Upper Limb Muscles
Practice Test for WCCMT MSAK Midterm 1
- 1.
Pectoris Major - Origin
- A.
Medial epicondyle of humerus (via common flexor tendon)
- B.
Humeroulnar head: Medial epicondyle of humerus (via common flexor tendon), Coronoid process of Ulna. Radial head: Ant. Oblique line of radius
- C.
Clavicular head: medial half of clavicle - Sternocostal Head: Sternum & Costal cartilages of 2nd to 6th ribs
- D.
Supinator crest of Ulna & Lateral epicondyle of humerus.
Correct Answer
C. Clavicular head: medial half of clavicle - Sternocostal Head: Sternum & Costal cartilages of 2nd to 6th ribs -
- 2.
Pectoralis Major - Insertion
- A.
Lateral Lip of Bicipital Grove (aka intertubercular sulcus) of humerus
- B.
Subclavian grove of clavicle
- C.
Ulnar tuberosity, coronoid process of the ulna.
- D.
Palmar aponeurosis and flexor retinaculum
Correct Answer
A. Lateral Lip of Bicipital Grove (aka intertubercular sulcus) of humerus -
- 3.
Pectoralis Major - Innveration
- A.
Axillary Nerve
- B.
Suprascapular Nerve
- C.
Medial Pectoral Nerve
- D.
Medial & lateral Pectoral Nerves
Correct Answer
D. Medial & lateral Pectoral Nerves -
- 4.
Pectoralis Major - Function
- A.
Lateral Rotation & Horizontal Abduction of arm at the shoulder jt.
- B.
Flexion (C head), Adduction, Medial rotation, Horizontal Adduction of arm & Extention of the flexed arm (S head) at shoulder jt.
- C.
Protraction & Upward Rotation of Scapula at scapular thoracic jt.
- D.
Muscle used by Body Builders to flex and impress the ladies at the beach
Correct Answer
B. Flexion (C head), Adduction, Medial rotation, Horizontal Adduction of arm & Extention of the flexed arm (S head) at shoulder jt. -
- 5.
Pectoralis Minor - Origin
- A.
3rd to 5th ribs
- B.
Subscapular Fossa
- C.
First rib
- D.
Anterior / lateral surface of first 9 ribs {Runs between ribs & scapula}
Correct Answer
A. 3rd to 5th ribs -
- 6.
Pectoralis Minor - Insertion
- A.
Vertebral/ Medial border of Scapula (anterior side)
- B.
Radial Tuberosity of the ulna & bicipital aponeurosis
- C.
Coracoid Process of the Scapula
- D.
Middle of the medial shaft of humerus
Correct Answer
C. Coracoid Process of the Scapula -
- 7.
Pectoralis Minor - Innervation
- A.
Axillary Nerve
- B.
Medial Pectoral Nerve
- C.
Long Thoracic Nerve
- D.
Upper & Lower Subscapular Nerves
Correct Answer
B. Medial Pectoral Nerve -
- 8.
Pectoralis Minor - Function
- A.
Sidekick to Pectoralis Major (Like Robin is to Batman)
- B.
Flexion (C head), Adduction, Medial rotation, Horizontal Adduction of arm & Extention of the flexed arm (S head) at shoulder jt.
- C.
Flexion (A), Extention(P), Abduction (all),Medial rotation(A), Lateral Rotation(P), Horizontal Abduction(P), Horizontal Adduction(A) of arm at shoulder Jt (letters refer to fibers used)
- D.
Protraction (Abduction) & Downward rotation of Scapula at Scapular thoracic jt.
Correct Answer
D. Protraction (Abduction) & Downward rotation of Scapula at Scapular thoracic jt. -
- 9.
Subclavius - Full (Choose one from each category)
- A.
Origin: First rib
- B.
Origin: First rib
- C.
Origin Subclavian grove of clavicle
- D.
Insertion: Supraglenoid tubercle
- E.
Origin Subclavian grove of clavicle
- F.
Insertion: Supraglenoid tubercle
- G.
Insertion: Subclavian grove of clavicle
- H.
Insertion: Subclavian grove of clavicle
- I.
Innervation:Nerve to Subclavius
- J.
Innervation:Nerve to Subclavius
- K.
Innervation: Axillary Nerve
- L.
Innervation: Axillary Nerve
Correct Answer(s)
A. Origin: First rib
B. Origin: First rib
G. Insertion: Subclavian grove of clavicle
H. Insertion: Subclavian grove of clavicle
I. Innervation:Nerve to Subclavius
J. Innervation:Nerve to Subclavius -
- 10.
Serratus Anterior - Origin
- A.
Anterior / lateral surface of first 9 ribs
- B.
First rib
- C.
Inferior lateral border of scapula
- D.
