Analysis of Movement Exam 2

Match the bony landmarks to the correct labels on the image (medial view of elbow joint)

A: Humerus B: Radius C: Ulna D: Olecranon process

Match the bony landmarks on the image to the correct labels (anterior view of elbow joint)

A: Lateral epicondyle B: Medial epicondyle C: Trochlea D: Ulna E: Radius

Which of the following is a concentric action of the latissimus dorsi muscle?

Both internal rotation and extension

Radioulnar pronation is performed by all of the following muscles except the:

Brachialis

Which of the following muscles is involved in both pronation and supination?

Brachioradialis

Which of the following is the primary function of the extensor pollicis longus muscle?

Extension of the thumb

Which of the following muscles performs abduction/radial deviation of the wrist?

Extensor capri radialis longus

A movement of the forearm away from the shoulder is best described by the term "flexion"

False

Each finger has three interphalangeal joints, whereas the thumb has only two.

False

In the anatomical position, the radius is more medial than the ulna.

False

Posterior dislocations occur frequently at the glenohumeral joint.

False

Which of the following is the only muscle that flexes the finger distal interphalangeal joint (DIP) joints?

Flexor digitorum profundus

Which of the following muscles performs flexion of the thumb?

Flexor pollicis longus

Flexion of the elbow occurs in the _____ plane of motion, and supination of the forearm occurs in the _____ plane of motion.

Sagittal; transverse

Which of the following is not considered to be a muscle of the rotator cuff group?

Teres major

Which of the following statements is true about the rhomboid muscles?

Their concentric actions include adduction/retraction and downward rotation

Which of the following is not a factor that contributes to the injury rate of the glenohumeral joint?

Tight configuration of ligaments

In the context of shoulder joint movements, abduction refers to an upward lateral movement of the humerus in the frontal plane out to the side, away from the body.

True

In the context of wrist and hand movements, opposition refers to the movement of the thumb across the palmar aspect to oppose the palm or any combination of the phalanges.

True

In the context of wrist and hand movements, ulnar deviation refers to the movement of the little finger side of the hand toward the medial aspect or ulnar side of the forearm.

True

The action performed by the subscapularis muscle is opposite to the action performed by the infraspinatus muscle.

True

The concentric actions of the serratus anterior muscle include scapula abduction/protraction and upward rotation.

True

The ulna is much larger proximally than the radius.

True

The wrist flexor muscles have their origin on the medial epicondyle of the humerus.

True

Which of the following is the sole action of the brachialis muscle?

True flexion of elbow

Which of the following actions is performed concentrically by the serratus anterior muscle?

Upward rotation

Match the bony landmarks on the image to the correct labels (posterior view of the scapula)

A: Spine of scapula B: Medial border C: Glenoid fossa D: Lateral border E: Inferior angle

Radioulnar supination is performed by all of the following muscles except the:

Anconeus

Which of the following is a posterior muscle?

Anconeus

The trapezius lower fibers are involved concentrically in all of the following actions except:

Elevation

Which of the following is not an action of the brachioradialis muscle?

Extension of the elbow

Which of the following is a primary action of the latissimus dorsi muscle?

Extension of the glenohumeral joint

Which of the following is the primary function of the extensor digiti minimi muscle?

Extension of the little finger at the metacarpophalangeal joint

Which of the following muscles performs extension of the index finger at the metacarpophalangeal joint?

Extensor indicis

An action common to the teres minor and the infraspinatus muscles is _____.

External rotation

Which of the following is not an action of the pectoralis major muscle?

External rotation

The flexor digitorum superficialis muscle performs its action in the frontal plane.

False

The olecranon process is located on the medial aspect of the ulna.

False

The shoulder girdle movements primarily involve all of the following muscles except:

Pectoralis major

Which of the following is not an anterior muscle of the shoulder joint?

Supraspinatus

Which of the following muscles of the shoulder joint is located on the posterior surface of the scapula?

Supraspinatus

Positioning the forearm in pronation decreases the effectiveness of the biceps brachii muscle in flexing the elbow.

True

The flexor digitorum superficialis and the flexor digitorum profundus are finger flexors, and the flexor pollicis longus is a thumb flexor.

True

Which of the following is an action of the middle fibers of the deltoid muscles?

abduction and horizontal abduction

Match the carpals in the image to the correct label

A: Trapezoid B: Trapezium C: Capitate D: Scaphoid E: Hamate F: Pisiform G: Triquetrium H: Lunate

Which of the following muscles performs actions in the frontal plane about the sagittal axis?

Abductor pollicis longus

In the context of shoulder girdle movements, which of the following terms refers to the movement of the scapula medially toward the spinal column, as in pinching the shoulder blades together?

Adduction/reduction

The chief function of the _____ is to pull the synovial membrane of the elbow joint out of the way of the advancing olecranon process during extension of the elbow.

Anconeus

Which of the following actions is performed concentrically by the levator scapulae muscle?

Elevation

The stability of the glenohumeral joint is enhanced by its significant mobility.

False

Which of the following muscles performs adduction/ulnar deviation of the wrist?

Flexor carpi ulnaris

Which of the following bony landmarks are located on the posterior surface of the scapula?

Infraspinous fossa

In the context of radioulnar joint movements, which of the following terms refers to the internal rotary movement of the radius on the ulna that results in the hand moving from the palm-up to the palm-down position?

Pronation

The ____ muscle does not perform flexion of the elbow.

Pronator quadratus

Which of the following muscles has its origin in the surface of the upper nine ribs at the side of the chest?

Serratus anterior

Which of the following bony landmarks is located on the anterior surface of the scapula?

Subscapular fossa

Which of the following muscles concentrically perform both elevation and depression?

Trapezius

Carpal tunnel is a condition in which there is an increased pressure in the carpal tunnel, which interferes with the normal function of the median nerve.

True

Flexion of the forearm with a barbell in the hands, known as "curling", is an excellent exercise to develop the biceps brachii muscle.

True

Glenohumeral joint abduction is paired with the shoulder girdle upward rotation to accomplish the total shoulder abduction range of motion.

True

The insertion of the biceps brachii muscle is on the tuberosity of the radius and bicipital aponeurosis.

True

The rotator cuff group includes the subscapularis, supraspinatus, infraspinatus and teres minor muscles.

True

The scapula is unable to move on the trunk without movement of the sternoclavicular and/or acromioclavicular joints.

True

To stretch the flexor carpi ulnaris, the elbow must be fully extended with the forearm supinated while a partner passively extends and abducts the wrist.

True