Muscles of the Upper Limb Flashcards by Hugh Murray

What is the origin of the brachialis muscle?

Ant aspect of the distal half of the shaft of the humerus

How well did you know this?

Not at all

Perfectly

What is the insertion of the FDS?

Four tendons, one in each middle phalanx

How well did you know this?

Not at all

Perfectly

What is the insertion of the supraspinatus muscle?

Superior facet of the greater tubercle of the humerus

How well did you know this?

Not at all

Perfectly

What is the attachment of the long head of the triceps?

Infraglenoid tubercle

How well did you know this?

Not at all

Perfectly

What is the origin of flexor pollicis longus?

Shaft of radius and adjacent interosseous membrane

How well did you know this?

Not at all

Perfectly

What is the origin of FDS

Medial epicondyle

Both ulna and radius

How well did you know this?

Not at all

Perfectly

Why is their a bare patch in the synovial sheaths of the FDS and FDP tendons?

That space gives rise to the lumbrical muscles

How well did you know this?

Not at all

Perfectly

Where does the FCR insert?

2nd and 3rd metacarpals

How well did you know this?

Not at all

Perfectly

Where does ECRL and B insert?

2nd and 3rd metacarpals posteriorly

How well did you know this?

Not at all

Perfectly

What happens when both the ECRL and B, and FCR contract?

Radial deviation

How well did you know this?

Not at all

Perfectly

Which flexors on the forearm insert onto metacarpals?

Flexor carpi radialis

Flexor carpi ulnaris

How well did you know this?

Not at all

Perfectly

What are the names of the muscles that make up the hypothenar muscle?

(… One For All)

Opponens digiti minimi

Flexor digiti minimi

Abductor digiti minimi

How well did you know this?

Not at all

Perfectly

What is the origin of the coracobrachialis muscle?

Coracoid process of the scap

How well did you know this?

Not at all

Perfectly

What movements does the teres major allow?

Adduction

Medial rotation

How well did you know this?

Not at all

Perfectly

What are the muscles that make up the thenar muscle?

(All For One And…)

Abductor pollicis brevis

Flexor pollicis brevis

Opponens pollicis

Adductor pollicis``

How well did you know this?

Not at all

Perfectly

What is the insertion and origin of the subclavius?

Origin: 1st Rib

Insertion: Inferior surface of clavicle

How well did you know this?

Not at all

Perfectly

What is the function of the subclavius?

Stabilise the clavicle

How well did you know this?

Not at all

Perfectly

What movement does the brachioradialis muscle allow?

Flexion of elbow

How well did you know this?

Not at all

Perfectly

What makes up the superficial palmar arterial arch?

It’s started by the ulnar artery and finished by the radial artery

How well did you know this?

Not at all

Perfectly

What is the origin and course of the long head of the bicep?

Originates in the supraglenoid tubercle

Traverses over the head of the humerus, within the capsule and out through the bicepital groove

How well did you know this?

Not at all

Perfectly

What is the insertion of the deltoid?

Deltoid tuberosity on humerus

How well did you know this?

Not at all

Perfectly

Where does the FDS lie in relation to the FCU and FCR?

Underneath

How well did you know this?

Not at all

Perfectly

What is the configuration of the tendons of the FDS?

Tendons of the 3rd and 4th fingers ontop of the tendons of the 2nd and 5th fingers.

How well did you know this?

Not at all

Perfectly

Where do the extensors of the thumb originate?

Shaft of ulnar and adjacent interosseous membrane

How well did you know this?

Not at all

Perfectly

What are the borders of the palmar aponeurosis?

Flexor aproneurosis proximally Slips into the bases of the each of the 4 fingers

Describe the insertion of the flexor carpi ulnaris

Pisiform bone is in its tendon on its way to the 5th metacarpal

Which of the lumbrical muscles are dual bellied?

3rd and 4th fingers

What is the attachment of the lateral head of the tricep?