Infraglenoid tubercle.
Correct Answer
A. Anterior / lateral surface of first 9 ribs -
- 11.
Serratus Anterior - Insertion
- A.
Lateral Lip of Bicipital Grove (aka intertubercular sulcus) of humerus
- B.
Vertebral/ Medial border of Scapula (anterior side)
- C.
Coracoid Process of the Scapula
- D.
Lesser Tubercle of humerus
Correct Answer
B. Vertebral/ Medial border of Scapula (anterior side) -
- 12.
Serratus Anterior - Innveration
- A.
Upper & Lower Subscapular Nerves
- B.
Nerve to Subclavius
- C.
Axillary Nerve
- D.
Long Thoracic Nerve
Correct Answer
D. Long Thoracic Nerve -
- 13.
Serratus Anterior - Function
- A.
Flexion, Adduction & Horizontal adduction of arm at shoulder jt.
- B.
Extention, Adduction & medial rotation of arm at shoulder jt.
- C.
Protraction & Upward Rotation of Scapula at scapular thoracic jt.
- D.
Medial rotation of arm at shoulder jt.
Correct Answer
C. Protraction & Upward Rotation of Scapula at scapular thoracic jt. -
- 14.
Deltoid - Origin
- A.
Subscapular Fossa
- B.
Lateral 1/3 of Clavicle (Ant Fibers) Acromion (Lat fibers) Spine of Scapula (Post fibers)
- C.
Superior lateral border of scapula
- D.
Inferior lateral border of scapula
Correct Answer
B. Lateral 1/3 of Clavicle (Ant Fibers) Acromion (Lat fibers) Spine of Scapula (Post fibers) -
- 15.
Deltoid - Insertion
- A.
Lesser Tubercle of humerus
- B.
Middle facet of greater tubercle of the humerus
- C.
Floor of intertubercular sulcus of humerus
- D.
Deltoid Tuberosity of humerus
Correct Answer
D. Deltoid Tuberosity of humerus -
- 16.
Deltoid - Innveration
- A.
Axillary Nerve
- B.
Suprascapular Nerve
- C.
Upper & Lower Subscapular Nerves
- D.
Thoracodorsal nerve
Correct Answer
A. Axillary Nerve -
- 17.
Deltoid - Function
- A.
Protraction (Abduction) & Downward rotation of Scapula at Scapular thoracic jt.
- B.
Flexion (A), Extention(P), Abduction (all),Medial rotation(A), Lateral Rotation(P), Horizontal Abduction(P), Horizontal Adduction(A) of arm at shoulder Jt
- C.
Flexion (C head), Adduction, Medial rotation, Horizontal Adduction of arm & Extention of the flexed arm (S head) at shoulder jt.
- D.
A good spot for Lance Armstrong to inject his steroids
Correct Answer
B. Flexion (A), Extention(P), Abduction (all),Medial rotation(A), Lateral Rotation(P), Horizontal Abduction(P), Horizontal Adduction(A) of arm at shoulder Jt -
- 18.
Subscapularis - Origin
- A.
Supraspinatus fossa
- B.
3rd to 5th ribs
- C.
Superior lateral border of scapula
- D.
Subscapular Fossa
Correct Answer
D. Subscapular Fossa -
- 19.
Subscapularis - Insertion
- A.
Middle facet of greater tubercle of the humerus
- B.
Lesser Tubercle of humerus
- C.
Deltoid Tuberosity of humerus
- D.
Floor of intertubercular sulcus of humerus
Correct Answer
B. Lesser Tubercle of humerus -
- 20.
Subscapularis - Innveration
- A.
Upper Subscapular Nerve
- B.
Lower Subscapular Nerve
- C.
Upper and lower Subscapular Nerves
- D.
Suprascapular Nerve
Correct Answer
C. Upper and lower Subscapular Nerves -
- 21.
Subscapularis - Function
- A.
Medial rotation of arm at shoulder jt.
- B.
Depression, Protraction & Downward Rotation of Clavicle at Sternoclavicular Jt & Acromioclavicular Jt.
- C.
Abduction of the arm at the shoulder jt.
- D.
Flexion of the forearm at the elbow jt.
Correct Answer
A. Medial rotation of arm at shoulder jt. -
- 22.
Supraspinatus - Origin
- A.
First rib
- B.
Subscapular Fossa
- C.
Supraspinous fossa
- D.
Superior lateral border of scapula
Correct Answer
C. Supraspinous fossa -
- 23.
Supraspinatus - Insertion
- A.
Middle of the medial shaft of humerus
- B.
Medial lip of intertubercular grove.. Aka..
- C.
Lesser Tubercle of humerus
- D.
