❤️❤️💙Thoracic cage💙❤️❤️
contain three part
💙Vertebral column
💙Ribs
💙Sternum
❄️The functions of Thoracic cage
💙Support and protect the visceral organ
💙Respiration
❄️ Thoracic aperture are
💙Thoracic inlet
🩸Narrow in diameter
🩸Upper opening
💙Thoracic outlet
🩸Lower opening
🩸Wide in diameter
❄️Sternum : -
Three part
💙Manubrium
💙Body
💙Xiphoid
1) Manubrium sterni :-
💙Contain jugular notch in upper border
💙Contain clavicular notch in superiolateral part
💙Contain notch for 1ST rib in lateral border
2) Body of Sternum :-
💙Longest part
💙Lies between T5 T9
💙Articulate with Manubrium by sternal angle
3) Xiphoid process
Smallest part
Cartilage in origin
❄️ Thoracic vertebrae :-
💙They are 12 in number
💙Each vertebrae consist of
🩸Body. 🩸Arch
🩸Lamina 🩸spinous process
🩸Transverse process
🩸Articular facets
🧨 Lamina are connected together by legamenta flava
🧨Transverse process are connected together by
Intertransverse ligament
🧨Spinous process are connected together by
Interspinous ligament
Supraspinous ligament
Body of the vertebrae by intervertebral disk
❄️Classification of the Thoracic vertebrea :-
💙Typical vertebrae ( 2nd__8th )
💙Atypical vertebrae( 1st & 9th& 10th & 11th & 12th )
❄️The characteristic of typical vertebrae :-
💙Heart shaped body
💙Narrow Vertebral foramen
💙Transverse process directed posteriolaterly
💙Has an articular facet vertical
💙Long spinous process and directed downward & backward
Characteristic of Atypical vertebrae
❤️T1❤️
💙Small body kidney shape
💙One superior complete facet
💙Small Inferior semifacet
💙Long spine horizontal
💙Transverse process has costal facet
❤️T9❤️
💙 Larg body
💙 Larg superior semi facet
💙 Small Inferior semifacet
❤️T10❤️
💙 Large body
💙 One large superior semicircular facet
💙 Small costal facet
❤️T11❤️
💙Larg body
💙One complete circular facet
💙No costal facet
❤️ T 12 ❤️
💙 Complete circular facet on bodty
💙 Inferior articular facet is directed laterally
❄️ Ribs :-
🩸12 pairs
🩸All are articulate posteriorly with Thoracic vertebrae
❄️Classification of rib according to their relation to Vertebral column
🩸Typical Rib( 3 ___ 9 )
💙The head of each of them Articulate with 2 thorax vertebrae
🩸Non typical Rib ( 1-2- 3 - 10 - 11- 12 )
💙Head of each articulate with vertebrae of the same number except rib 2
❄️General features of the typical rib :-
1) The antrior end
💙Articulate with costal cartilage.
2) The shaft
💙Has a costal groove which contain three structure
Vein
Artery
Nerve
3) The posterior end
💙Head
Has two articular facet articulate with two demifacet of vertebrae above and vertebrae below
💙Neck
Flattened part
Connected to the transverse process
💙Tubercle
Connected to transverse process of vertebrae of same number
❤️❤️💙Atypical Rib💙❤️❤️
❄️ First rib :-
🩸Head
Has one facet
🩸Shaft
Groove for subclavian v
Groove for subclavian A
No costal groove
❄️ 2nd rib :-
Broad Tubercle
Poorly developed costal groove
❄️ The 10th rib :-
Small Tubercle
❄️ The 11th 12th rib :-
💙Each of them has :-
🩸Large head
🩸one articular facet
🩸No neck
🩸No tubercle
🩸No angle
🧨Rib 12 is shorter than 11 and has no Costal groove
❤️❤️💙💙Intercostal muscle💙❤️❤️
They are Three in each space
1) External intercostal muscle
🩸Origin
Lower border of rib above
🩸Insertion
Upper border of rib below
🩸Direction of fiber
Downward and forward
🩸Function
Inspiration
2) Internal intercostal muscles
🩸Origin
Floor of costal groove rib above
🩸Insertion
Upper border of below
🩸Direction of fiber
Downward backward
3) Transverse thoracic muscle
🏴☠Three separate part
A) Innermost intercostal
Origin
upper border of costal groove
Insertion
Upper border of rib below
2) Supcostalis
🩸Origin
inner surface of rib above
🩸Insertion
Inserted into upper border of
the second or the third rib below
3) Sternocostalis muscle
🩸Origin
Lower 1/2 of the sternum
🩸Insertion
Inserted into the inner surface of costal cartilage from( 2nd... 6th)
❄️ All intercostal muscle prevent the inward suction of intercostal space during inspiration
