Is the scapula anterior or posterior?

The scapula is described as having superior, medial, and lateral borders. Posteriorly, the scapula is divided into a supraspinous fossa and infraspinous fossa by the scapular spine. Anteriorly, on the costal surface, is the shallow subscapular fossa. Laterally is the glenoid fossa.

Simply so What does the scapula articulate with? The scapula and clavicle articulate with the bones of the thorax at one point only, here, at the sternoclavicular joint. The lateral end of the clavicle articulates with this projection on the scapula, the acromion, forming the acromio-clavicular joint.

Which bone is anterior to the scapula? The clavicle is a vaguely z-shaped bone which articulates with the scapula in the anterior and articulates with the sternum in the posterior. The flatter broader end is the acromial extremity, which articulates with the acromion process of the scapula.

also Is the scapula bone axial or appendicular? It’s everything that attaches on to the axial skeleton. Think “appendages”. The pelvis, femur, fibula, tibia and all of the foot bones as well as the scapula, clavicle, humerus, radius, ulna and all of the hand bones are classified as appendicular.

What type of bone is the scapula?

The scapula is a large, flat triangular bone with three processes called the acromion, spine and coracoid process . It forms the back portion of the shoulder girdle.

What process on the scapula does not articulate with another bone? Identify the process on the scapula that does not articulate with another bone. The coracoid process of the scapula is found on the lateral side of the bone projecting anteriorly and laterally.

Which bones articulate at the glenohumeral joint?

The shoulder joint itself known as the Glenohumeral joint, (is a ball and socket articulation between the head of the humerus and the glenoid cavity of the scapula)

How many bones does the scapula articulate with? The scapula articulates with the humerus and the clavicle. The scapula is flat and triangular. The scapula articulates with the humerus at the glenoid fossa and the clavicle at the acromion process.

How many muscles connect to the scapula?

In total, 17 different muscles attach to the scapula, which makes it difficult to fracture.

Which joint is the articulation between the scapula and the humerus? The glenohumeral joint is structurally a ball-and-socket joint and functionally is considered a diarthrodial, multiaxial, joint. [1] The glenohumeral articulation involves the humeral head with the glenoid cavity of the scapula, and it represents the major articulation of the shoulder girdle.

What is medial border of the scapula?

The medial border is a thin border and runs parallel to the vertebral column and is therefore often called the vertebral border. The lateral border is often called the axillary border as it runs superolaterally towards the apex of the axilla. It is the thickest and strongest of the three borders for muscle attachment.

What’s the difference between axial and appendicular? The appendicular skeleton includes all the bones that form the upper and lower limbs, and the shoulder and pelvic girdles. The axial skeleton includes all the bones along the body’s long axis. … The axial skeleton includes the bones that form the skull, laryngeal skeleton, vertebral column, and thoracic cage.

What are the 8 appendicular bones?

Structure and Function

• Shoulder girdle:
• Clavicle. Scapula.
• Arm.
• Humerus.
• Forearm.
• Radius. Ulna.
• Wrist or carpal bones.
• Scaphoid. Lunate. Triquetrum. Pisiform. Trapezium. Trapezoid. Capitate. Hamate.

What is the appendicular?

71222. Anatomical terminology. The appendicular skeleton is the portion of the skeleton of vertebrates consisting of the bones that support the appendages. There are 126 bones. The appendicular skeleton includes the skeletal elements within the limbs, as well as supporting shoulder girdle and pelvic girdle.

Is scapula a bone or muscle? The scapula, or shoulder blade, is a large triangular-shaped bone that lies in the upper back. The bone is surrounded and supported by a complex system of muscles that work together to help you move your arm.

What is front of shoulder called? Clavicle: Also known as the collarbone, the clavicle extends across the front of the shoulder from the sternum to the scapula. It helps stabilize the shoulder’s movements. Scapula: More commonly known as the shoulder blade, the scapula is a flat triangular bone located in the upper back.

What are the 3 processes of the scapula?

The scapula has three processes: the acromion, the spine, and the coracoid process. Muscle attachments to these landmarks are covered in the “Muscles” section. The ventral surface of the scapula abuts the thoracic rib cage and has a large concavity called the subscapular fossa where the subscapularis attaches.

How many pairs of ribs articulate directly with the sternum? True ribs articulate directly with the sternum. how many pairs of ribs articulate directly with the sternum? There are 7 pairs of true ribs in the human body. True ribs articulate directly with the sternum.

Which of the following parts of the scapula articulates with another bone?

The scapula articulates with the clavicle through the acromion process, a large projection located superiorly on the scapula forming the acromioclavicular joint.

Which part of the humerus articulates with the scapula? The proximal portion of the humerus can be divided into three parts. The rounded humeral head projects medially and articulates with the glenoid cavity of the scapula. Immediately adjacent to the head is the narrower anatomical neck, which allows for a wider range of movements of the head within the shoulder joint.

Which two bones does the scapula form joints with?

The scapula (shoulder blade) lies on the posterior aspect of the shoulder. It is supported by the clavicle, which also articulates with the humerus (arm bone) to form the shoulder joint.

What bone is the scapula? scapula, also called shoulder blade, either of two large bones of the shoulder girdle in vertebrates. In humans they are triangular and lie on the upper back between the levels of the second and eighth ribs.

How many muscles cross the glenohumeral joint?

There are nine muscles that cross the glenohumeral joint, including: Biceps brachii (long head) Triceps brachii (long head) Deltoid.