Superior facet of greater tubercle of humerus
Correct Answer
D. Superior facet of greater tubercle of humerus -
- 24.
Supraspinatus - Innervation
- A.
Thoracodorsal nerve
- B.
Axillary Nerve
- C.
Suprascapular Nerve
- D.
Lower subscapular
Correct Answer
C. Suprascapular Nerve -
- 25.
Supraspinatus - Function
- A.
Extention, Lateral rotation & Horizontal abduction of the arm at
- B.
Abduction of the arm at the shoulder jt.
- C.
Flexion, Adduction & Horizontal adduction of arm at shoulder
- D.
Flexion of the forearm at the elbow jt.
Correct Answer
B. Abduction of the arm at the shoulder jt. -
- 26.
Infraspinatus - Origin
- A.
Inferior lateral border of scapula
- B.
Infraspinous fossa
- C.
Superior lateral border of scapula
- D.
Floor of intertubercular sulcus of humerus
Correct Answer
B. Infraspinous fossa -
- 27.
Infraspinatus - Insertion
- A.
Floor of intertubercular sulcus of humerus
- B.
Radial Tuberosity of the ulna & bicipital aponeurosis
- C.
Inferior facet of greater tubercle of humerus
- D.
Middle facet of greater tubercle of the humerus
Correct Answer
D. Middle facet of greater tubercle of the humerus -
- 28.
Infraspinatus - Innervation
- A.
Axillary Nerve
- B.
Suprascapular Nerve
- C.
Musculocutaneous nerve
- D.
Lower subscapular
Correct Answer
B. Suprascapular Nerve -
- 29.
Infraspinatus - Function
- A.
Abduction of the arm at the shoulder jt.
- B.
Lateral Rotation & Horizontal Abduction of arm at the shoulder
- C.
Extention, Adduction & medial rotation of arm at shoulder jt.
- D.
Flexion of the forearm at the elbow jt.
Correct Answer
B. Lateral Rotation & Horizontal Abduction of arm at the shoulder -
- 30.
Teres Minor - Origin
- A.
Distal anterior surface of humerus
- B.
Coracoid process
- C.
Inferior lateral border of scapula
- D.
Superior lateral border of scapula
Correct Answer
D. Superior lateral border of scapula -
- 31.
Teres Minor - Insertion
- A.
Ulnar tuberosity, coronoid process of the ulna.
- B.
Radial Tuberosity of the ulna & bicipital aponeurosis
- C.
Medial lip of intertubercular grove.. Aka..
- D.
Inferior facet of greater tubercle of humerus
Correct Answer
D. Inferior facet of greater tubercle of humerus -
- 32.
Teres Minor - Innervation
- A.
Lower subscapular
- B.
Axillary Nerve
- C.
Musculocutaneous nerve
- D.
Median Nerve
Correct Answer
B. Axillary Nerve -
- 33.
Teres Minor - Function
- A.
Extention, Lateral rotation & Horizontal abduction of the arm at the shoulder jt.
- B.
Extention & supination of the forearm at the elbow jt.
- C.
Flexion, Adduction & Horizontal adduction of arm at shoulder jt.
- D.
Flexion of the forearm at the elbow jt.
Correct Answer
A. Extention, Lateral rotation & Horizontal abduction of the arm at the shoulder jt. -
- 34.
Teres Major - Origin
- A.
Short head: Coracoid Process of scapula; long head:
- B.
Inferior lateral border of scapula
- C.
Coracoid process
- D.
Distal anterior surface of humerus
Correct Answer
B. Inferior lateral border of scapula -
- 35.
Teres Major - Insertion
- A.
Medial Lip of intertubercular grove
- B.
Lesser tubercle of the humerus
- C.
Coracoid process
- D.
Supraglenoid tubercle
Correct Answer
A. Medial Lip of intertubercular grove -
- 36.
Teres Major - Innervation
- A.
Thoracodorsal nerve
- B.
Axillary Nerve
- C.
Lower subscapular nerve
- D.
Musculocutaneous nerve
Correct Answer
C. Lower subscapular nerve -
- 37.
Teres Major - Function
- A.
Extention, Lateral rotation & Horizontal abduction of the arm at the shoulder jt.
- B.
Extention, Adduction & medial rotation of arm at shoulder jt.
- C.
Extention, Lateral rotation & Horizontal abduction of the arm at the shoulder jt.
- D.
Flexion of the forearm at the elbow jt.
Correct Answer
B. Extention, Adduction & medial rotation of arm at shoulder jt. -
- 38.
Latissmus Dorsi - Origin
- A.
Spinous process T7-L5, Crests of Ilium & sacrum, lowest 4 ribs
- B.
Spinous process T5- L7, ASIS and lowest 9 ribs.
- C.
