WEEK 2 - VC MUSCLES (ORIGIN & INSERTION)

Question 1

Erector Spinae Group: Iliocostalis (Origin & Insertion)

Answer 1

Origin: Posterior sacrum, iliac crest.
Insertion: Posterior ribs.

Question 2

Erector Spinae Group: Longissimus (Origin & Insertion)

Answer 2

Origin: Posterior sacrum, Iliac Crest, Transverse process of thoracic and cervical spinous process.
Insertion: Thoracic and cervical transverse process, mastoid process.

Question 3

Transversospinalis Group: Multifidus Lumborum (Origin & Insertion)

Answer 3

Origin: Posterior sacrum, lumbar transverse process.
Insertion: Lumbar spinous process.

Question 4

Transversospinalis Group: Semispinalis Capitis (Origin & Insertion)

Answer 4

Origin: Transverse process of cervical vertebra.
Insertion: Posterior Skull.

Question 5

Psoas Major (Origin & Insertion)

Answer 5

Origin: Lateral surfaces of bodies and transverse process of lumbar vertebra.
Insertion: Lesser trochanter of femur.

Question 6

Rectus Abdominis (Origin & Insertion)

Answer 6

Origin: Pubic Symphysis.
Insertion: Xiphoid process and 5th and 7th costal cartilage.

Question 7

External Oblique (Origin & Insertion)

Answer 7

Origin: Lower ribs (posterolaterally)
Insertion: Lower ribs (anterolaterally)

Question 8

Internal Oblique (Origin & Insertion)

Answer 8

Origin: Iliac Crest.
Insertion: Lower ribs and linea alba.

Question 9

Transversus Abdominis (Origin & Insertion)

Answer 9

Origin: Thoracolumbar fascia.
Insertion: Linea alba and pubic crest.

Question 10

Sternocleidomastoid (Origin & Insertion)

Answer 10

Origin: Manubrium and medial clavicle.
Insertion: Mastoid Process.

Question 11

Splenius Capitis (Origin & Insertion)

Answer 11

Origin: Lower half of ligamentum nuchae, upper thoracic spinous process.
Insertion: Mastoid process.

Question 12

Longus Capitis (Origin & Insertion)

Answer 12

Origin: Transverse process of lower cervical vertebrae.
Insertion: Basilar part of occipital bone.

Question 13

Scalenes Group (Origin & Insertion)

Answer 13

Origin: Transverse process of cervical vertebrae.
Insertion: 1st & 2nd ribs.