Detail the Charecteristics of the Flexor Digiti Minimi Brevis

Answer 20

Origin - Base of the 5th Metatarsal and Long Plantar Ligament
Insertion - Base of the proximal Phalanyx
Innervation - Lateral Plantar Nerve
Action - Flexion of the 5th digit

Question 21

Detail the Charecteristics of the Abductor Hallucis

Answer 21

Origin - Medial Calcaneus + Plantar Aponeurosis
Insertion - Base of the 1st Proximal Phalaynx
Innervation - Medial Plantar Nevre
Action - Abducts and flex the Hallux at MTP joint

Question 22

Detail The charecteristics of the Adductor Hallucis Transverse Head

Answer 22

Transverse Head
Origin - Plantar ligaments of the 3rd 4th 5th MPJ
Insertion - Lateral base of Prolximal phalynx of Hallux
Innervation - Lateral Plantar Nerve
Action - Adducts Hallux

Question 23

Detail the Charecteristics of the Adductor Hallucis Oblique Head

Answer 23

Origin - Base of the 2nd, 3rd and 4th Metatarsal
Insertion - Lateral Base of Proximal Phalaynx of Hallux
Innervation - Lateral Plantar Nerve
Action - Adducts Hallux

Question 24

Detail Charecteristics of the Flexor Hallucis Brevis

Answer 24

Origin - Lateral Cuneiform and Plantar surface of the Cuboid
Insertion - Medial and Lateral Sesamoid Bones Hallux (Base of the Proximal Phalynx)
Innervation - Medial Head (Medial Plantar Nerve) Lateral Head (Lateral Plantar Nerve)
Action - Flexes the Hallux

Question 25

Detail the Charecteristics of the Extensor Digitorum Brevis

Answer 25

Origin - Superior Lateral surface of Calcaneus Insertion - Base of the Middle Phalanges 2 3 and 4 and Dorsal Aponuerosis Innervation - Deep Peoneal Nerve/ Fibular Nerve Action - Dorsal Extension of the 2nd 3rd 4th Digit

Question 26

Detail The charecteristics of the Extensor Hallucis Brevis

Answer 26

Origin - Superior Lateral surface of Calcaneus Insertion - Base of the proximal phalynx of Hallux and Dorsal Apponuerosis Innervation - Deep Peroneal Nerve/Fibular Nerve Action - Dorsal Extension of the MTP Joint of the Hallux

Question 27

Which nerve Innervates all the muscles of the Dorsum of the Foot

Answer 27

Deep Peroneal Nerve/ Fibular Nerve