AAO Exam 3 Questions and Answers Grade A+
What is the most movable joint in the body? - Answer-shoulder
What are the 5 bones of the shoulder girdle? - Answer--scapula
-clavicle
-sternum
-humerus
-rib cage
Which of these is not a pure joint?
-acromioclavicular
-sternoclavicular
-scapulothoracic
-glenohumeral - Answer-scapulothoracic
Which scapular movement and muscle is important with boxers? - Answer--
protraction
-serratus anterior
What kind of motion does the AC joint have? - Answer-gliding
What causes scapular winging? - Answer-weakness of serratus anterior
What plane does the scapular tilting occur in? - Answer-tranverse plane
Retraction and protraction are synonyms for... - Answer-retraction = adduction
protraction = abduction
What is the difference between the shoulder joint and girdle? - Answer-shoulder
girdle involves the scapula
,shoulder joint is just the glenohumeral joint
In scapulohumeral rhythm, the first ___________ degrees are from shoulder joint
motion. - Answer-30 degrees
In scapulohumeral rhythm, after the first 30 degrees of shoulder joint motion, for
every ________ degrees of _____________________, the scapula performs
________ degree of _____________. - Answer-2 degrees of flexion/abduction
1 degree of upward rotation
What occurs during flexion? - Answer--upward rotation
-protraction
What occurs during extension? - Answer--downward rotation
-retraction
What occurs during hyperextension? - Answer-scapular tilting
What occurs during abduction? - Answer-upward rotation
What occurs during adduction? - Answer-downward rotation
What occurs during medial rotation? - Answer-protraction
What occurs during lateral rotation? - Answer-retraction
Internal rotation is also known as... - Answer-medial rotation
External rotation is also known as... - Answer-lateral rotation
What occurs during horizontal abduction? - Answer-retraction
What occurs during horizontal adduction? - Answer-protraction
What muscles do the force coupling for upward scapular rotation? - Answer--
upper trapezius
-lower trapezius
, -serratus anterior
What muscles do the force coupling for downward scapular rotation? - Answer--
rhomboids
-levator scapulae
-pectoralis minor
What muscle does protraction and upward rotation? - Answer-serratus anterior
What muscle does retraction, scapular elevation, and downward rotation? -
Answer-rhomboids
What muscle does scapular depression, protraction, downward rotation, and tilt?
- Answer-pectoralis minor
What 4 structures course through the cubital fossa? - Answer--median nerve
-brachial artery
-biceps tendon
-medial cuboidal vein
What's the position of the shoulder and scapula right before throwing a football? -
Answer--external rotation
-retraction
A latissimus dorsi pull down is what kind of kinetic chain? - Answer-open kinetic
chain
True or false:
The surgical neck of the humerus is superior to the anatomical neck. - Answer-
false
What ligament spans across the shoulder joint anteriorly and is attached to medial
side of the tubercle? - Answer-coracohumeral ligament
What is the action of the pectoralis major sternal head? - Answer-extension
What is the most movable joint in the body? - Answer-shoulder
What are the 5 bones of the shoulder girdle? - Answer--scapula
-clavicle
-sternum
-humerus
-rib cage
Which of these is not a pure joint?
-acromioclavicular
-sternoclavicular
-scapulothoracic
-glenohumeral - Answer-scapulothoracic
Which scapular movement and muscle is important with boxers? - Answer--
protraction
-serratus anterior
What kind of motion does the AC joint have? - Answer-gliding
What causes scapular winging? - Answer-weakness of serratus anterior
What plane does the scapular tilting occur in? - Answer-tranverse plane
Retraction and protraction are synonyms for... - Answer-retraction = adduction
protraction = abduction
What is the difference between the shoulder joint and girdle? - Answer-shoulder
girdle involves the scapula
,shoulder joint is just the glenohumeral joint
In scapulohumeral rhythm, the first ___________ degrees are from shoulder joint
motion. - Answer-30 degrees
In scapulohumeral rhythm, after the first 30 degrees of shoulder joint motion, for
every ________ degrees of _____________________, the scapula performs
________ degree of _____________. - Answer-2 degrees of flexion/abduction
1 degree of upward rotation
What occurs during flexion? - Answer--upward rotation
-protraction
What occurs during extension? - Answer--downward rotation
-retraction
What occurs during hyperextension? - Answer-scapular tilting
What occurs during abduction? - Answer-upward rotation
What occurs during adduction? - Answer-downward rotation
What occurs during medial rotation? - Answer-protraction
What occurs during lateral rotation? - Answer-retraction
Internal rotation is also known as... - Answer-medial rotation
External rotation is also known as... - Answer-lateral rotation
What occurs during horizontal abduction? - Answer-retraction
What occurs during horizontal adduction? - Answer-protraction
What muscles do the force coupling for upward scapular rotation? - Answer--
upper trapezius
-lower trapezius
, -serratus anterior
What muscles do the force coupling for downward scapular rotation? - Answer--
rhomboids
-levator scapulae
-pectoralis minor
What muscle does protraction and upward rotation? - Answer-serratus anterior
What muscle does retraction, scapular elevation, and downward rotation? -
Answer-rhomboids
What muscle does scapular depression, protraction, downward rotation, and tilt?
- Answer-pectoralis minor
What 4 structures course through the cubital fossa? - Answer--median nerve
-brachial artery
-biceps tendon
-medial cuboidal vein
What's the position of the shoulder and scapula right before throwing a football? -
Answer--external rotation
-retraction
A latissimus dorsi pull down is what kind of kinetic chain? - Answer-open kinetic
chain
True or false:
The surgical neck of the humerus is superior to the anatomical neck. - Answer-
false
What ligament spans across the shoulder joint anteriorly and is attached to medial
side of the tubercle? - Answer-coracohumeral ligament
What is the action of the pectoralis major sternal head? - Answer-extension
