Muscles: Lower Limb Flashcards Preview

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Flashcards in Muscles: Lower Limb Deck (109)
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1

1

1 Iliolumbar ligament
 

2

6

6 Inguinal ligament
 

3

7

7 Sacrospinous ligament
 

4

8 (bone structure)

8 Greater trochanter
 

5

9

9 Iliofemoral ligament (vertical band)

6

12

Iliolumbar and ventral sacro-iliac
ligaments

7

15

15 Iliofemoral ligament (horizontal band)
 

8

16

(it's the hole)

16 Obturator canal
 

9

17


17 Obturator membrane

10

18

18 Greater sciatic foramen
 

11

19


19 Sacrospinous ligament
 

base at sacrum to the apex at ischial spine

12

20

20 Sacrotuberous ligament
 

from sacrum to ischial tuberosity

13

21

21 Lesser sciatic foramen
 

14

23

23 Ischiofemoral ligament
 

15

27

27 Dorsal sacro-iliac ligaments
 

16

28

28 Coccyx with superficial dorsal
sacrococcygeal ligament

17

ligament of the head of the femur that connects within the acetabular fossa

Intracaspular ligament which is actually
a Synovial fold containing a small artery to the head of femur. Have a
wide end that attaches to the transverse Acetabular ligament and a narrow
end that attaches to the fovea for ligament of the head of femur.

18

1

Zona orbicularis

 a ligament on the neck of the femur formed by the circular fibers of the articular capsule of the hip joint

19

35

35 Pubofemoral ligament

20

acetabular labrum

21

(SKIP UNTIL FIXED)

The lower extremity has ____ total muscles.

 

They can be divided according to location, function, or innervation.

 

 

 

22

 

3

Iliopsoas muscle 

combination of Psoas major and Iliacus

surrounded by illiac fascia and inserts on lesser trochanter

• Flexes thigh at hip 
• Flexes vertebral 
column 

#5 below

Lumbar Plexus
(L1-L3)

 

 

23

5

Tensor fasciae latae muscle

Origin: Anterior superior iliac spine, Iliac crest 

Insertion: Iliotibial tract

• Flexes thigh at hip 
• Abducts thigh 
• Rotates thigh 
medially 

#21 below

Superior Gluteal nerve
(L5-S1)

24

6

Sartorius muscle

O:Anterior superior, iliac spine 

I: Medial tibia

 

• Flexes thigh at hip 
• Rotates thigh 
laterally 
• Flexes leg at knee 

12 below

Femoral nerve
(L2-L4)

25

7

Rectus femoris muscle

part of the quadriceps

O: Anterior inferior iliac spine

I: Patella and tibial tuberosity via tendon of quadriceps femoris and patellar ligament 

• Extends leg at knee
• Flexes thigh at hip 

1 below

Femoral nerve
(L2-L4)

 

26

8

 Iliotibial tract -fibrous reinforcement of the fascia lata

originates at the anterior portion of the external lip of the iliac crest 

inserts at the lateral condyle of the tibia/Gerdy's tubercle

 

 extend, abduct, and laterally rotate the hip. contributes to lateral knee stabilization

27

Vastus lateralis muscle

part of quadriceps

O:Greater trochanter of the femur, Intertrochanteric line, Linea aspera of femur 

I:Patella and tibial tuberosity via tendon of quadriceps femoris and patellar ligament 

 

• Extends leg at knee
• Stabilizes knee 

 

7

Femoral nerve
(L2-L4)

28

15 

Pectineus muscle

O: Superior ramus of pubis 


I: Linea aspera of femur 


• Adducts thigh 
• Flexes thigh at hip 
• Rotates thigh 
medially 

 

19

Obturator nerve
(L2-L4)

29

16 

Adductor longus muscle

O: Pubis – near pubic symphysis 


I: Linea aspera of femur 


• Adducts thigh 
• Flexes thigh at hip 
• Rotates thigh 
medially

 

17

Obturator nerve
(L2-L4)

30

17 

Gracilis muscle

O: Inferior ramus of pubis, Body of the pubis 

I: Medial surface of tibia 

• Adducts thigh 
• Flexes leg at knee 
• Rotates leg medially 

16

Obturator nerve
(L2-L4)