What are the bones in your shoulder?
What is the shoulder? Bones. The collarbone (clavicle), the shoulder blade (scapula), and the upper arm bone (humerus).
What 3 joints make up the shoulder complex?
These three segments are joined by three interdependent linkages: the sternoclavicular joint, the acromioclavicular (AC) joint, and the glenohumeral joint.
What are the 4 bones that make up the shoulder joint complex?
Four joints are present in the shoulder: the sternoclavicular (SC), acromioclavicular (AC), and scapulothoracic joints, and glenohumeral joint.
What are shoulder bones 6?
Shoulder bone or Pectoral Girdle: The shoulder bone is formed by the collar bone and the shoulder blade. It is attached to the upper part of the rib-cage and to the upper arm bone.
What bones make up the shoulder girdle?
The shoulder girdle consists of three bones (clavicle, scapula, and humerus) and three joints (sternoclavicular, acromioclavicular, and glenohumeral) as shown in Fig.
What muscles abduct the shoulder?
The primary muscles involved in the action of arm abduction include the supraspinatus, deltoid, trapezius, and serratus anterior.
How many muscles make up the shoulder?
There are about 20 muscles supporting the shoulder and allowing it to turn and rotate in many directions.
What are the names of the 3 arm bones?
Your arm is made up of three bones: the upper arm bone (humerus) and two forearm bones (the ulna and the radius). The term “broken arm” may refer to a fracture in any of these bones.
What bones make up the ball and socket joint in the shoulder?
The humerus. This is the bone of the upper arm. The top of the humerus is rounded and fits into the shallow socket of the scapula, called the glenoid cavity, creating the shoulder’s ball-and-socket joint.
What are tendons Class 9?
A tendon is a tough fibrous connective tissue that connects muscle to bone. Tendons have many functions from passively modulating forces during locomotion to providing additional stability with no active work. The largest and the strongest tendon in the human body is the Achilles tendon.
What are the bones found in the shoulder?
The bones of the shoulder consist of the humerus (the upper arm bone), the scapula (the shoulder blade), and the clavicle (the collar bone) .
What is the function of the shoulder bones?
The primary function of the shoulder girdle is to give strength and range of motion to the arm. The shoulder girdle includes three bones-the scapula, clavicle and humerus. Anatomy terms allow us to describe the body and body motions more precisely.
What two bones are attached to the shoulder blade?
The shoulder joint is a ball-and-socket joint comprised of three bones: the clavicle, scapula, and proximal end of the humerus. The clavicle is the bone closest to the axial skeleton and is commonly referred to as the “collar bone.”
What is the bone that connects your forearm to your shoulder?
The humerus is the long bone in the upper arm. It is located between the elbow joint and the shoulder. At the elbow, it connects primarily to the ulna, as the forearm’s radial bone connects to the wrist. At the shoulder, the humerus connects to the frame of the body via the glenoid fossa of the scapula .