The calcaneus is which bone?

Prepare for the California Self‑Insurance Plans (SIP) Exam with our interactive quiz. Benefit from multiple-choice questions, detailed explanations, and essential tips to enhance your knowledge and succeed in your exam!

Multiple Choice

The calcaneus is which bone?

Explanation:
The calcaneus is the heel bone, the largest bone in the foot’s hindfoot (a tarsal). It sits under the talus and bears much of the body's weight, acting as a lever for the Achilles tendon via its tuberosity. It also forms joints with the talus above and the cuboid bone in front, helping to shape the heel and distribute forces during walking. The other options describe concepts rather than a bone: “calcium in a joint” isn’t a bone name, arthritis of the hand is a disease, and a forearm bone would be the radius or ulna.

The calcaneus is the heel bone, the largest bone in the foot’s hindfoot (a tarsal). It sits under the talus and bears much of the body's weight, acting as a lever for the Achilles tendon via its tuberosity. It also forms joints with the talus above and the cuboid bone in front, helping to shape the heel and distribute forces during walking. The other options describe concepts rather than a bone: “calcium in a joint” isn’t a bone name, arthritis of the hand is a disease, and a forearm bone would be the radius or ulna.

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