MMB[001] The Shoulder Flashcards
Mention the Shoulder girdle joints
Sternoclavicular & Acromioclavicular
What’s the lesion ?
Surgical neck fracture
Mention two functions of clavicle
- Assists shoulder movement
-Transmits force from upper limb to thorax
Mention type of Sternoclavicular joint
Synovial saddle.
Describe the Sternoclavicular joint
Articulation between manubrium of sternum, clavicle & 1st costal cartilage.
…(ligament) is the main stabilizing factor of the shoulder girdle
The Costo-clavicular ligament
Type of Acromioclavicular joint ?
Synovial plane.
Describe the Acromioclavicular joint
Articulation between acromion of scapula & clavicle.
Role of back muscles in relation to upper limb ?
attach upper limb to vertebral column
Mention the muscles
Mention the first layer of back muscles
- Trapezius.
- Latissimus dorsi.
Mention the second layer of back muscles
- Levator scapulae.
- Rhomboidus minor.
- Rhomboidus major.
Describe the action of each the upper , and lower fibers of the trapezius
Upper fibers: elevate the scapula.
Lower fibers: depress the scapula
Describe the action of middle part of trapezius.
retract the scapula.
What happens when the trapezius is paralized
a drop shoulder with rotation of the angle of the scapula towards the midline,,
and restricted abduction of the arm
Mention the muscle responsible for scratching the back
latissimus dors
Describe the movement of the latissimus dorsi in this figure
• Adduction
• Extension
• Medial rotation
Muscle responsible for this movement ?
latissimus dorsi : Climbing or elevation of the trunk.
mention the muscles
- Levator scapulae.
- Rhomboidus minor.
- Rhomboidus major.
mention the muscles
- Pectoralis Major muscle
Deep to pectoralis major are:
- Pectoralis Minor
- Subclavius muscle
- Clavipectoral fascia (between 2 & 3)
… and …. (Muscles) draws trunk upward as in climbing & swimming.
pectoralis major
and
latissimus dorsi
The Serratus Anterior arises from the … & inserted into …
Upper 8 ribs ,, scapula
The Serratus Anterior is supplied by the….(nerve). And it’s root value is…
-Long thoracic nerve
- roots C5.C6 C7
…. (Intervention) Is a common cause of long thoracic nerve injury.
operation for carcinoma of the breast
…. Is a condition caused by the impairment of the Long-Thoracic nerve.
Winged Scapula.
Identify the condition , mention the muscle and nerve affected.
Winged Scapula :
- caused by serratus anterior ;
- due to Long-Thoracic nerve injury
… is a muscle seen from front of scapula
Subscapularis
Mention the muscle
Teres Minor
The muscle ?
Teres Major
