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This quiz consists of 5 multiple choice and 5 short answer questions through The Twenty-Four-Karat Thumb.

Multiple Choice Questions

1. Why was Serge Percelly told he had the eye for tennis?
(a) His forearms were unusually well developed.
(b) His hand-eye coordination was above average.
(c) He could see where the ball was going and meet it there.
(d) His retina had more nerves endings than average.

2. What is the other main reason the author writes this book on the hand?
(a) His work as a orthopedic doctor.
(b) His work as an art teacher.
(c) His work as a painter.
(d) His work as a neurologist.

3. What is the hand's optimal position over the keyboard?
(a) A gentle curve.
(b) With the fingers fairly rigid.
(c) With the fingers spread as far as possible.
(d) With the palm slightly convex.

4. What type of control does a human or ape exert over its arm to execute a move?
(a) Both conscious and unconscious.
(b) Conscious.
(c) Intermittant.
(d) Unconscious.

5. Where does the hand's optimal strength lie when rock climbing?
(a) Heel of hand.
(b) Grip.
(c) Position.
(d) Fingertips.

Short Answer Questions

1. What is the ability to design and manufacture tools considered by Wilson?

2. What does juggling as learned and performed by Percelly provide?

3. According to Charles Sherrington, what are sensors to the target object?

4. How is the arm different from the leg in how it's attached to the body?

5. Who is Sir Charles Bell?

(see the answer key)

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