Wrist and Forearm Quiz

Which muscle group is primarily responsible for bending (flexing) the wrist and fingers?

• Extensors

• Flexors

• Pronators

• Supinators

A jammed finger typically involves an injury to the:

When making a tight fist, which muscle group is most active?

• Flexors

• Extensors

• Supinators

• Pronators

Differentiate between a sprain and a fracture in the wrist. What structure is injured in each?

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Answer explanation

Sprain-Ligament

Fracture- Bone

Jersey Finger typically involves a flexor tendon tear, preventing the individual from fully flexing the fingertip.

• True

• False

An athlete jams their finger while catching a ball. Name one common sign that might indicate a jammed finger versus a fracture.

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Which muscle rotates the forearm from palm-down to palm-up?

• Pronator Teres

• Supinator

• Flexor Digitorum Profundus

• Extensor Carpi Ulnaris

Why might the thumb require different treatment than the other fingers in cases of sprains or fractures?

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Which of the following injuries is most commonly associated with punching or striking an object incorrectly?

• Mallet Finger

• Boxer’s Fracture

• Jersey Finger

• Distal Radius Fracture

A student falls on an outstretched hand and complains of severe wrist pain: Suggest one special test to help determine if there is a ligament sprain vs. a bone fracture.

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