Linear attachment on the posterior shaft of the humerus

Which nerves supplies the serratus anterior?

Long thoracic nerve

What is the course of the lumbrical muscle?

From the FD tendon on the metacarpals Around the radial side of the 4 fingers Onto the tendon of the ED

What bones make up the pectoral girdle?

Scapula and Clavicle

What are the origins of the deltoid?

Spine of the scapula Acromium Clavicle

How does the pattern of FDS and FDP's tendons differ in their traversal of the carpal tunnel

FDP's tendon line is a line of 4, deep to the tendons of FDS which lie in pairs, 2 ontop of each other.

What is the extra origin of the FCU?

Subcutaneous border of the ulna

What happens when ECU and FCU both contract?

Ulnar deviation

What divides the extensor tendons?

Divisions that come down from the extensor retinaculum

Where does the serratus anterior run?

Beneath the scapula

What type of sheaths by the FDS and FDP have in the hand?

Synovial and fibrous

What is the insertion of the pectoralis minor?

Coracoid process

What are the muscle attaching the pectoral girdle to thoracic wall anteriorly?

Pectoralis major Pectoralis minor Subclavius Serratus Anterior

Where does the brachioradialis muscle insert?

Styloid process of the radius

What does the adductor pollicis muscle share a plane with?

The deep neurovascular plane

Which fibres of the pectoralis major overlie the other fibres?

Clavicular fibres overlie the sternocostal

Which nerve supplies the deltoid muscle?

Axillary

What is the function of the pectoralis minor?

Stabilise scapula Accessory muscle of respiration

What are the three muscles of the deep posterior compartment of the forearm?

Anconeus Supinator Extensor indicis

Describe the EDM muscle belly?

It shares its proximal belly with ED

What is the origin of the teres major?

Posterior surface of the inferior angle of the scapula

7 layers of the palmar aspect of the hand, go!

Skin and palmaris brevis Palmar aponeurosis Thenar and hypothenar muscle Neurovascular plane Tendon of the distal flexors and lumbricals Adductor pollicis and neurovascular plane Interosseous muscles and metacarpals

What movements happen at the elbow?

Flexion/Extension Supernation/Pronation

What is the name of the deepest head of the triceps?

Medial head

What are the muscles that attaches the scapula to the humerus?

Teres major Deltoid Supraspinatus Infraspinatus Subscapularis Teres minor

What are the muscles that connect the pectoral girdle to trunk posteriorly?

Trapezius Rhomboids Latissimus dorsi Levator scapulae

What are the 5 muscles of the superficial, flexor compartment of the forearm?

Pronator teres Flexor carpi radialis Palmaris longus Flexor digitorum superficialis Flexor carpis ulnaris

Where do the hypothenar and thenar muscle arise from?

Flexor retinaculum and carpal bones

What are the attachment of the flexor retinaculum?

**S**caphoid **T**rapezium Hook **o**f Hamate **P**isiform

How can you tell f/e from ab/add of the thumb?

F/E is in the same plane as the hand

What happens when the long thoracic nerve is damaged?

Winged scapula

What is the insertion of the infraspinatus muscle?

Middle facet of the greater tubercle of the humerus

How often is the extensor indicis identified?

Rarely

What is the insertion of the subscapulae muscle?

The lesser tubercle of the humerus

Where does the medial head of the triceps originate?

Posterior shaft of the humerus

What is the insertion of FPL?

Distal phalanx of the thumb

When does the biceps supinate?

When the elbow is flexed

What movement does the palmar interosseous muscle allow?

Palmar interosseous muscle ADduct (PAD)

What is the origin of the adductor pollicis?

Shaft of the 3rd metacarpal

What is the insertion of the brachialis muscle?

Coranoid process of the ulnar

Where does the pectoralis major muscle insert?

Lateral lip of the bicepital groove

What is the extra origin of the FDS?

