Infraspinatus Anatomy: Origin, Insertion & Action

⭐ Infraspinatus Muscle Anatomy ⭐
💪 Origin: Infraspinous fossa of the scapula
💪 Insertion: Greater tubercle of the humerus
💪 Action: Adduction of arm, shoulder extension, external rotation of the arm, stabilisation of the glenohumeral joint.
💪 Innervation: Suprascapular nerve
💪 Artery: Suprascapular and circumflex scapular arteries

Rotator cuff anatomy video: Rotator Cuff Anatomy: Origin, Inserti...

Chapters
0:00 - Intro
0:18 - Infraspinatus location
0:13 - Origin
0:19 - Insertion
1:29 - Infraspinatus surface anatomy
1:58 - Infraspinatus actions overview
2:09 - Muscle action external/lateral rotation
2:36 - Muscle action extension
2:42 - Muscle action adduction
3:05 - Muscle action humeral stabilisation
3:21 - Outro
3:29 - Infraspinatus origin, insertion & action summary image

⭐ If you would like some help memorising this information, be sure to check out the free muscle study flashcards on bodyworksprime.com

⭐ More details about the infraspinatus can be found at: https://bodyworksprime.com/infraspina...

#BodyworksPrime #Anatomy #Infraspinatus

• #education
• #infraspinatus
• #origin
• #insertion
• #action
• #anatomy
• #physiology
• #muscle