Human A&PBIO 304 · American River College ← Week 03 pre-work

BIO 304 · Week 03 · Interactive Workbook

Appendicular Skeleton

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Part 1 of 4 · Recall

Fill in the blanks

Type the term that completes each statement, using the word bank. Pull it from memory first.

Word bank

claviclescapulahumerusradiusulnacarpalsmetacarpalsphalangesiliumischiumpubisacetabulumfemurpatellatibiafibulatarsalsmetatarsals

  1. The collarbone is the ; the shoulder blade is the .
  2. The single bone of the arm is the .
  3. In the forearm, the is on the thumb side and the is on the pinky side.
  4. The 8 wrist bones are the ; the 5 palm bones are the .
  5. The finger and toe bones are the .
  6. Each hip bone is three fused bones: the , , and .
  7. The femoral head fits into the socket of the hip.
  8. The single thigh bone, longest in the body, is the .
  9. The kneecap is the .
  10. In the leg, the weight-bearing medial bone is the and the thin lateral bone is the .
  11. The 7 ankle bones are the ; the 5 bones of the foot arch are the .

Define it: high-yield vocabulary

Write a clear definition in your own words for each term.

  1. Pectoral girdle
  2. Pelvic girdle
  3. Clavicle
  4. Scapula
  5. Glenoid cavity
  6. Humerus
  7. Os coxa (hip bone)
  8. Acetabulum
  9. Femur
  10. Patella

Part 2 of 4 · Anatomy lab

Draw and label

Box A. Upper limb (right side, anterior view)

Directions

  1. Draw the shoulder, arm, forearm, and hand.
  2. Pectoral girdle: clavicle (across the top) and scapula (behind).
  3. Arm: humerus. Forearm: radius (lateral/thumb) and ulna (medial/pinky).
  4. Wrist and hand: 8 carpals (cluster), 5 metacarpals, 14 phalanges.
  5. Label every bone group.
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Box B. Lower limb (right side, anterior view)

Directions

  1. Draw the hip, thigh, leg, and foot.
  2. Pelvic girdle: ilium, ischium, pubis fused into the hip (coxal) bone.
  3. Thigh: femur; show the femoral head in the acetabulum and the femoral neck.
  4. Knee: patella. Leg: tibia (medial, weight-bearing) and fibula (lateral).
  5. Ankle and foot: 7 tarsals, 5 metatarsals, 14 phalanges. Label every group.
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Your uploaded drawing for Box B. Lower limb (right side, anterior view)

Structures to label

Label each on your drawing.

  1. Clavicle
  2. Scapula
  3. Humerus
  4. Radius
  5. Ulna
  6. Carpals
  7. Metacarpals
  8. Phalanges (hand)
  9. Ilium
  10. Ischium
  11. Pubis
  12. Acetabulum
  13. Femur
  14. Femoral head
  15. Femoral neck
  16. Patella
  17. Tibia
  18. Fibula
  19. Tarsals
  20. Metatarsals
  21. Phalanges (foot)

Part 3 of 4 · Physiology lab

Reason it through

A. Structure and function

1. The forearm bone on the thumb side.
2. The single bone between the elbow and the shoulder.
3. The medial leg bone that bears most of the body weight.
4. The kneecap, a sesamoid bone in the patellar tendon.
5. The fused bones that form each side of the pelvic girdle.
6. The ankle bone that articulates with the tibia and fibula (talus).

B. Synthesis

1. An elderly patient falls and has a “hip fracture.” The break is usually not in the pelvic bone itself. Where is it most commonly located, and why is that site vulnerable?
2. A child falls onto an outstretched hand and fractures the clavicle. Explain the mechanical reason force from the hand transmits to the clavicle.
3. Compare the pectoral and pelvic girdles: which is more mobile and which is more stable? Justify with two anatomical features and predict which is injured more often.

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