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Anterior & Medial Thigh (Region 1)
Origin, Insertion, Action, Nerve, Blood
17
Anatomy
Graduate
06/20/2010

Additional Anatomy Flashcards

 


 

Cards

Term
Name the muscles of the anterior thigh...
Definition

1. Sartorius

2. Quadriceps femoris (rectus femoris; vastus lateralis; vastus medialis; vastus intermedius)

3. Articularis genus

4. Pectineus

5. Iliopsoas (psoas major; iliacus)

Term
Sartorius
Definition

O: ASIS

 

I: proximal anteromedial tibia

 

A: flexion, ABduction, & lateral rotation of hip joint

 

N: femoral nerve

 

B: femoral artery

Term
Rectus femoris
Definition

O: AIIS (ant. head);

superior to rim of acetabulum (post. head)

 

I: tibial tuberosity

 

A: extension of knee;

flexion of hip

 

N: femoral nerve

 

B: femoral artery

Term
Vastus lateralis
Definition

O: lateral lip of linea aspera

 

I: tibial tuberosity

 

A: extension of knee joint

 

N: femoral nerve

 

B: descending branch of lateral femoral circumflex artery

Term
Vastus intermedius
Definition

O: anterior lateral surface of femur

 

I: tibial tuberosity

 

A: extension of knee

 

N: femoral nerve

 

B: femoral artery

Term
Vastus medialis
Definition

O: medial lip of linea aspera (intertrochanteric line)

 

I: tibial tuberosity

 

A: extension of knee

 

N: femoral nerve

 

B: femoral artery

Term
Pectineus
Definition

O: pectineal line of pubis

 

I: pectineal line of femur

 

A: adduction & flexion of hip

 

N: femoral and/or obturator nerve

 

B: obturator artery, medial femoral circumflex artery

 

 

Term
Psoas Major
Definition

O: TP's of L1-L5, vert. bodies of T12-L5 and IVD's

 

I: lesser trochanter of femur

 

A: flexion & lateral rotation of hip;

flexion & lateral flexion of spinal joints

 

N: lumbar plexus ventral rami of nerves L1-L3

 

B: lumbar branch of iliolumbar artery

Term
Iliacus
Definition

O: inner surface of iliac fossa

 

I: lesser trochanter of femur

 

A: flexion & lateral rotation of hip joint;

anterior pelvic tilt

 

N: femoral nerve

 

B: iliac branch of iliolumbar artery

Term
Name the muscles of the medial thigh...
Definition

1. Adductor longus

2. Adductor brevis

3. Adductor magnus

4. Gracilis

5. Obturator externus

Term
Adductor longus
Definition

O: anterior surface of pubis

 

I: medial lip of linea aspera

 

A: adduction & flexion of hip joint;

lateral rotation of thigh

 

N: obturator nerve

 

B: obturator artery, medial femoral circumflex artery

Term
Adductor brevis
Definition

O: body & inferior ramus of pubis

 

I: medial lip of linea aspera

 

A: adduction & flexion of hip joint;

lateral rotation of thigh

 

N: obturator nerve

 

B: obturator artery, medial femoral circumflex artery

Term
Adductor magnus (ant. head)
Definition

O: inferior pubic ramus & ischial ramus (ant. head)

 

I: linea aspera

 

A: adduction & extension of hip;

lateral rotation of thigh

 

N: obturator nerve

 

B: profunda femoris, obturator, and medial femoral circumflex arteries, and muscular branches of the popliteal artery

Term
Adductor magnus (post. head)
Definition

O: ischial tuberosity

 

I: adductor tubercle of femur

 

A: adduction & extension of hip

 

N: sciatic nerve (tibial division)

 

B: profunda femoris, obturator, and medial femoral circumflex arteries, and muscular branches of the popliteal artery

Term
Gracilis
Definition

O: body & inferior ramus of pubis

 

I: proximal anterior medial tibia

 

A: adduction & flexion of hip;

flexion & medial rotation of knee

 

N: obturator nerve

 

B: branches of the profunda femoris, obturator, and medial femoral circumflex arteries, saphenous artery

Term
Obturator externus (deep to pectineus)
Definition

O: obturator foramen & obturator membrane

 

I: trochanteric fossa of femur

 

A: lateral rotation of hip joint;

ABduction of thigh when hip is flexed

 

N: obturator nerve

 

B: obturator artery, medial femoral circumflex artery

Term

Femoral triangle (SAIL)

For boundaries, remember "SAIL"...

Sartorius (laterally)

Adductor longus (medially)

Inguinal Ligament (superiorly)

 

Iliopsoas, pectineus (floor)

 

Femoral nerve, sheath, artery, and vein (contents)

Definition
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