The Superficial Back and Shoulder Girdle

Question 1

Acromioclavicular joint Osteokinematic movements.

Answer 1

• Upward Rotation
• Downward Rotation
• Posterior tilt (Flexion)
• Anterior tilt (Extension)
• Protraction
• Retraction

Question 2

Acromioclavicular joint Joint Type

Answer 2

• Diarthrodial -most common and movable type of joint characterized by the presence of a layer of fibrocartilage or hyaline cartilage that lines the opposing bony surfaces
• Ovoid - egg-shaped
• Planar Joint - two bones in which the articular, or free, surfaces of the bones are flat or nearly flat, enabling the bones to slide over each other. (Gliding Joint)

Question 3

Acromioclavicular Joint Innervation

Answer 3

• Axillary
• Suprascapular
• Lateral Pectoral
• MAY INCLUDE: Lateral supraclavicular nerve

Question 4

Acromioclavicular Joint Blood Supply

Answer 4

• Suprascapular Arteries
• Thoracoacromial Arteries

Question 5

Sternoclavicular joint Osteokinematic Movement

Answer 5

• Elevation
• Depression
• Protraction
• Retraction
• Rotation

Question 6

Sternoclavicular joint Joint Type

Answer 6

• Diarthrodial
• Sellar (Saddle)

Question 7

Sternoclavicular Joint Innervation and Blood Supply

Answer 7

Nerve Supply

• Medial supraclavicular
• subclavius

Blood Supply

• Suprascapular arteries
• Thoracoacromial arteries