What is the Scapula commonly known as?
The Shoulder Blade
What does the Scapula articulate with?
- The Humerus
2. The Clavicle
What is the name of the joint at which the Scapula connects with the Humerus?
What is the name of the joint at which the Scapula connect with the Clavicle?
What does the Scapula connect, given its attachment to the Humerus and Clavicle?
The Upper Limb to the Trunk
What is the Shape of the Scapula?
It is a Triangular, Flat Bone
How many muscles are attached onto the Scapula?
- What is the Anterior Surface of the Scapula known as?
- The Costal Surface
2. Because it is the side facing the Ribcage
What is the name of the Concave depression over the Costal Surface of the Scapula?
The Subscapular Fossa
Which Rotator Cuff Muscle originates from the Subscapular Fossa?
The Subscapularis Muscle
Where does the Coracoid Process originate from?
The Supero-Lateral surface of the Costal Scapula
What does the Coracoid Process look like?
A “Hook Projection”
Where does the Coracoid Process lie?
Just underneath the Clavicle
What muscles are attached to / originate from the Coracoid Process?
- The Pectoralis Major (attaches to)
- Coracobrachialis (originates from)
- Biceps Brachii (originates from)
What does the Lateral surface of the Scapula face?
What is found on the Lateral surface of the Scapula?
- The Glenohumeral Joint
2. Other muscle attachments
What is the name of the shallow cavity which articulates with the Humerus (to form the Glenohumeral Joint)?
The Glenoid Fossa
What is the name of the Tubercle directly above the Glenoid Fossa?
The Supraglenoid Tubercle
What attaches to the Supraglenoid Tubercle?
The Long Head of the Biceps Brachii
What is the name of the Tubercle directly below the Glenoid Fossa?
The Infraglenoid Tubercle
What attaches to the Infraglenoid Tubercle?
The Long Head of the Triceps Brachii
What are attached to the posterior surface of the Scapula?
The majority of the Rotator Cuff Muscles
What is the name of the most prominent feature on the posterior surface of the Scapula?
How does the Spine of the Scapula run?
Transversely, dividing the Posterior Surface of the Scapula into 2
What are the 2 divisions of the Posterior Surface of the Scapula (made by the Spine)?
- Supraspinous Fossa (Above the Spine)
2. Infraspinous Fossa (Below the Spine)
Which is larger of the Supraspinous Fossa, and the Infraspinous Fossa?
The Infraspinous Fossa
What is the shape of the Supraspinous Fossa?
What muscle originates from the Supraspinous Fossa?
The Supraspinatus Muscle
What is the shape of the Infraspinatus Fossa?
What muscle originates from the Infraspinous Fossa?
The Infraspinatus Muscle
What is the name of the Projection off of the Spine?
What does the Acromion:
- Articulate with?
- Arch over?
- The Clavicle
2. The Glenohumeral Joint
What type of joint is the Acromioclavicular Joint?
A Synovial Plane
What type of Joint is the Sternoclavicular Joint?
A Synovial Saddle