Intrinsic foot muscles, nerves of the lower extremity, and vessels of the lower extremity

calcaneus

extensor digitorum brevis origin

extensor digitorum longus tendon which inserts on 2nd,3rd,& 4th toes

extensor digitorum brevis insertion

extension of the 2nd-4th toes

actions of the extensor digitorum brevis

C

Which of the following is a characteristic of intrinsic foot muscles?

a) They originate outside the foot

b) They insert outside the foot

c) They all originate and insert within the foot

d) They originate within the foot and insert outside of it

calcaneus

extensor hallucis BREVIS origin

distal phalanx of the great toe

extensor hallucis BREVIS insertion

extension of the great toe

action of the extensor hallucis BREVIS

Dorsum of the foot

Extensor digitorum brevis and extensor hallucis brevis are located on which part of the foot?

plantar compartment

In which compartment are the majority of intrinsic foot muscles found?

Extensor digitorum brevis

what muscle is responsible for extending the toes and is located on the dorsum of the foot?

Foot stability and control

The intrinsic foot muscles are important for:

C

Which of the following muscles helps maintain the arch of the foot and provides support during walking and running?

a) Gastrocnemius

b) Quadriceps

c) Plantar fascia

d) Extensor digitorum longus

extend the big toe

The primary action of the extensor hallucis brevis is to:

intrinsic foot muscles

Which group of muscles helps in gripping the ground and maintaining balance during activities like yoga and martial arts?

B

Which of the following muscles is part of the first (superficial) layer of intrinsic foot muscles?

a) Extensor digitorum longus

b) Abductor hallucis

c) Tibialis posterior

d) Gastrocnemius

C

The primary function of the abductor hallucis muscle is to:

a) Flex the big toe

b) Abduct the little toe

c) Adduct the big toe

d) Extend the ankle joint

Flexor digitorum brevis

The intrinsic foot muscles are crucial for maintaining the arches of the foot. Which muscle in the first layer helps support the medial arch?

D

Which of the following is not a function of the intrinsic foot muscles?

a) Toes' sensory perception

b) Toes' movement and stabilization

c) Arch support

d) Ankle dorsiflexion

calcaneus tuberosity

Flexor Digitorum Brevis origin

middle phalanges of the 4 lateral toes

Flexor Digitorum Brevis insertion

flexes the MP and PIP joints of 2-5 toes

actions of the Flexor Digitorum Brevis

calcaneus tuberosity

Abductor Digiti Minimi origin

proximal phalanx of the little toe

Abductor Digiti Minimi insertion

abduction of the little toe

action of the Abductor Digiti Minimi

plantar surface of the calcaneus

origin of the Abductor Hallucis

proximal phalanx of great toe

insertion of the Abductor Hallucis

abduction of the big toe

action of the Abductor Hallucis

quadratus plantae

lumbricales

what's in the 2nd layer of the intrinsic foot muscles (2 muscles)

