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Lower Leg Muscles
Lower Leg Muscles
30
Anatomy
Undergraduate 1
03/14/2011

Additional Anatomy Flashcards

 


 

Cards

Term


Tibialis Anterior

Origin

Definition

 

 

lateral condyle of tibia
lateral shaft of tibia
interosseous membrane

Term


Tibialis Anterior

Insertion

Definition

 

base of first metatarsal

-plantar surface

 

medial cuneiform tarsal bone

-plantar surface

Term


Tibialis Anterior

Action

Definition

 

dorsiflexion of ankle

inversion of foot

Term


Extensor Digitorum Longus

Origin


Definition

 

lateral condyle of tibia

proximal 2/3 of anterior shaft of fibula

Term


Extensor Digitorum Longus

Insertion

Definition

 

middle and distal phalanges

of four lateral toes

Term


Extensor Digitorum Longus

Action

Definition

 

extension of four lateral toes at MP joint

assists dorsiflexion of ankle

Term


Extensor Hallucis Longus

Origin

Definition

 

 

anterior shaft of fibula

interosseous membrane

Term


Extensor Hallucis Longus

Insertion

Definition

 

 

base of distal phalanx of the great toe

Term


Extensor Hallucis Longus

Action

Definition

 


extension of great toe at IP joint

extension of great toe at MP joint

assists dorsiflexion of ankle

Term


Gastrocnemis

Origin

Definition

 


medial epicondyle of femur

lateral epicondyle of femur

Term


Gastrocnemis

Insertion

Definition

 

calcaneus via calcaneal tendon

(tendo Achilles)

Term


Gastrocnemis

Action

Definition

 

plantarflexion of ankle

assists flexion of knee

Term


Soleus

Origin

Definition

 

 

soleal line of tibia

posterior head of fibula

upper shaft of fibula

Term

 

Soleus

Insertion

Definition

 

calcaneus via calcaneal tendon

(tendo Achilles)

Term


Soleus

Action

Definition

 

 

plantarflexion of ankle

Term


Tibialis Posterior

Origin

Definition



posterior tibia

posterior fibula

interosseous membrane

Term


Tibialis Posterior

Insertion

Definition

 

 

adjacent tarsals and metatarsals on plantar surface

navicular tarsal bone

Term


Tibialis Posterior

Action

Definition

 

 

inversion of foot

assists plantarflexion of ankle

Term

 

Flexor Digitorum Longus

Origin

Definition

 

 

posterior tibia

Term


Flexor Digitorum Longus

Insertion

Definition

 

 

distal phalanges of four lateral toes

-plantar surface

Term


Flexor Digitorum Longus

Action

Definition


 

flexion of four lateral toes at IP joints

assists flexion of four lateral toes at MP joints

assists plantarflexion of ankle

Term


Flexor Halluscis Longus

Origin

Definition

 

posterior fibula

Term

 

Flexor Halluscis Longus

Insertion

Definition

 

 

distal phalanx of great toe

-plantar surface

Term


Flexor Halluscis Longus

Action

Definition


 

flexion of great toe at MP joint

flexion of great toe at IP joint

assists plantarflexion of ankle

Term


Plantaris

Origin

Definition

 

 

lateral epicondyle of femur

Term


Plantaris

Insertion

Definition

 

 

calcaneus via calcaneal tendon

Term


Plantaris

Action

Definition


 

 

assists plantarflexion of ankle

assists flexion of knee

Term


Popliteus

Origin

Definition

 

 


lateral condyle of femur

Term

 

Popliteus

Insertion

Definition

 

 

posterior proximal tibial shaft

Term

 

 

Popliteus

Action

Definition



lateral rotaton of the femur to "unlock"

the extended knee to initiate knee flexion

 

assists medial rotation of tibia

when knee is flexed

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