Quiz 4

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What is the ratio of humerus to scapula motion beyond the first 30 degrees of elevation?

2:1

Tennis elbow is chronic inflammatory condition of what structure? a) common extensor tendon b) medial epicondyle c) common flexor tendon d) carpal tunnel

A

Which of the following is not a rotator cuff muscle? a) pectoralis minor b) infraspinatus c) supraspinatus d) teres minor

A

Which rotator cuff tendon keeps the head of the humerus from acromion during abduction? a) supraspinatus b) teres minor c) infraspinatus d) subscapularis

A

Why can't you exert more force to insert a screw with supination than remove a screw with pronation?

Because the position of the hand (supinated position) allows the biceps brachii to generate torque

What is the cartilage ring around the glenoid at the shoulder? a) capsule b) coracoacromial ligament c) labrum d) rotator cuff

C

Which muscles work eccemtrically to decelerate the throwing arm of a pitcher? a) teres minor and infraspinatus b) latissimus dorsi and biceps c) subscapularis & supraspinatus d) pectoralis major and minor

C

The anatomical snuffbox is made up of all but which of the following tendons? a) extensor pollicis longus b) extensor pollicis brevis c) abductor pollicis longus d) extensor incdicis

D

Which of the following is not a hypothenar muscle? a) opponens digiti minimi b) abductor digiti minimi c) flexor digiti minimi d) extensor digiti minimi

D

Which tendon is commonly used in tendon transfers of the hand not contained in the carpal tunnel? a) flexor carpi radialis longus b) flexor digitorum superficialis c) flexor pollicis longus d) palmaris longus

D

Why would a little league player not likley benefit from us using a "hot bat"?

Hot bats are more likely to break making them more dangerous

What does Coefficient of Restitution refer to in softballs and golf balls?

It refers to the elasticity of a softball or golf ball. The higher the coefficient = the more elastic the ball; A lower coefficient = a less elastic ball

Which 2 carpals will most likely be dislocated and/or fractured in a FOOSH injury?

Lunate and scaphoid

What majoir nerve is entrapped in Pronator Teres Syndrome?

Median nerve

Your Flexor Digitorum Superficialis was cut by a crazed Mom when you reached for a pair of shoes at The Bon shoe sale during Mom's Weekend. Your Flexor Digitorum Profundus was not injured. Would you still be able to dig your nails into the woman's arm with your injured hand? Yes or NO

No, because the flexor digitorum superficialis is responsible for the flexing of the fingers.

Did Sammy Sosa have an advantage in hitting home runs with a corked bat?

No, despite the bat being lighter to swing, the bat remains ineffective because the cork like feature gives the bat a trampoline effect

Describe the difference between "actual weight" and "swing weight" softball bat?

The actual weight is the weight of the bat itself while the swing weight is the weight of the bat + the weight of the swing

What is the "trampoline effect" in golf clubs?

Trampoline effect is talking about when the ball bounces off the club at a higher velocity in other words the flexibility of the club

Little leaguers are discouraged from throwing curve balls becuase of excessive stress on what structure?

Ulnar collateral ligament

Which of the 3 elbow joints is a pivot joint?

Ulnohumeral joint


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