Lower Extremity Exam III O,I,N,A

Question 1

Iliacus

Answer 1

O: Iliac Fossa, Sacrum
I: Lesser Trochanter of Femur
A: (3) Flex Femur @ hip Jt.
         Flex vertebral column
         Maintain Posture (integrity of spine)
N: Femoral Nerve

Question 2

Psoas Major

Answer 2

O: Bodies and Transverse Process of lumbars
I: Lesser Trochanter
A: (3) Flex Femur @ Hip Jt.
Flex vertebral Column
Maintain Posture (integrity of spine)
N: Femoral Nerve

Question 3

Psoas Minor

Answer 3

O: Bodies of Lumbar Vertebrae
I: Iliopubic Eminence of Pubis
A: Flexion of Pelvic bone
N: L1 (sometimes L2)

Question 4

Sartorius

Answer 4

O: Anterior Superior Iliac Spine (ASIS)
I: Superior Medial Shaft of Tibia
A: (3) Laterally Rotate & ABduct Femur @hip Jt
Medially rotate Leg at Knee jt
When both ^^ happening then assists in flexion of femur @ hip jt and leg at knee jt
N: Femoral Nerve

Question 5

Rectus Fermoris

Answer 5

O: (2) Anterior Inferior Iliac Spine & Acetabulum of pelvic bone
I: Base of Patella
A: (3) -Extend leg at knee joint
-Flex femur at hip joint
-Tonus of muscle influence strengthening of knee
N: Femoral Nerve

Question 6

Vastus Lateralis

Answer 6

O: (2) Greater Trochanter & Linea Aspera
I: Base of Patella
A: (2) Extend leg at knee joint & Tonus of muscle influence strengthening of knee
N: Femoral Nerve

Question 7

Vastus Medialis

Answer 7

O: Linea Aspera
I: Base of the Patella
A: (2) Extend leg at knee joint & Tonus of muscle influence strength of knee
N: Femoral Nerve

Question 8

Vastus Intermedius

Answer 8

O: (2) Linea Aspera & Antero-lateral aspect of Femur
I: Base of Patella
A: (2) Extend leg at knee joint & Tonus of muscle influence strength of knee
N: Femoral Nerve

Question 9

Gracilis

Answer 9

O:  (2) Ramus of the Ischium & Inferior Ramus of pubis
I: Superior Medial Shaft of the Femur
A: (3) Flex Femur at hip joint
    -Adduct Femur
   -Flex leg at knee joint
N: Obturator Nerve

Question 10

Pectineus

Answer 10

O: Superior Rami of pubis
I: Pectineal line of Femur
A: (2) Adduct Femur
     Flex Femur at hip Jt
N: (2) Obturator Nerve & Femoral Nerve

Question 11

Adductor Longus

Answer 11

O: Superior Ramus of Pubis
I: Linea Aspera of Femur
A: Adduct Femur at hip joint
N: Obturator Nerve

Question 12

Adductor Brevis

Answer 12

O: Inferior Ramus of Pubis
I: (2)  Linea Aspera
         Pectineal Line
A: Adduct Femur at hip Jt
N: Obturator Nerve

Question 13

Adductor Magnus

Answer 13

O: Rami of ischium and Pubis
I: (2) Linea Aspera of Femur
       Adductor Tubercle of Femur
A: (2) Adduct Femur at hip Jt
         Flex Femur at hip jt
N: (2) Obturator Nerve & Sciatic Nerve