Shoulder flexors

Question 1

what muscles Flex the shoulder

Answer 1

• Pec Major
• Biceps
• Deltoid
• Coracobrachialis

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Question 2

Origin and Insertion of Pec Major

Answer 2

origin - lateral lip of the intertubercular groove of humerous
insertion - Medial half of clavicle

Question 3

Origin and Insertion of Biceps brachii

Answer 3

long head
origin - supraglenoid of the scapula
insertion - radial tuberosity and bicipital aponeurois
short head
origin - coracoid process
insertion - radial tuberosity

Question 4

Origin and Insertion of Deltoids

Answer 4

Anterior
origin - lateral third of clavicle
insertions - deltoid tuberosity
Middle
origin - acromion
insertion - deltoid tuberosity
posterior
origin - scapular spine
insertion - deltoid tuberosity

Question 5

Origin and Insertion of Coracobrachiallis

Answer 5

origin - coracoid process of scapula
insertion - medial surface and border of the humerus