Lumbar/ Pelvic muscle attachments

Question 1

Origin/ Insertion for rec fem

Answer 1

O: AIIS
I: Tibial tuberosity via patella tendon

Question 2

Origin/ Insertion for Hamstrings

Answer 2

O: Ischial tuberosity
I: Semimembrinosis - medial epicondyle
Semitendinosis - long distal tendon (medial epicondyle)
Bicep femoris - fibula head

Question 3

Origin/ Insertion for Iliacus

Answer 3

O: Iliac fossa
I: Lesser trochanter

Question 4

Origin/ Insertion for Psoas major

Answer 4

O: T12-L5
I: lesser trochanter

Question 5

Origin/ Insertion for Gluteus Maximus

Answer 5

O: outer surface of ilium, posterior sacrum and coccyx
I: Iliotibial tract of fascia lata, gluteal tuberosity

Question 6

Origin/ Insertion for Gluteus Medius

Answer 6

O: outer surface of ilium inferior to iliac crest
I: Lateral surface of greater trochanter

Question 7

Origin/ Insertion for Erector Spinae

Answer 7

O: Sacrum, Iliac crest, Spinous process T11-L5
I: Ribs, transverse process, mastoid process

Question 8

Origin/ Insertion for Multifidus

Answer 8

O: superior articular processes of C4-C7
I: Spinous processes of C2-C5

Question 9

Origin/ Insertion for Rectus abdominus

Answer 9

O: Inguinal ligament, costal cartilages 7-12, iliac crest and thoracolumbar fascia
I: conjoint tendon, xiphoid process, linea alba and pubic crest

Question 10

Origin/ Insertion for Quadratus Lumborum

Answer 10

O: Iliac crest
I: 12 ribs, L1-L4

Question 11

Origin/ Insertion for Internal Obliques

Answer 11

O: inguinal ligament, iliac crest and lumbodorsal fascia
I: 10-12 ribs

Question 12

Origin/ Insertion for External Obliques

Answer 12

O: ribs 5-12
I: iliac crest and pubic tubercle

Question 13

Origin/ Insertion for transverse abdominus

Answer 13

O: Inguinal ligament, iliac crest, thoracolumbar fascia, lower 6 ribs
I: Conjoint tendon attaches to pubic crest