The latissimus dorsi muscle is responsible for adducting the shoulder and causing extension of the shoulder joint. It is a large triangular muscle located in the back that helps with various movements of the shoulder and arm.
The normal range of motion for shoulder extension is typically between 50 to 60 degrees.
Shoulder extension is controlled by: Long head of the triceps, the last, and the teres major
latissimus dorsi
To improve shoulder flexion and extension, targeted exercises such as shoulder stretches, shoulder presses, and shoulder raises can be effective. These exercises help to strengthen the muscles surrounding the shoulder joint, increasing flexibility and range of motion. It is important to perform these exercises regularly and gradually increase intensity to see improvement in shoulder flexion and extension.
acromion
The typical range of shoulder extension in a healthy adult is between 50 to 60 degrees.
Shoulder flexion involves raising the arm forward and upward, while shoulder extension involves moving the arm backward and downward. Shoulder flexion typically has a greater range of motion compared to extension. Different muscles are activated during each movement, with shoulder flexion primarily involving the anterior deltoid and shoulder extension primarily involving the latissimus dorsi and teres major muscles.
Shoulder extension involves moving the arm backward, increasing the angle between the arm and the body, while shoulder flexion involves moving the arm forward, decreasing the angle. Shoulder extension typically has a greater range of motion compared to flexion. Different muscles are activated during each movement: shoulder extension primarily activates the latissimus dorsi and teres major muscles, while shoulder flexion primarily activates the anterior deltoid and pectoralis major muscles.
adduction (bringing arms in towards the body) and extension at the shoulder
The outward extension of the shoulder bone is called the acromion process. It forms the outer part of the shoulder blade (scapula) and contributes to the shoulder joint's stability and range of motion.
Shoulder flexion is the movement of raising the arm forward, while shoulder extension is the movement of bringing the arm backward. These movements impact the range of motion and function of the shoulder joint by allowing the arm to reach different positions and perform various tasks. Flexion helps with activities like reaching overhead, while extension is important for movements like throwing or pulling. Both movements are essential for a full range of motion and functional use of the shoulder joint.