Figure 8.17; page 182
Chart 8.6; page 183
Function?
?Trapezius
Rotates the scapula and raises
the arm; raises the scapula;...
Trapezius (another look)
Note how the
muscle is
connected to
the scapula &
to the vertebral
column
Figure 8.17; page 182
Chart 8.6; page 183
Function?
?Rhomboideus major
Raises and adducts the scapula
Rhomboideus major
(another look)
Note how the
muscle is
connected to
the scapula
Figure 8.17; page 182
Chart 8.6; page 183
Function?
?Levator scapulae
Elevates the scapula
Levator scapulae
(another look)
Note how the
muscle is
connected to
the scapula
Figure 8.17; page 182
Chart 8.7; page 184
Function?
?Teres major
Extends the humerus; adducts
and rotates the arm medially
Teres major (another look)
Note how the muscle wraps around
from the posterior to the anterior
side of the humerus
Figure 8.17; page 182
Chart 8.7; page 184
Function?
?Latissimus dorsi
Extends and adducts the arms
and rotates the humerus...
Latissimus dorsi
(another look)
Note how the muscle wraps around
from the posterior to the anterior
side of the humerus
Figure 8.17; page 182
Chart 8.7; page 184
Function?
?Supraspinatus
Abducts the upper arm
Supraspinatus
(another look)
Note how the muscle wraps over the
top of the shoulder joint and to the
lateral side of the h...
Figure 8.17; page 182
Chart 8.7; page 184
Function?
?Deltoid
Abducts the upper arm,
extends the humerus, or flexes
the hum...
Deltoid (another look)
Note how the muscle wraps over the
top of the shoulder joint and to the
anterior side of the humerus
Figure 8.17; page 182
Chart 8.7; page 184
Function?
?Infraspinatus
Rotates the arm laterally
Infraspinatus
(another look)
Note how the muscle wraps over the
posterior side of the shoulder joint
and attaches to the p...
Figure 8.17; page 182
Chart 8.7; page 184
Function?
?Teres minor
Rotates the arm laterally
Teres minor
(another look)
Note how the muscle wraps over the
posterior side of the shoulder joint
and attaches to the pos...
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3. posterior shoulder back(1)

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3. posterior shoulder back(1)

  1. 1. Figure 8.17; page 182 Chart 8.6; page 183 Function? ?Trapezius Rotates the scapula and raises the arm; raises the scapula; pulls the scapula medially; pulls the scapula and shoulder downward **Repeat Muscle**
  2. 2. Trapezius (another look) Note how the muscle is connected to the scapula & to the vertebral column
  3. 3. Figure 8.17; page 182 Chart 8.6; page 183 Function? ?Rhomboideus major Raises and adducts the scapula
  4. 4. Rhomboideus major (another look) Note how the muscle is connected to the scapula
  5. 5. Figure 8.17; page 182 Chart 8.6; page 183 Function? ?Levator scapulae Elevates the scapula
  6. 6. Levator scapulae (another look) Note how the muscle is connected to the scapula
  7. 7. Figure 8.17; page 182 Chart 8.7; page 184 Function? ?Teres major Extends the humerus; adducts and rotates the arm medially
  8. 8. Teres major (another look) Note how the muscle wraps around from the posterior to the anterior side of the humerus
  9. 9. Figure 8.17; page 182 Chart 8.7; page 184 Function? ?Latissimus dorsi Extends and adducts the arms and rotates the humerus inwardly; pulls the shoulder downward and back
  10. 10. Latissimus dorsi (another look) Note how the muscle wraps around from the posterior to the anterior side of the humerus
  11. 11. Figure 8.17; page 182 Chart 8.7; page 184 Function? ?Supraspinatus Abducts the upper arm
  12. 12. Supraspinatus (another look) Note how the muscle wraps over the top of the shoulder joint and to the lateral side of the humerus
  13. 13. Figure 8.17; page 182 Chart 8.7; page 184 Function? ?Deltoid Abducts the upper arm, extends the humerus, or flexes the humerus **Repeat Muscle**
  14. 14. Deltoid (another look) Note how the muscle wraps over the top of the shoulder joint and to the anterior side of the humerus
  15. 15. Figure 8.17; page 182 Chart 8.7; page 184 Function? ?Infraspinatus Rotates the arm laterally
  16. 16. Infraspinatus (another look) Note how the muscle wraps over the posterior side of the shoulder joint and attaches to the posterior side of the humerus
  17. 17. Figure 8.17; page 182 Chart 8.7; page 184 Function? ?Teres minor Rotates the arm laterally
  18. 18. Teres minor (another look) Note how the muscle wraps over the posterior side of the shoulder joint and attaches to the posterior side of the humerus just under the infraspinatus

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