ART. Humerii Flashcards
1
Q
ART.HUMERI
A
= Shoulder Joint
2
Q
ART.HUMERI
Bones involved
A
- Cavitas Glenoidale of SCAPULAE
2. Caput Humeri of HUMERUS
3
Q
ART.HUMERI
Type of Joint
A
- Simple Spheroidal
- Multiaxial
- Joint capsule with synovial fluid
4
Q
ART.HUMERI
Function
A
Restricted extension and flexion
5
Q
ART.HUMERI
Stabilized by
A
Biceps Tendon:
Tuberculum Supraglenoidale –> Tub. Infraglenoidale
–> Pressing against the cranial (extensor) surface of the joint.
–> Avoid collapsing (flexion)
6
Q
ART.HUMERI
Ligaments
A
Ca:
- Lig. Glenohumerale (lat et med)
- Lig. transversum humerii (retinaculum)
Un:
- Lig.Coracohumerale
Ø Collateral ligaments => Muscle tendons instead
7
Q
ART.HUMERI
Muscles
A
LATERAL SHOULDER MUSCLES
- M.Supraspinatus
- M. Infraspinatus
- M.Deltoidea
- M.Teres Minor
- M.Tricipitis Brachii CAPUT LONGUM
MEDIAL SHOULDER MUSCLES
- M.Teres Major
- M. Subscapularis
- M.Coracobrachialis
- M. Biceps Brachii
- Articular muscle of the shoulder joint (EQ)
8
Q
ART.HUMERI
SHOULDER/HUMERUS IMP structures
A
- Cavitas Glenoidale
- Labium Glenoidale
- Fossa infraspinata
- Fossa supraspinata
- Fossa Subscapularis
- Spina scapulae
- Margo Cranialis
- Margo caudalis
- Proc. Coracoideus
- Angulus caudalis
- Actomion
- Tuberculum Minus
- Tuberculum Majus
- Tubersositas Deltoidea
- Tuberositas teres Major
- Tuberositas teres Minor
- Facies M. Infraspinati
- (Tuberositas Radii+Ulnae)
- (Tuber olecrani)
LAT: Cavitas glenoidale Facies articularis caput humeriii M.Biceps brachii tendon Lig.glenohumeralis lateralis Labium glenoidale MED: Cavitas glenoidale Labium glenoidale Lig. Glenohumerale mediale Facies articularis caput humeri Capsula articularis Retuinaculum transversum Vagina synovialis intertubercularis (for the tendon of biceps m)
