Muscles- Lower limbs

Question 1

Iliopsoas- name 2 related muscles

O.I.A.

Answer 1

Iliacus
	O: iliac fossa 
Psoas major 
	O: lumbar vertebrae and T12
I: lesser trochanter of femur
	A: thigh flexion

Question 2

Pectineus

Answer 2

*originates on pubis and runs inferior to psoas major

Question 3

Adductor longus

Answer 3

*originates on pubis near pubic symphysis and runs inferior to pectineus

Question 4

Gracilis

Answer 4

*originates on inferior ramus and body of pubis and adjacent ischial ramus
runs inferior to adductor longus (and Magnus)

Question 5

Sartorius

O.I.

Answer 5

O: anterior superior iliac spine

I: medial aspect of proximal tibia

Question 6

Tensor fasciae latae

O.I.

Answer 6

O: anterior aspect of iliac crest and anterior superior iliac spine
I: iliotibial tract

Question 7

Iliotibial tract/band

Answer 7

(structure; not a muscle)

thickened lateral portion of the fascia lata

Question 8

Quadriceps Femoris Group
A:
Name 4

Answer 8

A:Knee extension
Rectus femoris
Vastus lateralis
Vastus medialis
Vastus intermedius

Question 9

Rectus femoris

O.I.

Answer 9

O: anterior inferior iliac spine

I: patella and tibial tuberosity via patellar ligament

Question 10

Vastus lateralis

O.I.

Answer 10

O: greater trochanter of femur

I: patella and tibial tuberosity via patellar ligament

Question 11

Vastus medialis

O.I.

Answer 11

O: linea aspera of femur

I: patella and tibial tuberosity via patellar ligament

Question 12

Vastus intermedius

Question 13

Gluteus medius

O.I.A.

Answer 13

O: Ilium
I: greater trochanter of femur
A: abducts the thigh (hip)

Question 14

Gluteus maximus

OI.A.

Answer 14

O: Ilium, sacrum and coccyx
I: gluteal tuberosity of femur
A: extends the thigh (hip)

Question 15

Adductor magnus

Question 16

Hamstring Group
Name 3
O.A.

Answer 16

O: ischial tuberosity
               A: flexes the knee (leg)					
Biceps femoris
Semitendinosus	
Semimembranosus

Question 17

Biceps femoris

I:

Answer 17

I: lateral condyle of tibia

Question 18

Semitendinosus

I:

Answer 18

I: medial aspect of tibia

Question 19

Semimembranosus

I:

Answer 19

I: medial condyle of tibia

Question 20

Gastrocnemius

I.A.O.O.

Answer 20

I: calcaneus via calcaneal tendon
	A: plantar flexion							
lateral head (O: lateral condyle of femur)	
medial head (O: medial condyle of femur)

Question 21

Soleus

Question 22

Fibularis (or peroneus) longus

Answer 22

lateral

eversion

Question 23

Extensor digitorum longus

Answer 23

toe extension

lateral/anterior

Question 24

Tibialis anterior

O.I.A.

Answer 24

O: lateral condyle and tibial shaft
I: medial cuneiform and first metatarsal bone
A: dorsiflexion