Coracoid process, first 9 ribs & Costocartilage of ribs 3-5.
- D.
Distal anterior surface of humerus
Correct Answer
A. Spinous process T7-L5, Crests of Ilium & sacrum, lowest 4 ribs -
- 39.
Latissmus Dorsi - Insertion
- A.
Ulnar tuberosity, coronoid process of the ulna.
- B.
Radial Tuberosity of the ulna & bicipital aponeurosis
- C.
Floor of intertubercular sulcus of humerus
- D.
Olecranon process of Ulna
Correct Answer
C. Floor of intertubercular sulcus of humerus -
- 40.
Latissmus Dorsi - Innervation
- A.
Thoracodorsal nerve
- B.
Lower subscapular
- C.
Musculocutaneous nerve
- D.
Radial Nerve
Correct Answer
A. Thoracodorsal nerve -
- 41.
Latissmus Dorsi - Function
- A.
Flexion of the forearm at the elbow jt, supination of the
- B.
Extention, Adduction, medial rotation of arm at shoulder joint
- C.
Flexion of the forearm at the elbow jt.
- D.
Pronation of forearm at radioulnar jts. Flexion of forearm at
Correct Answer
B. Extention, Adduction, medial rotation of arm at shoulder joint -
- 42.
Biceps Brachii - Origin
- A.
Short head: Coracoid Process of scapula; long head: Supraglenoid tubercle of the Scapula.
- B.
Coracoid process
- C.
Distal anterior surface of humerus
- D.
Humeral head: medial epicondyle of humerus (via common flexor tendon) Ulnar Head: Coronoid process of Ulna
Correct Answer
A. Short head: Coracoid Process of scapula; long head: Supraglenoid tubercle of the Scapula. -
- 43.
Biceps Brachii - Insertion
- A.
Inferior facet of greater tubercle of humerus
- B.
Middle of the medial shaft of humerus
- C.
Radial Tuberosity of the ulna & bicipital aponeurosis
- D.
Base of 2nd & 3rd metacarpals
Correct Answer
C. Radial Tuberosity of the ulna & bicipital aponeurosis -
- 44.
Biceps Brachii - Innervation
- A.
Ulnar Nerve
- B.
Musculocutaneous nerve
- C.
Radial Nerve
- D.
Median Nerve
Correct Answer
B. Musculocutaneous nerve -
- 45.
Biceps Brachii - Function
- A.
Flexion of forearm at elbow jt, Supination & Pronation of forearm at radioulnar jt.
- B.
Flexion of the arm at the elbow jt, flexion of the hand at the wrist jt
- C.
Flexion, Adduction & Horizontal adduction of arm at shoulder jt.
- D.
Flexion of the forearm at the elbow jt, supination of the forearm at the radioulnar joints, flexion & Horizontal adduction of arm at shoulder jt.
Correct Answer
D. Flexion of the forearm at the elbow jt, supination of the forearm at the radioulnar joints, flexion & Horizontal adduction of arm at shoulder jt. -
- 46.
Coracobrachialis - Origin
- A.
Coracoid process
- B.
Distal anterior surface of humerus
- C.
Medial epicondyle of humerus (via commmon flexor tendon)
- D.
Proximal anterior surface of Ulna, Interosseous membrane
Correct Answer
A. Coracoid process -
- 47.
Coracobrachialis - Insertion
- A.
Radial Tuberosity of the ulna & bicipital aponeurosis
- B.
Middle of the medial shaft of humerus
- C.
Olecranon process of Ulna
- D.
Middle & distal phalanges of little finger (via it's dorsal digital expansion)
Correct Answer
B. Middle of the medial shaft of humerus -
- 48.
Coracobrachialis - Innervation
- A.
Median (lat. Half) & Ulnar (medial half) Nerves
- B.
Median Nerve
- C.
Radial Nerve
- D.
Musculocutaneous nerve
Correct Answer
D. Musculocutaneous nerve -
- 49.
Coracobrachialis - Function
- A.
Flexion, Adduction & Horizontal adduction of arm at shoulder jt.
- B.
Flexion of the forearm at the elbow jt.
- C.
Flexion of thumb at CMC, MCP & IP jts., Flexion of hand at wrist jt.
- D.
Extention of the digits #2-5 at MCP, PIP, DIP jts & extention of the hand at the wrist jt.
Correct Answer
A. Flexion, Adduction & Horizontal adduction of arm at shoulder jt. -
- 50.
Brachialis - Origin
- A.
Coracoid process
- B.
Distal anterior surface of humerus
- C.
Pronator tubercle (mid-lateral surface of radius)
- D.
Palmar aponeurosis and flexor retinaculum
Correct Answer
B. Distal anterior surface of humerus -
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Mar 08, 2013Quiz Edited by
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