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Muscles of upper limb

Write down origin and insertion, innervation and action of said muscle.
Quiz by Wrang
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Last updated: February 5, 2024
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First submittedFebruary 5, 2024
Times taken11
Average score22.9%
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Answer
Pectoralis major origin
clavicle
sternum
manubrium
upper 6 costal cartialges
Pectoralis major insertion
bicipital groove on humerus
Pectoralis major nerve
pectoral nerves
C5 - T1
Pectoralis major action
Adduction
medial rotation
flexion
extend flexed humerus
Pectoralis minor origin
external surface of ribs 3 - 5
Pectoralis minor insertion
Coracoid process
Pectoralis minor nerve
pectoral nerve
C8 - T1
Pectoralis minor action
pulls scapula anteriorly
Supraspinatus origin
supraspinous fossa of scapula
Supraspinatus insertion
greater tubercle of humerus
Supraspinatus nerve
suprascapular nerve
C5 - C6
Supraspinatus action
abduction
Infraspinatus origin
infraspinous fossa of scapula
Infraspinatus insertion
greater tubercle of humerus
Infraspinatus nerve
suprascapular nerve
C5 - C6
Infraspinatus action
Lateral rotaion
stabilization of shoulder joint
Deltoid origin
clavicle
acromion process
spine of scapula
Deltoid insertion
deltoid tuberosity of humerus
Deltoid nerve
axillary nerve
C5 - C6
Deltoid action
abduction
flexion
medial rotation
lateral rotation
extension
Teres minor origin
lateral border of scapula
Teres minor insertion
greater tubercle
Teres minor nerve
axillary nerve
C5 - C6
Teres minor action
lateral rotation
Biceps brachii origin
Coracoid process
supraglenoid tubercle
Biceps brachii insertion
radial tuberosity
bicipital aponeurosis
Biceps brachii nerve
musculocutaneous nerve
C5 - C6
Biceps brachii action
Flexion
supination
Triceps brachii origin
infraglenoid tubercle
superior to radial groove
inferior to radial groove
Triceps brachii insertion
olecranon process
deep fascia of forearm
Triceps brachii nerve
radial nerve
C6 - C8
Triceps brachii action
extension
adduction
stabilization of shoulder joint
Subscapularis orgiin
subscapular fossa
Subscapularis insertion
lesser tubercle
Subscapularis nerve
Upper and lower subscapular nerve
C5 - C7
Subscapularis action
medial rotaion
adduction
stabilization of shoulder
Pronator teres origin
medial supracondylar ridge
medial epicondyle
pronator ridge
coronoid process
Pronator teres insertion
middle of the lateral surface of the radius
 
Pronator teres nerve
median nerve
C6 - C7
Pronator teres action
pronation
weak flexion
Supinator origin
lateral epicondyle
radial collateral ligament
annular ligament
supinator crest
Supinator insertion
posterior aspect of radius
lateral aspect of radius
anterior aspect of radius
Supinator nerve
radial nerve
C5 - C6
posterior interosseous
Supinator action
supination
 
Brachioradialis origin
lateral supracondylar ridge
Brachioradialis insertion
lateral surface of radius
above styloid process
Brachioradialis nerve
radial nerve
C5 - C6
Brachioradialis action
flexion
eccentric contraction during extension
stabilization of elbow
1 Comments
izna
+1
Level 69
Feb 5, 2024
Check out the osteology quizzes I made
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