Glenohumeral Joint

Question 1

Name the actions, origins and insertions of the supraspinatus

Answer 1

Origin: supraspinatus fossa
Insertion: greater tuberosity of humerus
Function: abduction of Glenohumeral joint

Question 2

Name the actions, origins and insertions of the Middle Deltoid

Answer 2

Origin: acromium of the scapula
Insertion: common tendon on the deltoid tuberosity
Function: abduction

Question 3

Name the actions, origins and insertions of the Latissimus Dorsi

Answer 3

Origin: T7 - T12
Insertion: interbucercular sulcus of humerus
Function: Adduction, medial rotation and extension of shoulder

Question 4

Name the actions, origins and insertions of the Teres Major

Answer 4

Origin: posterior aspect of info error angle of scapula
Insertion: crest of lesser tuberosity
Function: adduction, medial rotation at shoulder

Question 5

Name the actions, origins and insertions of the Coracobrachialis

Answer 5

Origin: coracoid process of scapula
Insertion: middle third of medial humerus
Function: adducts and flexes arm at shoulder

Question 6

Name the actions, origins and insertions of the Coracobrachialis

Answer 6

Origin: coracoid process of scapula
Insertion: middle third of medial humerus
Function: adducts and flexes arm at shoulder

Question 7

Name the actions, origins and insertions of the Pectoralis Major

Answer 7

Origin: clavicules head, sternal body
Insertion: Crest of greater tubercle of humerus
Function: adducts, medially rotates and transversely adducts shoulder

Question 8

Name the actions, origins and insertions of the Anterior Deltoid

Answer 8

Origin: last third of clavicle
Insertion:huméral tuberosity
Function: flexion, medial rotation

Question 9

Name the actions, origins and insertions of the Biceps - long head - lateral

Answer 9

Origin: supraglenoid clavicle
Insertion: tuberosity of the radius
Function: flexion

Question 10

Name the actions, origins and insertions of the Biceps - Short head

Answer 10

Origin: coracoid process
Insertion: tuberosity of radius
Function: flexion

Question 11

Name the actions, origins and insertions of the Triceps - Long head

Answer 11

Origin: Infraglenoid tubercle of scapula
Insertion: Olecranon of Ulna
Function: Extension

Question 12

Name the actions, origins and insertions of the Subscapularis

Answer 12

Origin: subscapularis fossa
Insertion: lesser tuberosity
Function: medial rotation

Question 13

Name the actions, origins and insertions of the Infraspinatus Muscle

Answer 13

Origin: infraspinatus fossa
Insertion: greater tuberosity of humerus
Function: lateral rotation, horizontal abduction

Question 14

name the glenohumeral movements

Answer 14

flexion, extension, lateral rotation medial rotation, abduction, adduction

Question 15

What muscles make up the rotator cuff

Answer 15

infraspinatus, teres minor, subscapularis, supraspinatus.