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G.K Anatomy Flashcards > Anatomy 201 > Flashcards

Anatomy 201 Flashcards

1
Q

Rotator cuff muscles are also known as ______.

Name the muscles:(Mnemonic:SITS)

A

“Musculotendinous cuff
“Supraspinatus
Infraspinatus
Teres Minor
Subscapularis

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2
Q

Supraspinatus is the ______

A

Primary abductor of the arm (0-15 degrees)

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3
Q

Infraspinatus is the ____

A

Main external rotator of the shoulder

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4
Q

Subscapularis is the _____

A

Primary medial rotator of the arm

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5
Q

Rotator cuff muscles have a primary function of stabilizing ____ joint

A

Glenohumeral joint

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6
Q

Which of the muscle of the rotator cuff muscles is the most ruptured?

A

Supraspinatus tendon

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7
Q

Which of the muscle of the rotator cuff is most susceptible to inflammation as in ROTATOR CUFF TENDONITIS?

A

Supraspinatus tendon

This is because it’s tendon always rubs against the coracoacromial joint during abduction

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8
Q

All rotator cuff muscles rotate the arm except ___

A

SUPRASPINATUS

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9
Q

The deltoid muscle is the ____

A

Main abductor of the arm(15-90 degrees)

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10
Q

The ____ part of the deltoid is the strongest part?

A

Middle /ACROMIAL (due to multipennate fibres)

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11
Q

What structures pierce the CLAVIPECTORAL FASCIA?
Mnemonic: CALL

A

Cephalic vein
Acromio-thoracic Artery /Thoracoacromial Artery
Lymphatic of breast and pectoral region to the apical axillary nodes
Lateral pectoral nerve

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12
Q

Borders of Triangle of Auscultation ?

A

Inferolateral part of Trapezius
Upper border of Latissimus Dorsi
Medial border of Scapula

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13
Q

Structures found in the floor of triangle of auscultation?

A

6th rib
7th rib
6th ICS
Rhomboid major

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14
Q

Clinical relevance of triangle of auscultation?

A

Auscultation of pulmonary sounds as the triangle overlies the upper part of the LOWER/INFERIOR LOBE OF THE LUNG

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15
Q

The anterior compartment muscles of the arm are innervated by _____

A

Musculocutaneous Nerve

Brachialis muscle also has innervations from radial Nerve for proprioception

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16
Q

The muscles of the anterior compartment of arm are all involved in ______

A

Flexion

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17
Q

_____ is the primary and most powerful supinator of the forearm

A

BICEPS BRACHII

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18
Q

_____ is the main flexor of the forearm

A

BRACHIALIS

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19
Q

The muscles of the anterior compartment of arm are supplied by ____

A

Muscular branches of brachial artery

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20
Q

The muscle of posterior compartment of the arm-triceps brachii- is innervated by ____ and supplied by____

A

Radial Nerve
Profunda brachii artery

21
Q

Rupture of long head of biceps brachii leads to ____

A

bulge seen on flexing the elbow (POPEYE SIGN)

22
Q

The muscle involved in screwing movements is ____

A

BICEPS BRACHII

23
Q

The brachial plexus passes between which two muscles in the neck?

A

ANTERIOR SCALENE MUSCLE
MEDIAL SCALENE MUSCLE

24
Q

The Roots and Trunks of the brachial plexus are found where?

A

Root of the Neck

25
Q

The Divisions of the brachial plexus is found?

A

Behind the clavicle

26
Q

The cords of the brachial plexus is found in the?

A

Axilla

27
Q

The axillary artery is separated into 3 parts by what muscle?

A

PECTORALIS MINOR MUSCLE

1st- proximal to pectoralis minor
2nd- deep/behind to pectoralis minor
3rd- distal to pectoralis minor

NOTE: Each part number corresponds to the number of branches that each of the parts give. Therefore axillary artery gives 6 branches; Mnemonic: SALSAP

28
Q

At the lower border of ____ muscle, the axillary artery becomes brachial artery?

A

TERES MAJOR MUSCLE

29
Q

The Pisiform bone of the wrist is found in what muscle?

A

Flexor Carpi Ulnaris

30
Q

Ulnar artery and Ulnar Nerve are found _____ to Flexor Carpi Ulnaris’ tendon.

A

Lateral

31
Q

The ________ muscle is absent in 15% of people

A

PALMARIS LONGUS

32
Q

The ____ Nerve is found directly below the tendon of Palmaris Longus

A

Median Nerve

33
Q

The superficial compartment of the anterior forearm share a common flexor origin:

A

Front of the medial epicondyle

34
Q

What is the most medial muscle in the superficial anterior compartment of the forearm ?

A

FLEXOR CARPI ULNARIS

35
Q

What is the most lateral muscle in the superficial anterior compartment of the forearm ?

A

PRONATOR TERES
Also, the smallest muscle in the superficial anterior compartment of the forearm

36
Q

The _____ Nerve passes between the deep and superficial head of the pronator teres?

A

MEDIAN NERVE

37
Q

_____ separates the median Nerve from Ulnar Artery.

A

DEEP HEAD OF PRONATOR TERES

38
Q

The chief gripping muscle is ____

A

Flexor Digitorum Profunda

39
Q

Largest branch of Axillary Artery?

A

Subscapular Artery

40
Q

The ___ and _____ arteries form an anastomostic around the surgical neck of humerus.

A

Anterior and Posterior circumflex arteries

Fracture at surgical neck of humerus cause damage to these arteries

41
Q

Roof of Cubital Fossa:

A
  1. Skin
  2. Superficial fascia containing: cephalic vein, lateral cutaneous nerve of forearm, basilic vein, medial cutaneous nerve of forearm & medial cubital vein
  3. Deep fascia
  4. Bicipital aponeurosis
42
Q

Floor of cubital Fossa:

A

Supinator muscle
Brachialis

43
Q

Contents of Cubital Fossa:

A

Major contents from medial to lateral are;
i. The median nerve
ii. The brachial artery.
The brachial artery bifurcates into the radial and ulnar arteries Deep accompanying veins of the arteries.
iii.The tendon of the biceps brachii muscle.
iv. Radial Nerve; posterior interosseous Nerve

44
Q

Base of Cubital Fossa;

A

Horizontal imaginary line drawn across the medial and lateral epicondyles

45
Q

Medial and Lateral Borders of Cubital Fossa:

A

Medial (Ulnar)
Lateral border of pronator teres muscle
Lateral (radial)
Medial border of brachioradialis muscle.

46
Q

Apex of Cubital Fossa:

A

Meeting point of medial and lateral boundaries

47
Q

Upper triangular space Is bounded by and contains:

A

Teres Major-lower
Long head of triceps-lateral
Teres minor-upper

Circumflex scapular Artery

48
Q

Lower triangular space or triangular interval is bounded by and contains:

A

Medial-long head of triceps
Lateral-humerus
Upper- teres major

Radial Nerve and profunda branchii Artery

49
Q

Quadrangular space is bounded by and contains:

A

Upper-teres minor
Lower- teres Major
Lateral- humerus
Medial- long head of triceps

Posterior circumflex artery and axillary nerve

G.K Anatomy Flashcards (4 decks)

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