Which mnemonic helps remember all eight bones in the arm?

The mnemonic that helps remember all eight bones in the arm is one that specifically connects to the anatomical names of those bones, which are the carpal bones in the wrist. The phrase "Cool Students Have Unique Rules Creating Manicured Phalanges" captures the first letters of the carpal bones: Scaphoid, Lunate, Triquetrum, Pisiform, Trapezium, Trapezoid, Capitate, and Hamate. Each word in the mnemonic corresponds to a bone, making it an effective memory aid for students studying anatomy.

In contrast, the other options do not relate to the bones of the arm. For instance, "Some Lovers Try Positions That They Can't Handle" is a popular mnemonic for the carpal bones, but it does not match the phrase given. "Every Good Boy Does Fine" is typically associated with the lines of the treble clef in music. "Pirates Love Onions" is a mnemonic for the order of the planets in the solar system. Therefore, the second choice is the most relevant and helpful for recalling the names of the carpal bones.