PBA Midterm

Question 1

Iliocostalis Lumborum
O + I

Answer 1

O: Sacrum and SP’s of T11/T12, Iliac crest and supraspinous ligament.
I: Angle of ribs 7 -12

Question 2

Iliocostalis Lumorum
N + A

Answer 2

N: Sacral Plexus
A: Bilateral Extension, eccentric stabilization during trunk flexion. Unilateral: Flexion of spine.

Question 3

Anterior Scalene
O + I

Answer 3

Anterior tubercles on TVPs of C3-C7
I: Scalene tubercle and cranial crest of 1st rib.

Question 4

Anterior Scalene
A + N

Answer 4

N: Ventral Rami of cervical Spinal nerve
A: Elevation of 1st rib; contralateral rotation

Question 5

Middle Scalene
O + I

Answer 5

O: Posterior tubercles on TVP’s of C2 - C7
I: 1st rib between tubercle and subclavian groove

Question 6

Middle Scalene
A + N

Answer 6

A: Lateral flexion of neck, elevation of 1st rib
N: Ventral Rami of cervical spine

Question 7

Posterior Scalene
O + I

Answer 7

O: Posterior tubercles of TVP’s C7- C5
I: Outer surface of second rib.

Question 8

Posterior Scalene
A + N

Answer 8

A: Lateral flexion of neck and elevation of 2nd rib.
N: Ventral Rami of Cervical spinal nerve.

Question 9

Gluteus Maximus
O + I

Answer 9

O: Ilium and medial portion of iliac crest. Lower part of sacrum
I: Iliotibial tract of the tensor fascia lata and gluteal tuberosity of femur.

Question 10

Gluteus Maximus
A + N

Answer 10

N: Inferior Gluteal nerve
A: Extends and laterally rotates the hip joint. Helps to stabilize knee joint in extension. Assists in AB/ADduction of hip.

Question 11

Gluteus Medius
O + I

Answer 11

O: external surface of ilium between iliac crest and posterior gluteal line dorsally and the anterior gluteal line.
I: oblique ridge on lateral surface of greater trochanter of femur.

Question 12

Gluteus Medius
A + N

Answer 12

A: abduction of hip joint and medial rotation. May assist in flexion of the hip joint.
N: Superior Gluteal nerve.

Question 13

Gluteus Minimus
O + I

Answer 13

O: Ilium between anterior and inferior gluteal lines. Margin of greater sciatic notch.
I: Anterior border of greater trochanter and hip joint capsule.

Question 14

Gluteus Minimus
A + N

Answer 14

A: Abducts and medially rotates
N: Superior Gluteal Nerve

Question 15

Iliacus
O + I

Answer 15

O: superior 2/3 of iliac fossa, internal lip of the ilia crest, ala of sacrum.
I: Tendon of Psoas major and just distal to the lesser trochanter.

Question 16

Iliacus
A + N

Answer 16

A: Flexion and lateral rotation of hip joint.
N: Femoral Nerve

Question 17

Iliocostalis Cervicis
O + I

Answer 17

O: Angle of Ribs 3-6
I:TVP’s of C4 - C6

Question 18

Iliocostalis
A + N

Answer 18

A: Bilateral- extension of vertebral column, Unilateral - flexion of vertebral column.
N: Spinal Nerve.

Question 19

Iliocostalis Lumborum
O + I

Answer 19

O: Sacrum, SP’s of T11/T12, Iliac crest, and supraspinous ligament.
I: Angle of Ribs 7-12

Question 20

Iliocostalis Lumborum
A + N

Answer 20

A: Bilateral - extension, eccentric stabalization during trunk flexion. Unilateral - Flexion of spine.
N: Sacral Plexus.

Question 21

Iliocostalis Thoracis
O + I

Answer 21

O: Angle of ribs 7 - 12
I: Angle of ribs 1-6 and TVP’s of C7

Question 22

Iliocostalis Thoracis
A + N

Answer 22

A: Bilateral - extension of thoracic spine, Unilateral - Flexion of spine.
N: Spinal Nerve

Question 23

Inferior Gemellus
O + I

Answer 23

O: Proximal part of tuberosity of the ischium
I: Medial surface of greater trochanter.

Question 24

Inferior Gemellus
A + N

Answer 24

A: lateral rotation of hip, abduction of thigh when hip is flexed.
N: Sacral Plexus.

Question 25

Latissimus Dorsi
O + I

Answer 25

O: SP’s of last 6 Thoracic spine, Thoracolumbar fascia, posterior 1/3 of external lip of iliac crest and a bit of inferior angle of scapula.
I: Intertubercular groove of humerus.

Question 26

Lattissimus Dorsi
A + N

Answer 26

A: Unilateral - flexion of trunk, assists in tilting the pelvis. Adduction, medial rotation, extend of GH joint.
Bilateral hyperextending of spine and flexion of spine.
N: Thoracodorsal Nerve

Question 27

Longissimus Capitis
O + I

Answer 27

O: TVP’s of T1 - T4 and SP’s of C5 - C7
I: Mastoid Process