Upper extremity

Purdue HK 302 applied clinical anatomy

Identify the muscles that retract the scapula

Trapezius

Rhomboids

Identify the muscles that laterally rotate the scapula

Trapezius

Serratus anterior

A skeletal attachment of the coracobrachialis muscle

Coracoid process of scapula

The accessory nerve and the anterior rami of spinal nerves C3-C4 provide innervation to the _____ muscle.

Trapezius

What is labelled A in this photo of the posterior muscles

Triceps Brachii

What is labelled B in this photo of posterior muscles?

Deltoids

What is C in this photo of posterior muscles

Teres Major

What is D in this photo of the posterior muscles

Supraspinatus

What is E in the photo of posterior muscles?

Infraspinatus

What is F in the photo of posterior muscles

Rhomboid Minor

What is G in the photo of posterior muscles

Rhomboid Major

What is H in the photo of posterior muscles

Latissimus dorsi

The innervation of the infraspinatus is provided by the

Suprascaular nerve

Which muscle medially rotates the humerus and prevents the humeral head from slipping forward?

Subscapularis

What nerve innervates the supraspinatus

Suprascapular nerve

The primary action of the triceps brachii

Extend elbow

Name a skeletal attachment of the teres minor

Lateral border of scapula

Skeletal attachment of the long head of the biceps brachii

Superior margin of the glenoid cavity

The clavicle and scapula are part of what girdle?

Shoulder

What is a skeletal attachment of the pectoralis minor

Ribs 3-5 and overlying fascia

The articulation betwen the scapula and the humerus is the ___ joint

glenohumeral

Which nerve innervates the deltoid muscle

axillary

Identify the indicated muscle

Coracobrachialis

The medial and rounded hammerlike head of the clavicle is which end

sternal end

The lateral flattened end of the clavicle is

acromial end

The bone that transfers force from the arms to the axial region of the body

clavicle

Identify the structure of the scapula indicated

Subscapular fossa

The plate like extension of the spine of the scapula that forms the apex of the shoulder

acromion

The arm proper, from the shoulder to the elbow

brachium

Name the bones found in the antebrachium region

Radius

Ulna

Identify the structure labelled A

Greater Tubercle

Identify the structure labelled B

Lesser tubercle

Identify the structure labelled C

Deltiod tuberosity

Identify the letter that indicates the coracobrachialis muscle

B

The bone marking found on the humerus that serves as insertion for deltoid muscle

Deltoid tuberosity

A movement that raises a body part in the frontal plane

elevation

A special movement that involves an anterior movement of a body part in the transverse plane. Like pushing the mandible forward

Protraction

A special movement that involves posterior movement of a body part in the transverse plane

Retraction

A motion in which one end of an appendage is stationary while the other makes a circular motion

Circumduction

What is the anatomical name for the shoulder joint

Glenohumeral joint

The bone contained in the brachium

Humerus

The ring of fibrocartilage found around the margin of the glenoid cavity

glenoid labrum

What three ligaments support the shoulder joint

Transverse humeral ligament

Glenohumeral ligaments

Coracohumeral ligament

What four important muscles help stabilize the shoulder joint

Infraspinatus

Subscapularis

Teres Minor

Supraspinatus

The tendons of which muscles form the rotator cuff

Supraspinatus

Infraspinatus

Teres minor

Subscapularis

The subdeltoid, subacromial, subcoracoid, and subscapular ___ cushion muscles and tissues within the shoulder joint

True or false: the most common shoulder dislocation is the upward displacement of the humerus due to lack of protection superiorly by the rotator cuff

False

Which muscle would move your shoulder in such a way that you could reach out to open a door

pectoralis minor

In addition to the glenohumeral ligaments, what are the other ligaments that support the shoulder joint

Coracohumeral ligament

aaTransverse humeral ligament

Name the action of the serratus anterior

Protracts the scapula: fixes scapula

Innervation for the serratus anterior is provided by the long ___ nerve

thoracic

The ___ anterior muscle attaches on the ribs and insert on the medial border of the scapula

Serratus

The rhomboids and levator scapulae are responsible for ___ of the scapula

Medial rotation

The serratus anterior and the ___ muscle will depress the scapula

Trapezius

The rhomboids, the levator scapulae, and the superior part of the trapezius are responsible for _____ of the scapula.

