Exam Muscles Flashcards Preview

Muscles Year 2 > Exam Muscles > Flashcards

Flashcards in Exam Muscles Deck (22):
1

Biceps

O
-short head=coracoid
-long head=supraglenoid tubercle
I
Bicipital aponeurosis and radial tuberosity
A
Flexion and supination
I
Musculocutaneous C5-C6
TrP
Over itself and it’s insertions and anterior shoulder

2

Triceps

O
Long head=infraglenoid tubercle
Lateral head=posterior humeral shaft above radial groove
Medial head=posterior humeral shaft below radial groove
I
Olecranon process
A
Extension at elbow and shoulder
I
Radial nerve C6-C8
TrP
Posterior arm, shoulder and forearm as well as over upper traps

3

Delts

O
Lateral third of clavicle, acromion and spine of scapula
I
Deltoid tubercle
A
Abduction, internal rotation and flexion, external rotation and extension
I
Axillary nerve C5-C6
TrP
Over deltoid region

4

Lats

O
Spinous processe/tubercles of T6-S5 along with the supra and intra spinous ligaments from T6-S5, iliac crest and the posterior surfaces of the lower 4 ribs
I
Inferior angle of scapula and the Middle groove on anterior humerus (via a twisted tendon)
A
Adduction, extension and medial rotation of humerus. Aids breathing
I
Thoracodorsal nerve C6-C8
Trp
Down posterior arm, inferior angle of scap, anterior shoulder and lateral hip

5

Upper traps

O
C7 SP and aupraspinous ligament, EOP, superior nuchal line, ligamentum nuchae
I
Posterior border of lateral 1/3 of clavicle
A
Ipsilateral lateral flexion, contralateral rotation, extension, shoulder shrug
I
Accessory nerve and ventral rami C3-C4
TrP
Over themselveves, up back and side of neck, into jaw and temporal region and over orbit

6

Serratus anterior

O
external surfaces of upper 8-9 ribs with fleshy interdigitations
I
Anterior medial border of scap
A
Protracts scap, upward rotation of scap
I
Long thoracic nerve C5-C7
TrP
In arm pit, inner arm all the way down, lateral pec region and between scap

7

FCR

O
Medial epicondyle and antebrachial fascia
I
Long thin tendon from mid forearm to base of second and third metacarpal on Palmer side
A
flexion and radial deviation
I
Median nerve C6-C7
Muscle test
Flexion and radial deviation and try bring back to centre
TrP
Over insertion and around that region

8

Teres major

O
Inferior angle of scap
I
Medial lip of bicipital groove
A
Extension and medial rotation
I
Lower subscapular nerve C5-C7
Muscle test
Internally rotate scap in supine position and push down to table over elbow
TrP
Deltoid region and down posterior arm

9

Pronator teres

O
Humeral head=Medial epicondyle and antebrachial fascia
Ulnar head=medial coronoid process
I
Lateral surface of radius mid way along shaft at summit of lateral curve
A
Pronation and weak flexion
I
Median nerve C6-C7
Muscle test
45 degree elbow flexion and full pronation. Try supinate while supporting elbow
TrP
Over itself and into lateral arm and anatomical snuff box

10

Rhomboids

O
Minor=SP of C7-T1
Major=SP of T2-T5
I
Minor=medial border at base of spine of scap
Major=medial border between inferior angle and spine of scap
A
Scapular retraction and stabilisation
I
Dorsal scapular nerve C4-C5
Muscle test
Rhomboids are thumbs down
TrP
Medial border of scap and between them

11

Levator scapulae

O
Posterior tubercles of C1-C4 TVP’s
I
Medial border between superior angle and spine of scap
A
Depresses point of shoulder, ipsilateral rotation and lateral flexion of neck
I
Dorsal scapular nerve and ventral rami C3-C4
Muscle test
Extend, and ipsilaterally rotate and lateral flex head then try abduct arm from 20 degrees
TrP
Over itself and up back of neck and slightly out to the posterior delt region

12

Supraspinatus

O
Medial 2/3 of supraspinous fossa
I
Upper facet greater tubercle of humerus
A
First 20 degree abduction
I
Suprascapular nerve C5-C6
TrP
Deltoid region, down side of arm, and elbow

13

Infraspinatus

O
Infraspinous fossa
I
Middle facet of greater tubercle
A
External rotation
I
Suprascapular nerve C5-C6
TrP
Delt region and down side of arm as well as between scapula

14

Teres minor

O
Upper 2/3 of lateral border
I
Lower facet of greater tubercle
A
External rotation and weak adduction
I
Axillary C5-C6
TrP
Posterior delt and back of upper arm

15

Subscapularis

O
Medial 2/3 of subscapular fossa
I
Lesser tubercle
A
Internal rotation
I
Upper and lower subscapular nerves C5, C6
TrP
Posterior delt region and back of upper arm and round wrist

16

Middle traps

O
T1-T5 SP and supraspinous ligaments
I
Spine of scap and acromion
A
Retract and stabilise scap
I
Accessory nerve and ventral rami C3-C4
Muscle test
Thumbs up
TrP
Up along neck into occipital region, along spine of scap, between scap, and triceps area

17

Lower traps

O
T6-T12 SP and supraspinous ligaments
I
Inferior spine of scap
A
Retraction and stabilisation of scap
I
Accessory nerve and ventral rami C3-C4
TrP
Same as middle traps

18

Corachobrachialis

O
Coracpid process
I
Mid section of medial humeral shaft
A
Flexion and horizontal adduction of arm
I
Musculocutaneous nerve C5-C7
Muscle test
Hand over ear and doctor pulls down on elbow to abduct and extend arm
TrP
Anterior and middle delt region, down the back of arm into hand

19

Pec minor

O
External surfaces of ribs 3-5 near cartilage
I
Coracoid process
A
Draws scap forward and depresses point of shoulder
I
Medial and lateral pectoral nerves C5-T1
TrP
Pec region, anterior shoulder and medial arm

20

Pec major

O
clavicular head=medial 1/2 of clavicle

sternal head=
-anterior surface of sternum
-manubrium
-upper 6 intercostal cartillage
-rib 6
-external obliques aponeurosis
I
Lateral lip of bicipital groove
A
All fibres=adduction and medial rotation at shoulder
Clavicular fibres=flexion at the shoulder
Sternal fibres=extends the flexed arm at the shoulder
I
Medial and lateral pectoral nerves C5-T1
Muscle test
Clavicular=arm straight up, sternal= arm at 120 degrees
TrP
Over chest and anterior shoulder, medial arm and medial elbow

21

Supinator

O
Lateral epicondyle
Annular ligament
Radial collateral ligament
Supinator crest of ulna

I
Lateral proximal 1/3 of radius

I
Posterior interosseous branch of Radial nerve C6-C7

A
Supination

Test
Fully flex arm into the opposite of the swan position then try bring it out into Swan position

22

Brachioradialis

O
Lateral supracondylar ridge
Intramuscular septum

I
Distal lateral radius

I
Radial nerve C5-C6

A
Flexion

Muscle test
Same as biceps but arm not supinated