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Leg Muscles
Muscles of the Leg
32
Anatomy
Undergraduate 2
11/11/2011

Additional Anatomy Flashcards

 


 

Cards

Term
Iliopsoas
Definition

Action: Flexion at hip

 

Origin: Illium, Sacrum, lumbar vertebrae

 

Insertion: Lesser trochanter of femur

Term
Psoas Major
Definition

Action: Flexion at hip or lumbar intervertebrals

 

Origin: Transverse process of T12-L5

 

Insertion: Lesser trochanter of femur

Term
Iliacus
Definition

Action: Flexion at hip

 

Origin: Iliac fossa

 

Insertion: Inferior to the lesser trochanter of femur

Term
Sartorius
Definition

Action: Flex knee, abduct and laterally rotate thigh

 

Origin: Iliac spine

 

Insertion: Tibia

Term
Adductor Magnus
Definition

Action: Adduct, medially rotate, and flex thigh

 

Origin: Ischium, pubis

 

Insertion: Femur

Term
Adductor Longus
Definition

Action: Adduct, medially rotate, and flex thigh

 

Origin: Ischium, pubis

 

Insertion: Femur

Term
Adductor Brevis
Definition

Action: Adduct, medially rotate, and flex thigh

 

Origin: Ischium, pubis

 

Insertion: Femur

Term
Pectineus
Definition

Action: Adduct, flex, and medially rotate thigh

 

Origin: Pubis

 

Insertion: Femur

Term
Gracilis
Definition

Action: Adduct thigh, medially rotate and flex knee

 

Origin: Pubis

 

Insertion: Tibia

Term
Rectus Femoris
Definition

Action: Extend knee, flex thigh at hip

 

Origin: Iliac spine and acetabulum

 

Insertion: Tibial tuberosity and patella

Term
Vastus Lateralis
Definition

Action: Extend knee

 

Origin: Greater trochanter of femur

 

Insertion: Tibial tuberostity and patella

Term
Vastus Medialis
Definition

Action:Extend knee

 

Origin: Femur

 

Insertion: Tibial tuberosity and patella

Term
Vastus Intermedius
Definition

Action: Exten knee

 

Origin: Femur

 

Insertion: Tibial tuberostity and patella

Term
Tensor Fasciae Latae
Definition

Action: Flex, abduct and medially rotate thigh

 

Origin: Ilium 

 

Insertion: Fasciae late, Iliotibial tract (IT band)

Term
Gluteus Maximus
Definition

Action: Thigh extensor

 

Origin: Ilium, sacrum, coccyx

 

Insertion: Gluteal tuberosity of femur

Term
Gluteus Medius
Definition

Action: Abduct and medially rotate thigh

 

Origin: Ilium

 

Insertion: Greater trochanter of femur

Term
Gluteus Minimus
Definition

Action: Abduct and medially rotate thigh

 

Origin: Ilium

 

Insertion: Greater trochanter of femur

Term
Piriformis
Definition

Action: Lateral rotation and abduction of hip

 

Origin: Sacrum

 

Insertion: Greater trochanter of femur

Term
Biceps Femoris
Definition

Action: Extend thigh, flex knee, rotate leg

 

Origin: Ischial tuberosity

 

Insertion: Fibula and Tibia

Term
Semitendinousus
Definition

Action: Extend thigh, flex knee, rotate leg

 

Origin: Ischial tuberosity

 

Insertion: Tibia

Term
Semimembranousus
Definition

Action: Extend thigh, flex knee, rotate leg

 

Origin: Ischial tuberosity

 

Insertion:Tibia and Femur

Term
Fibularis (peronius) Longus
Definition

Action: Plantar flexion

 

Origin: Proximal fibula

 

Insertion: Metatarsal 1 and medial cuneiform

Term
Fibularis (peronius) Brevis
Definition

Action: Plantar flexion

 

Origin: Distal fibula

 

Insertion: Metatarsal 5

Term
Tibialis Anterior 
Definition

Action: Dorsiflexion and inversion

 

Origin: Tibia

 

Insertion: Tarsals and metatarsal 1

Term
Extensor Digitorum Longus
Definition

Action: Toe extension, dorsiflexion and inversion

 

Origin: Lateral condyle of tibia and proximal fibula

 

Insertion: Middle and distal phalanges of toes 2-5

Term
Extensor Hallucis Longus
Definition

Action: Extend toe 1 and dorsiflexion

 

Origin: Fibula

 

Insertion: Distal phalanx of toe 1

Term
Gastrocnemius
Definition

Action: Plantar flexion

 

Origin: Femur

 

Insertion: Calcaneus

Term
Soleus
Definition

Action: Plantar flexion

 

Origin: Tibial and fibula

 

Insertion: Calcaneus

Term
Tibialis Posterior
Definition

Action: Inversion, plantar flexion

 

Origin: Tibia and fibula

 

Insertion: Tarsals and metatarsals

Term
Popliteus
Definition

Action: Medial flexion and rotate knee

 

Origin: Lateral condyle of femur

 

Insertion: Proximal tibia

Term
Flexor Digitorum Longus
Definition

Action: Flexes toes

 

Origin: Tibia

 

Insertion: Distal phalanges of toes

Term
Flexor Hallucis Longus
Definition

Action: Flexes toe 1 and plantar flexion

 

Origin: Fibula

 

Insertion: Distal phalanx of toe 1

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