Scapular Region and Posterior Arm Flashcards by Adaugo C | Brainscape

Q

What are the attachments of the deltoid?

A

Proximal: Lateral 1/3 clavicle

Distal: Deltoid tuberosity of humerus

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Q

What innervates the deltoids?

A

axillary nerve

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Q

Attachments of Supraspinatous

A

Proximal: Supraspinous fossa of scapula

Distal: Greater tubercle of humerus

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Q

What innervates Supraspinatous?

A

Suprascapular nerve

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Q

What are the attachments of Infraspinatus

A

Proximal: Infraspinous fossa of scapula

Distal: Greater tubercle of humerus

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Q

What are the innervations of Infraspinatous?

A

Suprascapular nerve

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Q

Attachment of Teres major

A

Proximal: Inferior angle of scapula

Distal: Intertubercular sulcus of humerus

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Q

innervations of Teres major

A

Lower subscapular nerve

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Q

attachments of Teres minor

A

Proximal: Lateral border of scapula

Distal: Greater tubercle of humerus

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Q

what innervates Teres minor?

A

Axillary nerve

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Q

What are the attachments of subscapularis

A

Proximal: Subscapular fossa

Distal: Lesser tubercle of humerus

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Q

innervations of subscapularis

A

upper/lower subscapular nerves

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Q

Attachments for long head, medial, lateral head

A

Proximal: Long head = infraglenoid tubercle of scapula

Medial head and Lateral head = posterior humerus

Distal: Olecranon of ulna

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Q

innervation of Long head Medial head Lateral head

A

Radial nerve

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Q

actions of the deltoid

A

Abducts, flexes and extends the arm

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Q

actions of Supraspinatus

A

initiates arm abduction

Q

actions of infraspinatous

A

laterally rotates arm

Q

actions of Teres major

A

adducts and medially rotates arm

Q

actions of Teres minor

A

laterally rotates arm

Q

actions of Subscapularis

A

medially rotates arm

Q

actions of Long head

A

extends arm

Q

actions of long head, medial head and lateral head

A

extends forearm