Radius

Around which side of the phalanges does the lumbrical tendon run?

Radial side

What is the insertion of the teres major?

Medial lip of the intertubercular sulcus of the humerus

How can you find the superficial palmar arterial arch?

It runs on the distal plane of the out stretched thumb

What is the course of the anconeus muscle?

Ula to the lateral epicondyle

What is the name of the two superficial heads of the triceps?

Lateral Long

Which superficial flexors have more than one origin?

Pronator teres Flexor digitorum superficialis Flexor carpi ulnaris

Name the nine superficial extensors of the forearm

Brachioradialis Extensor carpi radialis longus Extensor carpi radialis brevis Extensor carpi ulnaris Extensor digitorum Extensor digiti minimi Extensor pollicis longus Extensor pollicis brevis Abductor pollicis longus

What is the function of the serratus anterior?

Protraction the scapula

Which muscle initiates abduction of the humerus?

Supraspinatus

Which superficial extensors originate at the lateral supracondylar ridge?

Brachioradialis Extensor carpi radialis longus

Are there more dorsal or palmar interosseous muscles?

Dorsal

Where does the triceps insert?

Olecranon of ulnar

What is the origin of the serratus anterior?

Lateral aspect of ribs 1-8

What does the short head of the bicep originate?

Coracoid process of scap

T/F the palmar aponeurosis covers the hypothenar muscle but not the thenar muscle

False, it doesn't cover either of them

What is the origin of the FDP?

Shaft of ulna and adjacent interosseous membrane

Describe the palmar longus?

It has a small belly and long tendon \> heading towards extinction

What movement do the dorsal interosseous muscle allow?

Dorsal interosseous muscles ABduct (DAB)

What is the insertion of the teres minor?

The inferior facet of the greater tubercle of the humerus

Which superficial extensors originate from the lateral epicondyle?

Extensor carpi radialis brevis Extensor digitorum Extensor digiti minimi Extensor carpi ulnaris

What is best way to look for the supinator muscle?

Look for the muscle that obsures the proximal shaft of the radius

What is the insertion of ECU?

5th metacarpal

What runs between the two heads of the supinator?

The neural supply of the posterior compartment of the forearm

Which muscles tendons run between the superficial palmar arterial arch and the adductor pollicis?

The FDS and FDP tendons

Where do the interosseous muscle insert?

ED tendon

Which muscle laterally rotate the humerus?

Infraspinatus Teres minor

What are the major actions of the pectoralis major?

Horizontal adduction Medial rotation of the humerus Accessory muscle of respiration

What is the course of the EPL's tendon?

It goes the "long" way - through the extensor retinaculum and back to the thumb

What are the 3 deep muscles in the flexor compartment?

Pronator quadratus Flexor digitorum profundus Flexor pollicis longus

T/F Dupuytren's contractor is due to a thickening of the deep flexor tendons

False, it's a thickening of the palmar aponeurosis

Where the origins of the pectoralis major?

Clavicular Sternocostal

Where does the serratus anterior insert?

Vertebral border of the scapula

What are the muscles of the anterior compartment of the arm?

Coracobrachialis Biceps Brachialis

What is the origin of the pectoralis minor?

Ribs 3-5

What are the movement of the thumb?

Flexor/extend Abduct/adduct Opposition/reposition

What is the common origin of the flexors of the forearm?

Medial epicondyle

What is the insert of the coracobrachialis?

Mid humerus

What is the insertion of FDP?

Distal palanx of 4 fingers - tendons bursts through the tendon of the FDS

Which muscles form the medial border of the forearm?

FCU ECU

What movement do the lumbrical muscles allow?

Wave bye bye

Where does pronator teres insert?

Mid point of the shaft of the radius

Where does the ED insert?

Tendons for fingers 2 to 4 posteriorly, each finger gets 3 tendons, one for each phalanx

Muscles of the Upper Limb Flashcards

(111 cards)