medial and lateral calcaneus

origin of the Quadratus plantae

flexor digitorum longus tendon

Quadratus plantae insertion in what TENDON

flexion of toes 2-5

action of the Quadratus plantae

flexor digitorum longus tendon

what tendon do the Lumbricales originate

extensor digitorum longus tendon

what tendon do the lumbricales insert themselves

flexes PIP

extends DIP

*all of 2-5 toes*

actions of the lumbricales

bony attachments

the lumbricales have no ______ to connect to other tendons

Flexor hallucis brevis

adductor hallucis

flexor digiti minimi brevis

what 3 muscles are in the 3rd layer of the intrinsic foot muscles

cuneiform bones

origin of the Flexor Hallucis Brevis

proximal phalanx of the great toe

insertion of the Flexor Hallucis Brevis

flexion of the great toe

action of the Flexor Hallucis Brevis

2nd, 3rd & 4th metatarsals

origin of the Adductor Hallucis OBLIQUE HEAD

plantar surface of MP ligaments of the 3rd 4th & 5th toes

origin of the Adductor Hallucis TRANSVERSE HEAD

proximal phalanx of the great toe

insertion of the Adductor Hallucis

adduction of the great toe

action of the adductor hallucis

base of the 5th metatarsal

origin of the Flexor Digiti Minimi Brevis

proximal phalanx of the little toe

insertion of the Flexor Digiti Minimi Brevis

flexion of the little toe

action of the Flexor Digiti Minimi brevis

dorsal and plantar interossei

what is included in the 4th layer of the intrinsic foot muscles

sides of the metatarsals

origin of the Dorsal interossei

2nd , 3rd & 4th proximal phalanges

insertion of the dorsal interossei

abduction of 3rd & 4th MP joints

actions of the Dorsal interossei

3rd, 4th, & 5th metatarsals

origin of the Plantar interossei

proximal phalanges of 3rd, 4th, & 5th toes

insertion of the Plantar interossei

adduction of 3rd- 5th MCP joints

action of the plantar interossei

lumbar and sacral

All ankle, foot muscles: innervated from ___ and ___ plexus

L4-S3

Which spinal levels give rise to the sciatic nerve?

quadriceps

Which of the following muscles is NOT innervated by the Tibial division of the sciatic nerve?

A. Gastrocnemius (medial head)

B. Soleus

C. Tibialis posterior

D. Quadriceps

Flexor digitorum longus

Which muscle among the following is responsible for plantar flexion and is innervated by the Tibial division of the sciatic nerve?

A. Tibialis anterior

B. Flexor digitorum longus

C. Biceps brachii

D. Deltoid

Flexing the big toe

What is the action of the flexor hallucis longus muscle, which is innervated by the Tibial division of the sciatic nerve?

Leg and buttock

Which part of the body is typically affected by discomfort or pain if the sciatic nerve is compressed or irritated?

Ankle plantar flexion

The Gastrocnemius muscle, specifically the medial head, is responsible for what type of movement?

tibial division

Which division of the Sciatic nerve is responsible for innervating the intrinsic foot muscles?

Flexor digitorum brevis

Which of the following muscles is primarily innervated by the Medial plantar nerve?

a. Flexor digitorum brevis

b. Abductor hallucis

c. Flexor hallucis brevis

d. First lumbricale

Medial and lateral plantar nerve

The Tibial division of the Sciatic nerve gives rise to which 2 nerves that innervate intrinsic foot muscles?

Flexor hallucis brevis

Which muscle is responsible for flexing the big toe (hallux) and is innervated by the Medial plantar nerve

a. Flexor digitorum brevis

b. Abductor hallucis

c. Flexor hallucis brevis

d. First lumbricale

peroneal division

The Sciatic nerve can be divided into two major branches, the Tibial division and the _____.

Medial plantar nerve

The First lumbricale muscle is innervated by which nerve?

medial plantar nerve

The Sciatic nerve, including its Tibial division, plays a critical role in the innervation of the lower extremities. Which branch is responsible for innervating the intrinsic muscles of the foot?

tibial division

In which division of the Sciatic nerve would you find the Flexor hallucis brevis muscle?

Lateral plantar nerve

Which nerve arises from the Tibial division and innervates the intrinsic muscles of the foot, including the Lumbricales and Dorsal interossei?

A

Among the following, which muscle is NOT innervated by the Lateral plantar nerve

A) Adductor hallucis

B) Quadratus plantae

C) Lumbricales

D) Plantar interossei

B

Which of the following is responsible for the innervation of the Flexor digiti minimi muscle in the foot?

A) Medial plantar nerve

B) Lateral plantar nerve

C) Plantar interossei

D) Adductor hallucis

B

Which nerve is primarily responsible for innervating the Abductor digiti minimi muscle in the foot?

