The Pelvis

Question 1

Name the joints of the pelvic girdle

Answer 1

Sacro-iliac
Hip Joint
Lumbosacral
Sacrococcygeal
Pubic Symphysis

Question 2

Name the anterior Ligaments of the pelvic Girdle

Answer 2

Iliolumbar
Anterior Sacroiliac
Iliofemoral
Pubofemoral

Question 3

Name the posterior ligaments of the pelvic girdle

Answer 3

Ischiofemoral
sacrotuberous
iliolumbar
posterior sacro-iliac ligaments

Question 4

Name the iliac region muscles

Answer 4

Psoas Minor
Psoas Major
iliacus
iliopsoas

Question 5

Psoas Minor Attachments, Action and Nervous Supply

Answer 5

Attachment:
- P: Sides of bodies of L1 and T12 vertebrae and intervertebral (IV) disc
-D: Pecten Pubis (Pectineal Line) and iliopubic eminence
Action: Weak trunk flexor and hip stabiliser
NS: Anterior rami of lumbar nerves L1 and L2

Question 6

Psoas Major Attachment, Action and Nervous Supply

Answer 6

Attachment:
-P: Transverse processes of lumbar vertebrae: Sides of bodies of T12-L5 and IV discs inbetween
-D: Lesser trochanter of femur
Action: Hip/Trunk Flexion
NS: Anterior Rami of lumbar nerves L1-L3

Question 7

Iliacus Attachments, Action and Nervous Supply

Answer 7

Attachments:
-P: Superior 2/3 of iliac fossa, ala of sacrum and sacro-iliac ligaments
-D: Lesser trochanter of femur
Action: Hip Flexion and Stabilisation
NS: Femoral Nerve

Question 8

Name the medial thigh Region Muscles

Answer 8

Pectineus
Adductor Longus
Adductor Brevis
Adductor Magnus
Gracilis

Question 9

Pectineus Attachments, Action and Nervous Supply

Answer 9

Attachments:
-P: Superior Ramus of pubis
-D: Pectineal line of femur, inferior to lesser trochanter
Action: Adducts and flexes hip, assists in medial rotation
NS: Femoral Nerve

Question 10

Gracilius Attachments, Action and Nervous Supply

Answer 10

Attachments:
-P: Body and Inferior ramus of pubis
-D: Anterior surface of medial condyle of tibia
Action: Hip adduction, knee flexion and medial rotation
NS: Obturator Nerve

Question 11

Adductor Longus Attachments, Action and Nervous Supply

Answer 11

Attachments:
-P: Lateral aspect of body of pubis inferior to pubic crest
-D: Middle 1/3 of linea asper of femur
Action: Hip Adduction
NS: Obturator nerve

Question 12

Adductor Brevis Attachments, Action and Nervous Supply

Answer 12

Attachments:
-P: Body and inferior ramus of pubis
-D: Pectineal Line and proximal part of linea aspera of femur
Action: Hip Adduction
NS: Obturator Nerve

Question 13

Adductor Magnus Attachments, Action and Nervous Supply

Answer 13

Attachments:
-P Adductor: Inferior ramus of pubis and ramus of ischium
-P Hamstring: Ischial Tuberosity
-D Adductor: Gluteal Tuberosity, Linea aspera, medial supracondylar line
-D Hamstring: Adductor tubercle of femur
Action: Hip adduction and extension
NS: Obturator Nerve

Question 14

Name the muscles of the superficial Gluteal region

Answer 14

Tensor Fasciae Latae (TFL)
Gluteus Maximus
Gluteus Medius
Gluteus Minimus

Question 15

Tensor Fasciae Latae Attachments, Action and Nervous Supply

Answer 15

Attachments:
-P: Anterior superior iliac spine (ASIS) and anterior part of iliac crest
-D: Iliotibial band which attaches to the anterolateral tubercle of the tibia
Action: Hip flexion, abduction and adduction
NS: Superior gluteal nerve

Question 16

Gluteus Maximus Attachments, Action and Nervous Supply

Answer 16

Attachments:
-P: ilium posterior to posterior gluteal line, dorsal sacrum and coccyx, errector spinae aponeurosis and sacrotuberous ligament
-D: Iliotibial band and gluteal tuberosity
Action: Hip extension and lateral rotation
NS: Inferior gluteal nerve

Question 17

Iliotibial Band

Answer 17

Attaches at the anterolateral tubercle of the tibia and to the femur via the lateral intermuscular septum

Question 18

Gluteus Medius Attachments, Action and Nerve Supply

Answer 18

Attachments:
-P: External surface of ilium between posterior and anterior gluteal lines
-D: Lateral surface of greater trochanter of femur
Action: Hip extension, abduction, rotation, keeps ipsilateral pelvis level when standing on one leg
NS: Superior gluteal nerve

Question 19

Gluteus Minimus Attachments, Action and Nerve Supply

Answer 19

Attachments:
-P: External surface of ilium between anterior and superior gluteal lines
-D: Anterior surface of greater trochanter of femur
Action: Hip abduction and medial rotation
NS: Superior gluteal nerve

Question 20

Deep Gluteal Muscles

Answer 20

Piriformis
Obturator Internus
Superior Gemellus
Inferior Gemellus
Quadratus Femorus
Obturator Externus

Question 21

Piriformis

Answer 21

Attachment
-P: Anterior Surface of sacrum
-D: Superior border of greater trochanter of femur
Action: Hip Lateral rotation
NS: Branches of anterior rami of S1, S2

Question 22

Superior Gemellus

Answer 22

Attachment
-P: Ischial Spine
-D: Trochanteric fossa or femur
Action: Hip Lateral rotation
NS: Nerve to obturator internus

Question 23

Quadratus Femorus

Answer 23

Attachment:
-P: Lateral border of ischial tuberosity
-D: Quadrate Tubercle
Action: Hip Lateral Rotation
NS: Nerve to quadratus femorus

Question 24

Obturator Internus

Answer 24

Attachment:
-P: Internal surface of obturator membrane and surrounding bones
-D: Trochanteric fossa of femur
Action: Lateral hip rotation
NS: Nerve to obturator internus

Question 25

Inferior Gemellus

Answer 25

Attachment:
-P: Ischial Tuberosity
-D: Trochanteric fossa of femur
Action: Hip Lateral rotation
NS: Nerve to quadratus femoris

Question 26

Obturator Externus

Answer 26

Attachment:
-P: External margin of obturator foramen and membrane
-D: Trochanteric fossa of femur
Action: Hip lateral rotation and stabilise hip
NS: Obturator nerve