EXSS 175: The Appendicular Skeleton
(UE) Questions and Correct Answers/
Latest Update / Already Graded
Appendicular skeleton
Ans: -Includes all bones that make up the UP and LE which
includes bones that attach the limbs to the axial skeleton
-Includes bones that attach the limbs to the axial skeleton
Upper Extremity Appendicular Bones
Ans: Scapula (2), Clavicle (2), Humerus (2), Radius (2), Ulna (2),
Carpals (8/side), Metacarpals (5/side), Phalanges (14/side)
-64 Total bones
Pectoral/Shoulder Girdle
Ans: Attaches upper extremity bones to axial skeleton and
consists of the scapula and clavicle
Scapula
Ans: Large, triangular, flat bone on posterior thorax between
2nd and 7th ribs
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Scapula Borders
Ans: Superior, Medial (Vertebral), and lateral (axillary)
Scapula Angles
Ans: Superior at T2 (second rib level) and Inferior at T7
(Seventh rib level)
Scapular Spine
Ans: Sharp ridge widening to flat acromion process at T4 (4th
rib)
-Separates inferior and superior muscles
Scapular Notch
Ans: Supra-scapular nerve and artery supply from top to
bottom of musculatire of the bone
Fossae
Ans: Supraspinous, Infraspinous, Glenoid, and Subscapular
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