Revision Questions

Pinch Grip:

Which of the following is not a muscle involved in the pinch grip:

A. Interossei muscles

B. Lumbrical muscles

C. Flexor digitorum superficialis

D. Hypothenar muscles

E. Adductor pollicis

The thenar muscles of the hand are pivitol during the pinch grip:

True or False

Holding a pencil is a form of internal precision:

True of False

If a patient is unable to form an “O.K” sign; unable to flex the interphalangeal joint of the thumb and distal index finger, what nerve is most likely damaged and what is the main branch of this nerve?

Cylindrical Grip:

Why does FDP provide the most power to the cylindrical power grip?

A. It has 3 times the bulk of FDS

B. FDP is strong because it attaches distally on either side of each digit

C. FDS crosses the distal inter phalangeal joint and allows flexion to wrap around the object

D. FDP crosses the distal inter phalangeal joint and allows flexion to wrap around the object

Power grips are most often, primarily performed by the intrinsic muscles of the hand:

True or False

When using a cylindrical grip, as an object gets heavier the thumb primarily becomes more:

A. Extended

B. Adducted

C. Abducted

D. Flexed

Hook grip

Which of the following muscle is not involved in hook grip?

A.  Flexor carpi digitorum profundus

B. Abductor digiti minimi

C. Flexor pollicis brevis

D. Palmar interossei

Power grip can be divided into dynamic and static stages:

True of False

Functional Anatomy of the Hand

Name the marked Joints and note the Type of the Joint:

Questions

Posterior Compartment of the Forearm Muscles: Fill in the Gaps:

Tabelle 4