Kinesiology Chapter 5 Study Guide

B. adduction

An action common to the latissimus dorsi, teres major, and lower pectoralis major is _____. A. abduction B. adduction C. external rotation D. flexion

B. extension

An action common to the latissimus dorsi, teres major, and lower pectoralis major is _____. A. abduction B. extension C. external rotation D. flexion

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An action common to the latissimus dorsi, teres major, subscapularis and pectoralis major is _____. A. abduction B. adduction C. internal rotation D. extension

C. external rotation

An action common to the posterior deltoid, teres minor, and infraspinatus is _____. A. abduction B. adduction C. external rotation D. internal rotation

T

T/F The insertion of the pectoralis major muscle is the flat tendon 2-3 inches wide to the outer lip of the intertubercular groove of the humerus.

T

T/F Anterior deltoid action is opposed by the posterior deltoid.

T

T/F Glenohumeral joint stability is enhanced by the glenoid labrum.

T

T/F One of the functions of the supraspinatus muscle is to stabilize the humeral head in the glenoid fossa.

F- replace posterior dislocations with anterior dislocations

T/F Posterior dislocations occur frequently at the glenohumeral joint.

T Subscapularis- internal Infraspinatus-external

T/F Subscapularis action is opposed by the infraspinatus.

F- translation means sliding and it doesn't prevent it, it causes it

T/F Supraspinatus action prevents superior translation of the humerus.

F- biceps brachii don't do diagonal abduction they do diagonal adduction

T/F The agonist muscles associated with glenohumeral diagonal abduction are the posterior deltoid, infraspinatus, teres minor, and biceps brachii.

F- Pectoralis major upper fibers do, but not lower fibers

T/F The agonist muscles that perform glenohumeral flexion are the anterior deltoid and the pectoralis major.

T

T/F The clavicular head of the pectoralis major is innervated by the lateral pectoral nerve arising from C5, C6, and C7

F- replace inserts with originates

T/F The coracobrachialis muscle inserts on the coracoid process

T

T/F The coracobrachialis muscle is innervated by the musculocutaneous nerve from C5, C6, and C7

T

T/F The infraspinatus muscle is innervated by the suprascapular nerve from C5 and C6

F- replace humeral tuberosity with deltoid tuberosity

T/F The insertion of the deltoid muscle is the humeral tuberosity on the lateral humerus.

T

T/F The origin of the deltoid muscle includes the anterior lateral third of the clavicle and the lateral portion of the acromion process.

T

T/F The origin of the pectoralis major muscle includes the medial half of the anterior surface of the clavicle

T

T/F The origin of the pectoralis major muscle includes the portion of the sternum adjacent to the costal cartilages of the first six ribs.

F Upper fibers- clavicle Lower fibers- sternum & upper 6 coastal cartilage of ribs

T/F The origin of the pectorals major muscle is the coracoid process of the scapula

F- abduction can go up to 180

T/F The range of motion of the glenohumeral joint in the frontal plane is approximately 90- 95' for adduction and abduction.

T

T/F The rotator cuff muscle group includes the subscapularis, supraspinatus, infraspinatus, and teres minor muscles.

F- replace enhanced with decreased

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

F- replace lateral with medial

T/F The sternal head of the pectoralis major muscle is innervated by the lateral pectoral nerve arising from C8 & T1

T

T/F The teres minor muscle is innervated by the axillary nerve from C5 & C6

T

T/F When attempting extreme external rotation the total shoulder range of motion is enhanced by scapula adduction

T

T/F the deltoid muscle is innervated by the axillary nerve from C5 & C6

A. Anterior glenohumeral ligament (this is the name for all 3 combined so, not it's own ligament)

The glenohumeral ligaments include all of the following except? A. Anterior glenohumeral ligament B. Superior glenohumeral ligament C. Inferior glenohumeral ligament D. Middle glenohumeral ligament

A. anterior

The most common glenohumeral dislocation is _____. A. anterior B. inferior C. posterior D. superior

D. Adduction

Which of the following are not actions of the pectoralis minor muscle? A. Abduction B. Downward rotation C. Depression D. Adduction

C. Supraspinatus

Which of the following are not anterior muscles of the shoulder joint? A. Pectoralis major B. Coracobrachialis C. Supraspinatus D. Subscapularis

D. Internal rotation GIRD: Glenohumeral Internal Rotation Deficit

Which of the following glenohumeral motions is often restricted leading to a higher risk of injury among overhead throwers? A. Abduction B. Flexion C. External rotation D. Internal rotation

D. Both internal rotation and extension

Which of the following is an action of the latissimus dorsi muscle? A. Internal rotation B. External rotation C. Extension D. Both internal rotation and extension

A. Abduction

Which of the following is an action of the middle fibers of the deltoid muscles? A. Abduction B. Extension C. Flexion D. Adduction

A. Posterior crest of the ilium

Which of the following is an origin of the latissimus dorsi muscle? A. Posterior crest of the ilium B. Front of the sacrum C. Spinous processes of the lumbar and lower eight thoracic vertebrae D. Slips of the lower seven ribs

D. Latissimus dorsi Extrinsic: originates on trunk & inserts on humerus

Which of the following is considered to be an extrinsic glenohumeral muscle? A. Deltoid B. Coracobrachialis C. Teres major D. Latissimus dorsi

D. Tight configuration of ligaments

Which of the following is not a factor that contributes to the predisposition for injury at the glenohumeral joint? A. Shallowness of glenoid fossa B. Laxity of ligamentous structures C. Lack of strength and endurance in muscles D. Tight configuration of ligaments

A. External rotation

Which of the following is not a function of the latissimus dorsi muscle? A. External rotation B. Internal rotation C. Extension D. Adduction

D. Intrascapularis

Which of the following is not a muscle of the rotator cuff group? A. Supraspinatus B. Infraspinatus C. Teres minor D. Intrascapularis

A. Ribs

Which of the following is not a structure associated with the shoulder joint? A. Ribs B. Humerus C. Clavicle D. Scapula

B. Pronation

Which of the following is not an action of the pectoralis major muscle? A. Internal rotation B. Pronation C. Flexion D. Abduction

D. Pectoralis major Intrinsic: originates on scapula & clavicle & insertion the humerus

Which of the following is not an intrinsic glenohumeral muscle? A. Deltoid B. Coracobrachialis C. Teres major D. Pectoralis major

D. Medial lip of the intertubercular groove of the humerus

Which of the following is not an origin of the latissimus dorsi muscle? A. Posterior crest of the ilium B. Back of the sacrum C. Spinous processes of the lumbar and lower six thoracic vertebrae D. Medial lip of the intertubercular groove of the humerus

A. Teres major

Which of the following is not considered to be a muscle in the rotator cuff group? A. Teres major B. Teres minor C. Infraspinatus D. Subscapularis

C. Medial lip of the intertubercular groove of the humerus

Which of the following is the insertion of the latissimus dorsi muscle? A. Posterior crest of the ilium B. Back of the sacrum C. Medial lip of the intertubercular groove of the humerus D. Spinous processes of the lumbar and lower six thoracic vertebrae

C. Supraspinatus

Which of the following muscles of the shoulder joint are located on the posterior surface of the scapula? A. Pectoralis major B. Coracobrachialis C. Supraspinatus D. Subscapularis