Bones Scapula
Clavicle a. Move as a unit
b. Often fractured because... 1. Shape
2. Held in place by ligaments
3. Little protection Fractured clavicle a. What happens? Skeletal Structures: Anterior a. Coracoid process
b. Acromion process
c. Subscapular fossa
d. Glenoid fossa or cavity Skeletal Structures: Posterior a. Spine
b. Supraspinous fossa
c. Infraspinous fossa
d. Medial border
e. Lateral border
f. Inferior angle
g. Superior angle
h. Acromion process Joints a. Sternoclavicular (SC) 1. Type
2. Movements
3. Ligamentous Support Anterior SC ligament
Posterior SC ligament
Costoclavicular
Interclavicular
b. Acromioclavicular (AC) 1. Type
2. Movement
3. Ligamentous Support Superior acromioclavicular
Inferior acromioclavicular
Coracoacromial
Coracoclavicular
4. Injury
c. Scapulothoracic 1. Type
2. Movement Movements
Protraction (Abduction)
Retraction (Adduction)
Upward rotation
Downward rotation
Depression
Elevation
Shoulder Girdle and Shoulder Joint a. Working relationship
b. Shoulder girdle muscles functions
c. Synergy with glenohumeral joint
d. Pairing of Joint Movements
e. Primary movers of shoulder girdle 1. Trapezius – upper, middle, & lower fibers
2. Rhomboids – major & minor
3. Levator scapula
4. Serratus anterior
5. Pectoralis minor
f. Subclavius