Thoracic Spine

Question 1

How many:- THORACIC SPINE
Vertebrae
Ribs - True / False / Floating

Answer 1

Vertebrae - 12
Ribs - 12
True - 7
False - 5
Floating - 2 (rib 11&12)

Question 2

What is the function of the THORACIC CAGE? (THORACIC SPINE)

Answer 2

Protection of vital organs
Provides muscle attachments
Assists respiration

Question 3

What are the ATYPICAL THORACIC VERTEBRAE? Why are they ATYPICAL? (THORACIC SPINE)

Answer 3

T1 - articulates with only a single facet of its own rib
T10/11 - lack inferior demi-facets on their vertebral bodies
T11/12 - lack transverse costal facets articulating only with the heads of their own ribs

Question 4

What are the joints of the Thoracic CAGE? (THORACIC SPINE)

Answer 4

BETWEEN THORACIC VERTEBRAE:
Intervertebral
Zygapophyseal

BETWEEN CARTILAGE & RIB/STERNUM:
Costochondral
Interchondral
Sternochondral

BETWEEN RIBS & SPINE:
Costovertebral
Costotransverse
Lateral costotransverse ligament

JOINTS OF THE STERNUM:
Sternoclavicular
Manubristernal
Xiphisternal

Question 5

What type of joint is the INTERVETERBRAL JOINT? (THORACIC SPINE)

Answer 5

Symphysis Secondary Cartilage Joint

Question 6

Where are the INTERVERTEBRAL JOINTS located ? (THORACIC SPINE)

Answer 6

INTERVERTÉBRAL JOINTS are adjacent to the vertebral bodies with intervertebral discs between

Question 7

What type of joint is the ZYGAPOPHYSEAL (facet) JOINT? (THORACIC SPINE)

Answer 7

Synovial plane joint

Question 8

What are the articular surfaces of the ZYGAPOPHYSEAL JOINT? (THORACIC SPINE)

Answer 8

Inferior articular process of superior vertebrae & superior articular process of the inferior vertebrae (below)

Question 9

List the joints of the sternum and describe their classification. (THORACIC SPINE)

Answer 9

Sternoclavicular Joint - Saddle Joint
Manubriosternal Joint - Cartilaginous Symphysis Joint
Xiphisternal Joint - Synchondrosis

Question 10

Name the PRIME MOVER and list the muscles involved in the movement: THORACIC SPINE (TRUNK FLEXION)

Answer 10

PRIME MOVER: Rectus Abdominis
External Obliques & Internal Obliques

Question 11

Name the PRIME MOVER and list the muscles involved in the movement: THORACIC SPINE (TRUNK EXTENSION)

Answer 11

PRIME MOVER: Erector Spinae

Question 12

Name the PRIME MOVER and list the muscles involved in the movement: THORACIC SPINE (IPSILATERAL TRUNK SIDE FLEXION)

Answer 12

PRIME MOVER: External Obliques
Internal Obliques
Rectus Abdominis
Quadratus Lumborum
Erector Spinae

Question 13

Name the PRIME MOVER and list the muscles involved in the movement: THORACIC SPINE (CONTRALATERAL TRUNK ROTATION)

Answer 13

PRIME MOVER: External Obliques
Rectus Abdominis

Question 14

Name the PRIME MOVER and list the muscles involved in the movement: THORACIC SPINE (POSTERIOR PELVIC TILT)

Answer 14

PRIME MOVER: External Obliques
Internal Obliques
Rectus Abdominis

Question 15

Name the PRIME MOVER and list the muscles involved in the movement: THORACIC SPINE (IPSILATERAL TRUNK ROTATION)

Answer 15

PRIME MOVER: Internal Obliques

Question 16

Name the PRIME MOVER and list the muscles involved in the movement: THORACIC SPINE TRUNK (LUMBAR EXTENSION)

Answer 16

QUADRATUS LUMBORUM

Question 17

What is the FUNCTION of the TRANSVERSE ABDOMINIS ? (THORACIC SPINE)

Answer 17

Stabilises the lumbar spine