Jefferson sells hammers in his hardware store. Maggie buys a hammer from Jefferson. She takes it home and smashes her thumb with it. The hammer likely a claw hammer.
The thumb comes after the index finger as the first digit of the hand. [A] The thumb is the outermost digit when a person is standing in the medical anatomical posture (with the palm pointing forward). Pollex is the medical Latin English word for the thumb, and pollical is the adjective. (Consider hallux for the big toe).
There are countless definitions of opposition among anatomists and other experts who specialize in human anatomy. Some anatomists classify other approximations between the thumb and other fingers as apposition and limit opposition to when the thumb is close to the fifth finger (little finger). This makes sense to anatomists because two intrinsic hand muscles are named for this particular movement (the opponens pollicis and opponens digiti minimi respectively).
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