Week 7

What is the action based on the following muscle (mover): abductor digiti minimi

MCP abduction of 5th digit

What is the action based on the following muscle (mover): extensor digitorum

MCP extension

Which muscle originates on the hamate and flexor retinaculum and inserts on the fifth metacarpal?

Opponens digiti minimi

Paralysis of the flexor carpi ulnaris muscle could indicate trauma to which of the following nerves?

Ulnar nerve

What is the action based on the following muscle (mover): opponens digiti minimi

5th digit opposition

What is the action based on the following muscles (movers): supinator, biceps brachii

: Forearm supination

Which muscle does NOT make up the anatomical snuffbox?

Abductor pollicis brevis

Which muscle originates on the scaphoid, trapezium, and flexor retinaculum and inserts on the proximal phalanx of the thumb?

Abductor pollicis brevis

Which type of grip is used to grasp the rim of a wheelchair?

Cylindrical grip

Which type of grip is used to hold on to a walker handle?

Cylindrical grip

What is the action based on the following muscle (mover): flexor digitorum profundus

DIP flexion for digits 2-5

Which bony arch is formed by the heads of the metacarpals?

Distal carpal arch

Your patient had trauma to the ulnar nerve and cannot actively abduct and adduct her fingers. You note weakness of which of the following muscles as a result of this?

Dorsal and palmar interossei

What is the action based on the following muscle (mover): triceps brachii

Elbow extension

What is the action based on the following muscles (movers): biceps brachii, brachialis, brachioradialis

Elbow flexion

If the emphasis for the above exercise is eccentric strengthening, how would you instruct your client to pace the exercise?

Emphasis on the "down" motion

A person needing to stretch the wrist flexors needs to put the wrist in which of the following positions?

Extension

If you are instructed to work on closed-chain upper extremity activity and you have your patient stand and place her hand on a table with her fingers facing forward and rock forward to touch an object with the other hand, which motion is occurring at the wrist that is on the table?

Extension

The PT plan of care directs you to do ISOM strengthening of the wrist extensors in a shortened position. To do this you would place the wrist in which of the following positions?

Extension

Which muscle originates on the lateral epicondyle of the humerus and inserts at the base of the third metacarpal?

Extensor carpi radialis brevis

Which wrist muscle is the direct antagonist of the palmaris longus?

Extensor carpi radialis brevis

Which muscle originates on the lateral epicondyle and inserts on the base of the fifth metacarpal?

Extensor carpi ulnaris

Which muscle originates on the lateral humeral epicondyle and inserts at the base of the distal phalanx of the fifth finger?

Extensor digiti minimi

Which muscle originates on the humeral lateral condyle and inserts at the base of the distal phalanges of the four fingers?

Extensor digitorum

The flexor carpi radialis and flexor carpi ulnaris are agonists in which of the following motions?

Flexion

When the extensor carpi ulnaris and flexor carpi ulnaris contract simultaneously, which motions are neutralized?

Flexion and extension of the wrist

Which muscle originates on the medial epicondyle of the humerus and inserts on the base of the second metacarpal?

Flexor carpi radialis

Which muscle originates on the medial humeral epicondyle and inserts at the sides of the middle phalanges of the fingers?

Flexor digitorum superficialis

What is the action based on the following muscles (movers): pronator teres, pronator quadratus

Forearm pronation

The intrinsic muscle mass on the little finger side of the palm is made up of which set of muscles?

Hypothenar muscles

Which type of grip is used to grasp a plate?

Lumbrical grip

Which muscle originates on the flexor digitorum profundus tendon and inserts on the tendon of the extensor digitorum muscle?

Lumbricales

What is the action based on the following muscles (movers): extensor indicis, extensor digitorum

MCP extension of 2nd digit

What is the action based on the following muscles (movers): extensor digiti minimi, extensor digitorum

MCP extension of 5th digit

Carpal tunnel syndrome involves compression of which of the following nerves?

Median

What is the action based on the following muscles (movers): Lumbricales, extensor indicis, extensor digitorum

PIP & DIP extension of 2nd digit

What is the action based on the following muscles (movers): Lumbricales, extensor digiti minimi, extensor digitorum

PIP & DIP extension of 5th digit

What is the action based on the following muscles (movers): flexor digitorum superficialis, flexor digitorum profundus

PIP flexion for digits 2-5

If a person repeatedly falls on an outstretched hand (extended wrist) while snowboarding, they are at increased risk for a sprain to which of the following ligaments?

Palmar radiocarpal ligament

Which muscle originates on the medial epicondyle of the humerus and inserts on the palmar fascia?

Palmaris longus

Which type of grip is used to pick up a coin?

Pincer grip

What is the action based on the following muscles (movers): flexor carpi radialis, extensor carpi radialis longus

Radial deviation

The three wrist extensors are innervated by which nerve?

Radial nerve

What is the action based on the following muscles (movers): adductor pollicis, extensor pollicis longus, extensor pollicis brevis

Reposition of the thumb

Which carpal bone makes up the floor of the anatomical snuffbox and is the most frequently fractured carpal bone?

Scaphoid

When teaching a client strengthening exercises for wrist radial deviation, which of the following is the BEST position to place him in to start the exercise?

Seated with forearm on table, thumb up

The flexor digitorum superficialis muscle flexes all but which of the following joints of the fingers?

The flexor digitorum superficialis muscle flexes all but which of the following joints of the fingers?

What is the action based on the following muscles (movers): abductor pollicis longus, abductor pollicis brevis

Thumb abduction

What is the action based on the following muscle (mover): adductor pollicis

Thumb adduction

What is the action based on the following muscles (movers): extensor pollicis longus, extensor pollicis brevis

Thumb extension

What is the action based on the following muscles (movers): flexor pollicis longus, flexor pollicis brevis

Thumb flexion

What is the action based on the following muscle (mover): opponens pollicis

Thumb opposition

What is the action based on the following muscles (movers): flexor carpi ulnaris, extensor carpi ulnaris

Ulnar deviation

What is the action based on the following muscles (movers): extensor carpi radialis longus, extensor carpi radialis brevis, extensor carpi ulnaris

Wrist extension

When the flexor carpi radialis and the extensor carpi radialis longus contract simultaneously, which motion results?

Wrist radial deviation

A person with inflammation in the carpal tunnel could have weakness in any of the following muscles EXCEPT the

extensor digitorum.

With the palm down on the table, raise the second finger off the table. This requires muscle action of the

extensor indicis.

The structure that spans the posterior side of the wrist from the ulnar styloid process to the lateral radius is called the

extensor retinaculum.

Damage to the radial nerve would impair all of the following muscles EXCEPT the

flexor pollicis longus

The bony landmark located on the distal medial side of the humerus is the

medial condyle.

The ligament that attaches to the styloid process of the radius and to the scaphoid and trapezium bones is the

radial collateral ligament.

The functional position of the hand includes all of the following joint positions EXCEPT

some wrist flexion.

What is the action based on the following muscles (movers): flexor carpi radialis, flexor carpi ulnaris

wrist flexion