PHYSIO | Appendicular Skeleton | The Pectoral Girdle

Name: ____________________________________________ Date: _________________ Period: ________
PHYSIO | Appendicular Skeleton | The Pectoral Girdle
Directions: Identify, outline, & label the various bones of the shoulder on the back page.
Anterior & Posterior View of the Pectoral Girdle (Figure 6.19) | Page 142
Directions: Answer the following questions and following unlabeled figure using pages 141‐142 in your textbook.
1. What do the pectoral girdles help to attach? __________________________________________________
2. Which two bones make up each of the pectoral girdles? _________________________________________
3. The two bones of each pectoral girdle articulate with which bones?
_______________________________________________________________________________________
_______________________________________________________________________________________
4. Which bone do the pectoral girdles not articulate with? _________________________________________
5. The collar bone or _______________________ is positioned horizontally above the ___________________

6. The shoulder blade or _______________________________ is a large, flat, triangular bone situated in the
_______________________ part of the thorax.
7. The shoulder blade or _______________________ has a sharp ridge called the ______________ that runs
diagonally across the posterior surface of the bone’s triangular body.
8. What is considered the high point of the shoulder blade? ________________________________________
a. What bone articulates with this ‘high point’? ____________________________________________
9. The shoulder blade or _______________________ contains a depression called ______________________
a. Why is this depression important?
_________________________________________________________________________________
10. What is the projection called that allows for muscle attachment? __________________________________
Anterior & Posterior View of the Pectoral Girdle (Figure 6.19) | Page 142