Elevation

Which muscle would you use to produce a forceful depression of the scapula, as in the down-stroke of hammering a nail?

Trapeziius

Choose a skeletal attachment of the trapezius

Acromion and spine of scapula: lateral one-third of clavicle

Elevation and medial rotation of the scapular are actions of the __ msucles

levator scapulae

In addition to the supraspinatus and infraspinatus, what other muscles stabilize the shoulder joint?

Teres minor

Biceps brachii

Subscapularis

The levator scapulae runs from the ______ to the superior angle of the scapula.

Transverse processes of C1-C4

Spinal nerves C3-C4, and C5 by way of the dorsal scapular nerve innervate the _____ muscles.

Levator scapulae

Retraction of the scapula and bracing of the shoulder are actions of the _____ muscles.

Rhomboid major and minor

Innervation for rhomboideus minor is provided by the dorsal ______ nerve.

Scapular

Choose a skeletal attachment of the rhomboideus minor muscle.

Spinous Processes of Vertebrae C7-T1

A skeletal attachment for the pectoralis major muscle is the ______.

Lateral lip of the intertubercular sulcus of the humerus

Identify the axial muscles that act on the arm.

Latissimus dorsi

Pectoralis major

The medial and lateral ____ nerves provide innervation for the pectoralis major muscle.

Pectoral

Name the muscle that extends the shoulders when rowing and is also nicknamed the "swimmer's muscle".

Latissimus dorsi

Identify the actions of the pectoralis major. 

Medially rotates arm

Flexes arm

Adducts arm

Indicate the skeletal attachments of the latissimus dorsi

iliac crest

T7-L5 vertebrae

Floor of intertubercular sulcus of humerus

Innervation to the latissimus dorsi muscle is provided by the ___ nerve

Thoracodorsal

The bone that the deltoid, teres major, and coracobrachialis all attach to the _____.

Scapula

Which muscle is responsible for three different sets of movements of the arm, including flexion, medial rotation, abduction, extension and lateral rotation?

Deltoid

Skeletal attachments of the deltoid include the ______.

Clavicle and scapula

When you're walking, the teres major contributes to which part of your arm swing?

Backward swing

A skeletal attachment for the teres major muscle is the ______.

Medial lip of the intertubercular

The innervation of the teres major is provided by the lower ___ nerve

Subscapular

In addition to flexion and adduction of the arm, the ______ muscle also aids in deep inspiration.

Pectoralis Major

Name the actions of the coracobrachialis muscle.

Flexes and medially rotates arm

The nerve that provides innervation to the coracobrachialis is the __ nerve

Subscapular

Identify the indicated muscle

Biceps Brachii

What is A of these anterior muscles

Deltoid

What is B of these anterior muscles

Pectoralis major

What is C of these anterior muscles

Biceps Brachii

When you're carrying a heavy suitcase, which muscle resists the tendency of the humeral head to slip down out of socket?

Supraspinatus

Identify the indicated muscle of the scapula

Subscapularis

Name the muscle that originates on the supraspinous fossa and inserts on the greater tubercle of the humerus.

Supraspinatus

What are the three ligaments that support the shoulder joint?

Glenohumeral ligaments

Coracohumeral ligament

Transverse humeral ligament

What os the indicated muscle of the shoulder

Deltoid

Identify the letter in the figure that indicates the pectoralis major muscle

C

The muscle indicated in the figure of the upper torso is

Teres Major

Identify the letter in the figure that indicates the teres minor muscle

C

Identify the letter in the figure that indicates the infraspinatus muscle

C

Identify the letter that indicates the triceps brachii muscle

D

Name the muscle that rotates the humerus laterally and prevents the humeral head from slipping upward.

Infraspinatus

The tendon of which muscle helps form the rotator cuff?

Subscapularis

Choose a skeletal attachment of the infraspinatus muscle.

Infraspinous fossa of scapula

Holding the head of the humerus in the glenoid cavity is accomplished by the ______.

rotator cuff muscles

Identify the indicated muscle on the illustration of the shoulder and arm

Supraspinatus

The nerve that provides the innervation of the teres minor is which nerve?

axillary