A) Tibial division

B) Medial plantar nerve

C) Dorsal interossei

D) Lateral plantar nerve

dorsal interossei

The Lumbricales in the foot are innervated by which muscle

quadratus plantae

what muscle is involved in flexing the toes and is innervated by the Tibial division of the Sciatic nerve?

fibularis brevis

The fibularis (peroneus) brevis nerve innervates which MUSCLE of the lower leg?

extension of the hip joint

The common fibular (peroneal) division of the sciatic nerve plays a crucial role in the extension of the:

Sensation of the skin on the dorsum of the foot

The common fibular (peroneal) division of the sciatic nerve bifurcates into two branches, the superficial fibular nerve and the deep fibular nerve. What is the primary function of the superficial fibular nerve?

sciatic nerve

Which nerve is the largest and longest nerve in the human body?

A

The Common Fibular (Peroneal) division branches into two major nerves, the Superficial Fibular nerve and the Deep Fibular nerve. Which of the following muscles is primarily innervated by the Deep Fibular nerve?

a) Tibialis anterior

b) Gastrocnemius

c) Soleus

d) Biceps femoris

D

The Deep Fibular (Peroneal) nerve is responsible for the motor function of several muscles in the leg. Which of the following muscles is NOT innervated by the Deep Fibular nerve?

a) Extensor digitorum longus

b) Extensor hallucis longus

c) Fibularis (Peroneus) tertius

d) Gastrocnemius

D

Among the following muscles, which one is NOT innervated by the Deep Fibular (Peroneal) nerve?

a) Extensor digitorum brevis

b) Tibialis anterior

c) Extensor hallucis longus

d) Fibularis (Peroneus) tertius

tibial nerve

The Sciatic nerve divides into two major branches, the Tibial nerve and the Common Fibular (Peroneal) nerve. Which of these two branches primarily innervates the posterior compartment of the thigh?

dorsiflexion

extension

The Deep Fibular (Peroneal) nerve primarily innervates the muscles responsible for ____ of the foot and ____ of the toes.

Vastus lateralis

Which of the following muscles receives blood supply from the genicular branch of the femoral artery?

a) Biceps femoris

b) Iliacus

c) Vastus lateralis

d) Sartorius

Femoral circumflex artery

The deep femoral artery, also known as the profunda femoris artery, gives rise to several branches. Which one of the following is NOT a branch of the deep femoral artery?

a) Medial circumflex artery

b) Lateral circumflex artery

c) Perforating arteries

d) Femoral circumflex artery

Gluteals

Perforating arteries arising from the deep femoral artery provide blood supply to which muscle group?

Adductors

The superficial iliac circumflex branch of the femoral artery primarily supplies blood to which muscle group?

axillary artery

Which of the following is NOT a branch of the femoral artery?

a) Genicular artery

b) Superficial iliac circumflex artery

c) Deep femoral artery

d) Axillary artery

the lower extremity

where does the Femoral Triangle in the human body control bleeding in?

Inguinal ligament

Which ligament forms the superior border of the Femoral Triangle?

Sartorius

Which muscle forms the lateral border of the Femoral Triangle?

femoral artery

In the Femoral Triangle, which vessel is most commonly controlled to manage bleeding in the lower extremity?

adductor longus

The Femoral Triangle is bordered medially by which muscle?

sartorius muscle

Inguinal ligament, which forms the superior border of the Femoral Triangle, is an attachment point for which muscle?

Popliteal artery

Which artery is formed when the femoral artery passes behind the knee?

Lateral and medial superior genicular arteries

What are the main branches of the popliteal artery at the knee?

Hamstrings

vastus lateralis

gastrocnemius

soleus

plantaris

The popliteal artery gives rise to which 5 muscular branches?

Popliteal artery

What artery supplies the muscles of the adductor magnus in the lower extremity?

Popliteal artery

Which artery is responsible for supplying the lateral and medial aspects of the knee joint?

Medial genicular artery

What artery provides blood to the hamstrings in the lower extremity?