Anatomy Lab Exam 1 - KIN 151

KIN 151 Shoulder Anatomy

Scapula

Medial Border

Medial Border

Inferior Angle

Inferior Angle

Superior Angle

Superior Angle

Is this a posterior or anterior view of the scapula?

anterior

Is this a posterior or anterior view of the scapula?

posterior 

Coracoid process

Coracoid process

Spine of scapula

Spine of scapula

Glenoid fossa

Glenoid fossa

Supraglenoid tubercle

Infraglenoid tubercle

Acromion process

Acromion process

Supraspinatus fossa

Infraspinatus fossa

Infraspinatus fossa

Subscapular fossa

Subscapular fossa

Clavicle

What end of the clavicle is this?

Acromial end

What end of the clavicle is this?

Sternal Side

What ends of the clavicle is this?

Acromial end

What ends of the clavicle is this?

Sternal Side

Costal cartilages

Sternum

Manubrium

Humerus

Deltoid tuberosity

Greater tubercle

Greater tubercle

Lesser tubercle

Intertubercular groove

Intertubercular groove

What joint is this?

Sternoclavicular joint

Sternoclavicular joint

Acromioclavicular joint

Acromioclavicular joint

Acromioclavicular joint

Coracoclavicular joint

Coracoclavicular joint

Coracoclavicular joint

Glenohumeral joint

Glenohumeral joint

Coracoacromial joint

Coracoacromial joint

Trapezius

Trapezius

What are the actions of the upper fibers of the trapezius?

Elevation, Upward Rotation, extension of head at neck, rotation of head at neck.

What are the origins of the upper fibers of the trapezius?

Base of skull, occipital protuberance, posterior ligaments of neck

What are the insertions of the upper fibers of the trapezius?

Lateral 3rd of the clavicle

External Occipital Protuberance (Origin for upper trapezius fibers)

What are the actions of the middle fibers of the trapezius? 

Elevation, Transverse Plane Adduction, Upward Rotation

What are the origins of the middle fibers of the trapezius?

The spinous process of the 7th cervical and upper 3 thoracic vertebrae.

What are the insertions of the middle fibers of the trapezius?

Medial border of the acromion process and superior border of the scapular spine

What are the actions of the lower fibers of the trapezius?

Transverse Plane Adduction, Depression, Upward Rotation

What are the origins of the lower fibers of the trapezius?

Spinal processes of 4th-12th thoracic vertebrae

What are the insertions of the lower fibers of the trapezius?

Triangular base of scapular spine

Rhomboids (major and minor)

Rhomboids (major and minor)

What are the actions of the rhomboids?

Transverse Plane Adduction, Depression, Downward Rotation

What are the origins of the rhomboids?

Spinous processes of the 7th cervical and first 5 thoracic vertebrae

What are the insertions of the rhomboids?

Medial border of the scapula, inferior to the scapular spine

Serratus Anterior

Serratus Anterior

What are the actions of the Serratus Anterior?

Transverse Plane Abduction, Upward Rotation

What are the origins of the Serratus Anterior?

Surface of the upper 9 ribs at the lateral sides of the chest

What are the insertions of the rhomboids?

Anterior aspect of the whole length of the medial border of the scapula

Levator Scapulae

Levator Scapulae