High Yeild Points from the Muscle Tables and Anatomy Labs 1-5

Where does the triceps insert?

The olecranon

What innervates the teres major?

Lower subscapular nerve

Which muscle originates from the lateral supracondylar ridge of the humerus and inserts on the base of the 2nd metacarpal?

Extensor carpi radialis longus

Which muscle inserts on the pisiform bone?

Flexor carpi ulnaris

Which muscle originates from the supraglenoid tubercle of the scapula?

Biceps brachii long head

Which muscles originate from the hook of the hamate

flexor digiti minimi brevis, opponens digiti minimi, abductor digiti minimi

Which muscle has opposite side rotation of the head

Semispinalis

The dorsal scapular nerve innervates the

Levator scapulae and rhomboid minor and major

What innervates the subscapularis?

Upper and lower subscapular nerves

What innervates the teres major

Lower subscapular nerve

What flexes proximal interphalangeal (PIP) joints, assists in wrist flexion

Flexor digitorum superficialis

The extensor carpi radialis brevis actions

Extends wrist and abducts the hand

What extends the MCP joints and assists with wrist extension

Extensor digitorum

What flexes the elbow, supinates the forearm and assists in shoulder flexion

Biceps brachii

What flexes the elbow, especially mid-pronation

Brachioradialis

The medial epicondyle of the humerus serves as the common origin for which general muscle group?

Wrist and finger flexors

Action of the rhomboid minor and major?

Retracts and rotates the scapula downward

Actions of the coracobracialis ?

Adducts and flexes the humerus

Palmaris longus action

Flexes wrist

What’s the action of gen extensor campus radialis kongus and brevis?

Extend and abduct wrist

What’s are actions of the extensor carpi ulnaris

Extends and adducts the wrist

What are the actions of the flexor digitorum superficialis

Flexes the PIP and MCP joints of digits 2-5 and wrist flexion

Where do the biceps brachii insert?

Radial tuberosity

Other than the extensors, what else originates from the lateral epicondyle

Supinator

What does the deep branch of the radial nerve innervate?

Supinator and the extensor carpi radialis brevis

What does the anterior interosseous nerve innervate?

Flexor pollicis longus, pronator quadratus, and lateral half of the digitorum profundus (digits 2-3)

What is the flexor pollicis longus innervated by?

Anterior interosseous nerve

What’s the pronator quadratus innervated by

AIN

What’s the lateral half of the flexor digitorum profundus (digits 2-3) innervated by

AIN

What innervates the extensor carpi radialis brevis?

Deep branch of the radial nerve

What is the Supinator innervated by

Deep branch of the radial nerve

What does the radial nerve innervate?

Triceps and brachioradialis

What innervated the brachioradialis?

Radial nerve (proper)

The posterior interosseous never is an extension of the…

Deep branch of the radial nerve

All of the extensors and abductor pollicis longus are innervated by the ____

Posterior interosseous nerve

What innervates the pronator teres

median nerve

What innervates the flexor carpi radialis

Median nerve

What innervates the palmaris longus

Median nerve

What innervates the flexor digitorum superficialis

Median nerve

What does the median nerve innervate

Pronator teres, flexor carpi radialis, palmaris longus, and flexor digitorum superficialis

The anterior interosseous nerve is a branch of the

Median nerve

What’s pectoralis minor innervated by

Medial pectoral nerve

What innervates the pectoralis major

Medial and lateral pectoral nerves

If the long thoracic nerve is injured, what will happen?

Winged scapula due to seratus anterior not working properly

Actions of the lats?

Exten

What innervates the coracobracialis?

Musculocutaneous nerve

What does the dorsal scapular nerve innervate

Levator scapulae, rhomboid minor and major

Actions of the pectoralis major?

Adducts, flexes, and medially rotates the humerous

What protracts and upwardly rotates the scapula

Seratus anterior

Actions of the lats?

Extends, adducts, and medially rotates of humerus

The brachialis is a

Pure flexor

Flexor carpi radialis actions

Flexes and abducts the wrist

Flexor carpi ulnaris actions

Flexes and adducts the wrist

What innervates the transversus thoracis muscle

Intercostal nerves

Axillary → Brachial artery at where

• 
  

  • Inferior border of teres major

What comes off the of the first part of the Axillary artery (proximal to pectoralis minor)

Superior thoracic artery

what comes off the second art of the Axillary artery

• Thoracoacromial artery

• Lateral thoracic artery

What’s on the third part of the Axillary artery

• Deep artery of arm (profunda brachii)

• Superior ulnar collateral artery

• Inferior ulnar collateral artery

• Radial artery
  

  • Radial recurrent artery

• Ulnar artery

Median cubical vein connects

Cephalic and basilic veins in the cubital fossa

medial arm → joins brachial veins to form axillary vein

Basic vein

lateral arm → drains into axillary vein

Cephalic vein

Radial recurrent artery anastomosese with the

Radial collateral artery

The superficial palmar branch of the radial artery contributes to the

Palmar arch

superficial palmar arch mainly comes from the

Ulnar artery and is completed by the superficial palmar branch of the radial artery

The deep palmar arch is mainly from the

Radial artery and is completed by the deep palmar branch of the ulnar artery

The posterior interosseous artery supplies the

Posterior forearm

The anterior interosseous artery supplies the

Deep compartment of the anterior forearm

The great cardiac vein pours into the

Coronary sinus

The middle cardiac vein pours into the

Coronary sinus

The small cardiac vein pours into the

Coronary sinus

The right atrium receives deoxygenated blood from the

Superior vena cava, inferior vena cava and coronary sinus

Anterior intercostal veins → ______ → Brachiocephalic vein → Superior vena cava → Right atrium

Internal thoracic vein

Anterior intercostal veins → Internal thoracic vein → Brachiocephalic vein → Superior vena cava → _____

Right atrium

Anterior intercostal veins → Internal thoracic vein → _______ → Superior vena cava → Right atrium

Brachiocephalic vein

Left coronary artery gives off the

Anterior interventricular branch and circumflex branch

What are the branches of the right coronary artery

SA nodal branch, Right marginal branch, Posterior interventricular artery

The teres major has the same actions as the

Latissimus dorsi

Actions of the teres major

Adduction, extension of the arm, and medial rotation

Medial border of the anatomical snuff box

Extensor pollicis longus tendon

Lateral border of the anatomical snuff box

Poximal border of the anatomical snuff box