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Appendicular Skeleton Lab Worksheet Instructions: Using the information provided in APR under “Structure Information,” match each structure from Checklist for Appendicular Skeleton with its correct description/function/comment etc. from the Structure Information Key. Submit your answers by clicking on the quiz link “Appendicular Skeleton Worksheet” in Moodle. Structure (use Key 1) ____ 1. scapula ____ 2. acromion process ____ 3. coracoid process ____ 4. glenoid cavity ____ 5. lateral border of scapula ____ 6. medial border of scapula ____ 7. clavicle ____ 8. sternal end of clavicle ____ 9. acromial end of clavicle ____ 10. humerus ____ 11. head of humerus ____ 12. lesser tubercle ____ 13. greater tubercle ____ 14. deltoid tuberosity ____ 15. lateral epicondyle of humerus ____ 16. medial epicondyle of humerus ____ 17. olecranon fossa ____ 18. radius ____ 19. head of radius ____ 20. styloid process of radius ____ 21. ulna ____ 22. trochlear notch ____ 23. olecranon ____ 24. styloid process of ulna ____ 25. carpals ____ 26. metacarpals ____ 27. phalanges of fingers Structure Information Key 1 A. Flattened, lateral end of clavicle B. Pointed, distal projection of radius C. Location humerus; provides attachment for subscapularis muscle D. Shallow depression at superior end of lateral border; articulates with head of humerus to form glenohumeral (shoulder) joint E. Medial subcutaneous projection near elbow F. Largest bone of upper limb G. Eight, small, irregular-shaped bones; form the wrist H. Small lateral projection near elbow I. Overlies ribs 2-7; large, triangular, flat bone J. Small bones of fingers K. Location humerus; deep depression (cavity) L. Location ulna; prominent notch; has smooth articular surface M. Also known as collar bone N. Pointed distal projection of ulna O. Flattened, lateral part of scapular spine; articulates with clavicle P. Five small, long bones between carpal (wrist) bones and phalanges (fingers) Q. Disk-shaped, with concave superior surface R. Border of scapula parallel to vertebral column S. Location humerus; prominent lateral and posterior projection T. Prominent protuberance inferior to acromion of scapula; provides attachment for pectoralis minor U. Articulates with glenoid cavity of scapula to form shoulder joint V. Provides articulation for manubrial notch of sternum W. Location forearm (lateral); articulates distally with ulna and carpal bones X. Location forearm (medial); articulates distally with radius and carpal bones Y. Border of scapula inferior to glenoid cavity Z. Considered the “point” of the elbow AA. Location humerus; for attachment of deltoid muscle Structure (use Key 2) ____ 28. hip bone ____ 29. ilium ____ 30. ischium ____ 31. pubis ____ 32. iliac crest ____ 33. acetabulum ____ 34. obturator foramen ____ 35. greater sciatic notch ____ 36. pubic symphysis ____ 37. femur ____ 38. head of femur ____ 39. neck of femur ____ 40. greater trochanter ____ 41. lesser trochanter ____ 42. lateral epicondyle of femur ____ 43. medial epicondyle of femur ____ 44. patella ____ 45. tibia ____ 46. tibial tuberosity ____ 47. medial malleolus ____ 48. fibula ____ 49. lateral malleolus ____ 50. calcaneus ____ 51. talus ____ 52. tarsal bones ____ 53. metatarsals ____ 54. phalanges of toes Structure Information Key 2 A. Provides articulation with head of femur B. Also known as kneecap C. Longest bone in body; length accurately predicts height of individual D. Largest tarsal bone E. Provides attachment for tibial collateral ligament F. Location ilium, ischium; wide, deep indention; converted to a foramen that is a major conduit for structures exiting pelvis to enter perineum and lower limb G. Paired, irregular-shaped bone; formed by fused pubis, ilium, and ischium H. Location tibia (distal); rounded, subcutaneous projection; contributes to ankle joint I. Small bones of toes J. Provides attachment for fibular collateral ligament K. One of three coxal (hip) bones; characteristic features include tuberosity and spine L. Also known as shinbone M. Location foot; seven irregular-shaped bones N. Articulates with acetabulum of hip bone to form hip joint O. Largest of three coxal (hip) bones; has large, wing-like superior extension (ala); the alae form bony wall of greater (false) pelvis P. Location femur; provides attachment for many muscles of gluteal region (exception: gluteus maximus) Q. Five small, long bones between tarsal bones to phalanges R. One of three coxal (hip) bones; midline junction of pubic bones forms pubic symphysis S. Location hip bone; large foramen bordered by pubis and ischium; oval in males, triangular in females T. Irregular-shaped tarsal bone; forms connecting link (ankle joint) between foot and leg U. Location fibula (distal); rounded, subcutaneous projection; contributes to ankle joint V. Long, thin bone; articulates with tibia (proximal) and talus (distal) W. Landmark for intramuscular injections X. Common site of fracture, especially in elderly; poor blood supply leads to slow or inadequate repair of fracture Y. Location tibia; bony elevation on proximal shaft Z. Location femur; pyramidal process on medial shaft AA. Joint formed by two pubic bones and intervening fibrocartilage; in female, fibrocartilage softens in late pregnancy to allow slight separation of pubic bones

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A. Flattened lateral end of clavicle __ 9. acromial end of clavicle
B. Pointed distal projection of radius 20. styloid process of radius
C. Location humerus; provides attachment for subscapularis muscle          12. lesser tubercle
D. Shallow depression at superior end of lateral border; articulates with head of humerus to form glenohumeral (shoulder) joint    4. glenoid cavity
E. Medial subcutaneous projection near elbow   16. medial epicondyle of humerus
F. Largest bone of upper limb 10. Humerus
G. Eight, small, irregular-shaped bones; form the wrist 25. Carpals
H. Small lateral projection near elbow 15. lateral epicondyle of humerus
I. Overlies ribs 2-7; large, triangular, flat bone 1. Scapula
J. Small bones of fingers...

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