Week 6- Shoulder Joint (GH) Flashcards
How many degrees of mvement in the shoulder joint?
3
-Sagittal
-Frontal
-Transverse
Movements of Shoulder Joint
-Flexion/Extension/ hyperextension
-Abduction/Adduction/ circumduction
-Lateral/medial rotation
-Horizonal abduction/adduction
-scaption
Humerus landmarks
-Head
-Greater tubercle
-Lesser Tubercle
-Deltoid tuberosity
-Bicipital groove
Joint capsule is made of:
- Fibrous membrane
- Synovial membrane
Where does the joint capsule attach?
-rim of glenoid fossa
-neck of humerus
Function of rotator cuff
-rotate the shoulder against genoid fossa during motion
-stabilize head of humerus
Anterior Deltoid- OIA
O: Lateral 3rd of clavicle
I: deltoid tuberosity
A: -Abduction
-Flexion
-Medial Rotation
-Horizonal adduction
Middle Deltoid- OIA
O: Acromion process
I: Deltoid tuberosity
A: abduction
Posterior Deltoid- OIA
O: Spine of scapula
I: Deltoid tuberosity
A: Abduction
-Extension
-Hyperextension
-Lateral rotation
Pectoralis Major- OIA
O: Medial 3rd of clavicle
-sternum
-costal cartilage (rib 1-6)
I: Bicipital groove
A: Adduction
-Medial Rotation
-Horizonal adduction
1st 60 degrees of flexion/extension
Latissimus dorsi- OIA
O: -SPs of T7-L5
-Posterior sacrum
-iliac crest
-low 3 ribs
I: Bicipital groove
A: Should extension
-Adduction
-Medial Rotation
-Hyperextension
Teres major- OIA
O: inferior lateral border of scapula
I: below lesser tuberosity (under lats)
A: HELPS extension, adduction, medial rotation
Rotator Cuff Muscles
- Supraspinatus
- Infraspinatus
- Teres minor
- Subscapularis
Supraspinatus- OIA
O: Supraspinous fossa
I: Greater tubercle
A: Abduction
-stabilize shoulder
Infraspinatus- OIA
O: infraspinous fossa
I: greater tubercle
A: Lateral rotation
-horizonal abduction
