Chest and Scapula

Question 1

Trapezius

Answer 1

Origin: Nuchal Line & All Cervical and Thoracic Vertebrae

Insertion: Spine of Scapula, Acromion and Clavicle

Function: Elevation & Depression, Adduction/retraction, Upward rotation of Scapula.
Extends/Laterally Flexes and Rotates Neck

Question 2

Rhomboids Major and Minor

Answer 2

Origin: C7 to T5 Vertebrae

Insertion: Medial border of scapula

Function: Downward Rotation, Adduction/Retraction of Scapula

Question 3

Levator Scapulae

Answer 3

Origin: 4 upper cervical vertebrae

Insertion: Medial Border of Scapula (Upper portion)

Function: Elevation and Downward Rotation of Scapula

Question 4

Serratus Anterior

Answer 4

Origin: 1-8 ribs

Insertion: Medial border of scapula

Function: Upward Rotation, Abduction/Protraction of Scapula

Question 5

Pectoralis Major

Answer 5

Origin: Clavicle, Sternum, costal cartilage, 1st - 7th ribs & External oblique

Insertion: Bicipital Groove

Function: Internal rotation, Adduction and Flexion of arm.

Question 6

Pectoralis Minor

Answer 6

Origin: 3, 4 & 5 rib

Insertion: Corocoid process of scapula

Function: Elevates ribs *to help with Breathing & Protracts Scapula

Question 7

Latissimus Dorsi

Answer 7

Origin: Lumbar Vertebrae, Lower Thoracic Vertebrae, Iliac Crest and Sacrum

Insertion: Bicipital Groove

Function: Adducts, Extends and Internally rotates arm