Mechanics

Question 1

Physiological Arches:

Dorso-Lumbar Curved Line

Answer 1

D10 - Coccyx

Question 2

Physiological Arches:

Dorsal Curved Line

Answer 2

C7 - 8D

Question 3

Functional Arches:
Central Arch (Double)

Answer 3

D4 - L3
Base support Centre gravity,
of head & neck suspension for pelvis &
LEX

Keystone @ D9

Question 4

Functional Arches:

Lumbar Arch

Answer 4

D10 - L4

L5 = Pivot

Question 5

Functional Arches:

Dorsal Arch

Answer 5

C6 - D8

D9 = Pivot

Question 6

Functional Arches:

Cervical Arch

Answer 6

C1 - 4

C5 = Pivot

Question 7

Structural Arches:

Cervical

Answer 7

C2 - D2

Keystone = C2/3 - most important vertebrae in arch in relation to mechanics and centre of gravity.

Question 8

Structural Arches:

Dorsal

Answer 8

D2 - D12

Keystone = D5/6 - most important vertebrae in arch in relation to mechanics and centre of gravity.

Question 9

Structural Arches:

Lumbar

Answer 9

L5 - Coccyx

Keystone = L/S - most important vertebrae in arch in relation to mechanics and centre of gravity.