contain three part
💙Vertebral column
💙Ribs
💙Sternum
❄️The functions of Thoracic cage
💙Support and protect the visceral organ
💙Respiration
❄️ Thoracic aperture are
💙Thoracic inlet
🩸Narrow in diameter
🩸Upper opening
💙Thoracic outlet
🩸Lower opening
🩸Wide in diameter
❄️Sternum : -
Three part
💙Manubrium
💙Body
💙Xiphoid
1) Manubrium sterni :-
💙Contain jugular notch in upper border
💙Contain clavicular notch in superiolateral part
💙Contain notch for 1ST rib in lateral border
2) Body of Sternum :-
💙Longest part
💙Lies between T5 T9
💙Articulate with Manubrium by sternal angle
3) Xiphoid process
Smallest part
Cartilage in origin
❄️ Thoracic vertebrae :-
💙They are 12 in number
💙Each vertebrae consist of
🩸Body. 🩸Arch
🩸Lamina 🩸spinous process
🩸Transverse process
🩸Articular facets
🧨 Lamina are connected together by legamenta flava
🧨Transverse process are connected together by
Intertransverse ligament
🧨Spinous process are connected together by
Interspinous ligament
Supraspinous ligament
Body of the vertebrae by intervertebral disk
❄️Classification of the Thoracic vertebrea :-
💙Typical vertebrae ( 2nd__8th )
💙Atypical vertebrae( 1st & 9th& 10th & 11th & 12th )
❄️The characteristic of typical vertebrae :-
💙Heart shaped body
💙Narrow Vertebral foramen
💙Transverse process directed posteriolaterly
💙Has an articular facet vertical
💙Long spinous process and directed downward & backward
Characteristic of Atypical vertebrae
❤️T1❤️
💙Small body kidney shape
💙One superior complete facet
💙Small Inferior semifacet
💙Long spine horizontal
💙Transverse process has costal facet
❤️T9❤️
💙 Larg body
💙 Larg superior semi facet
💙 Small Inferior semifacet
❤️T10❤️
💙 Large body
💙 One large superior semicircular facet
💙 Small costal facet
❤️T11❤️
💙Larg body
💙One complete circular facet
💙No costal facet
❤️ T 12 ❤️
💙 Complete circular facet on bodty
💙 Inferior articular facet is directed laterally
❄️ Ribs :-
🩸12 pairs
🩸All are articulate posteriorly with Thoracic vertebrae
❄️Classification of rib according to their relation to Vertebral column
🩸Typical Rib( 3 ___ 9 )
💙The head of each of them Articulate with 2 thorax vertebrae
🩸Non typical Rib ( 1-2- 3 - 10 - 11- 12 )
💙Head of each articulate with vertebrae of the same number except rib 2
❄️General features of the typical rib :-
1) The antrior end
💙Articulate with costal cartilage.
2) The shaft
💙Has a costal groove which contain three structure
Vein
Artery
Nerve
3) The posterior end
💙Head
Has two articular facet articulate with two demifacet of vertebrae above and vertebrae below
💙Neck
Flattened part
Connected to the transverse process
💙Tubercle
Connected to transverse process of vertebrae of same number
❤️❤️💙Atypical Rib💙❤️❤️
❄️ First rib :-
🩸Head
Has one facet
🩸Shaft
Groove for subclavian v
Groove for subclavian A
No costal groove
❄️ 2nd rib :-
Broad Tubercle
Poorly developed costal groove
❄️ The 10th rib :-
Small Tubercle
❄️ The 11th 12th rib :-
💙Each of them has :-
🩸Large head
🩸one articular facet
🩸No neck
🩸No tubercle
🩸No angle
🧨Rib 12 is shorter than 11 and has no Costal groove
❤️❤️💙💙Intercostal muscle💙❤️❤️
They are Three in each space
1) External intercostal muscle
🩸Origin
Lower border of rib above
🩸Insertion
Upper border of rib below
🩸Direction of fiber
Downward and forward
🩸Function
Inspiration
2) Internal intercostal muscles
🩸Origin
Floor of costal groove rib above
🩸Insertion
Upper border of below
🩸Direction of fiber
Downward backward
3) Transverse thoracic muscle
🏴☠Three separate part
A) Innermost intercostal
Origin
upper border of costal groove
Insertion
Upper border of rib below
2) Supcostalis
🩸Origin
inner surface of rib above
🩸Insertion
Inserted into upper border of
the second or the third rib below
3) Sternocostalis muscle
🩸Origin
Lower 1/2 of the sternum
🩸Insertion
Inserted into the inner surface of costal cartilage from( 2nd... 6th)
❄️ All intercostal muscle prevent the inward suction of intercostal space during inspiration
👍2