Dr Ayaz Ali

03/08/2025

17/02/2025

Advancing an NG TubeMeasure! Nose EarXiphoid processTip: watch the marking - if it moves, the NG tube may be out of place!

17/02/2025

Your Body's PowerhouseThe heart beats over 100,000 times a day, pumping blood and oxygen to every part of your body.EpicardiumKey Features:Four Chambers: Right atrium, right ventricle, left atrium, left ventricle.13.3KValves: Ensure one-way blood flow (tricuspid, mitral, pulmonary, and aortic valves).Coronary Arteries: Supply the heart muscle with oxygen-rich blood49Every contraction sends life-sustaining oxygen and nutrients to cells while removing waste products.Explore the beauty and complexity of the heart in our stunning 3D animation!

12/02/2025

Having hyperlordosis in your lumbar spine directly points to the idea of a "Lower Crossed Syndrome".Basically, your pelvis can be viewed as a rotating object controlled by four strings. The tension in one pair of strings can change the position of the pelvis, which, in turn, affects the tension in the other pair of strings.When you're sitting, your hip flexors become accustomed to a shortened position, while your gluteal muscles adapt to a lengthened one. When you stand up, this shift in tension introduces uneven forces on your pelvis, resulting in its rotation.This rotation pre-shortens your lumbar extensors, increasing their excitability, and pre-lengthens your abdominal muscles, making them more "lazy".

11/02/2025

The diaphragm and heart are constantly moving to keep your body alive:The Diaphragm: Contracts and relaxes with each breath, creating pressure changes that help circulate blood back to the heart.The Heart: Pumps oxygen-rich blood to your entire body,maintaining the rhythm of life.Their coordinated movements ensure efficient oxygen delivery and waste removal. Explore the mechanics of these incredible structures in our 3D animation!

10/02/2025

Layers of Strength: The Muscles of the Neck and UpperBackThe neck and upper back muscles form a complex system that provides stability, support, and mobility for the head, shoulders, and spine. These muscles are organized into layers:Superficial Layer: Includes muscles like the trapezius and sternocleidomastoid, responsible for large movements like turning the head or shrugging the shoulders Intermediate Layer: Includes muscles like the levator scapulae, aiding in shoulder elevation and neck movement.Deep Layer: Comprises the semispinalis and splenius muscles, essential for head rotation, extension, and posture support.Together, these layers ensure fluid motion and structural integrity for everyday tasks.

07/02/2025

The rotator cuff is a group of muscles and tendons that surround the shoulder joint, providing stability and mobility. It consists of four muscles:1. Supraspinatus: Helps to abduct the arm (lift it away from the body)2. Infraspinatus: Rotates the arm outward (external rotation)3. Teres minor: Assists in external rotation and adduction (bringing the arm towards the body)4. Subscapularis: Rotates the arm inward (internal rotation) and stabilizes the shoulder jointThe rotator cuff tendons attach to the bones of the shoulder joint, including the humerus (upper arm bone), scapula (shoulder blade), and clavicle (collarbone).Common injuries and conditions affecting the rotator cuff include:1. Tendinitis: Inflammation of the tendons2. Tendinosis: Degeneration of the tendons3. Tears: Partial or complete tears of the tendons or muscles4. Impingement: Compression of the tendons between the bones of the shoulder joint5. Rotator cuff syndrome: A combination of tendinitis, bursitis, and impingementSymptoms of rotator cuff problems may include:- Pain or weakness in the shoulder or arm- Limited mobility or stiffness- Clicking or snapping sensations- Difficulty lifting or rotating the armTreatment options for rotator cuff injuries and conditions may include:- Physical therapy- Medications (e.g., pain relievers, corticosteroids)- Rest and ice- Surgery (e.g., arthroscopy, open repair)If you're experiencing shoulder pain or discomfort, it's essential to consult with a healthcare professional for proper diagnosis and treatment.

06/02/2025

The brain receives blood supply from a network of arteries that arise from the aorta and branch into smaller vessels. Here are the main arteries that supply blood to the brain:

1. *Internal Carotid Artery (ICA)*: Arises from the common carotid artery and enters the cranial cavity through the carotid canal. It supplies blood to the anterior portion of the brain, including the frontal, parietal, and temporal lobes.
2. *External Carotid Artery (ECA)*: Arises from the common carotid artery and supplies blood to the face, neck, and scalp.
3. *Vertebral Artery (VA)*: Arises from the subclavian artery and passes through the foramen magnum to enter the cranial cavity. It supplies blood to the posterior portion of the brain, including the cerebellum and brainstem.
4. *Basilar Artery (BA)*: Formed by the fusion of the two vertebral arteries, it supplies blood to the brainstem, cerebellum, and posterior inferior cerebellar arteries.
5. *Anterior Cerebral Artery (ACA)*: Arises from the internal carotid artery and supplies blood to the medial surface of the frontal and parietal lobes.
6. *Middle Cerebral Artery (MCA)*: Arises from the internal carotid artery and supplies blood to the lateral surface of the frontal, parietal, and temporal lobes.
7. *Posterior Cerebral Artery (PCA)*: Arises from the basilar artery and supplies blood to the occipital lobe and medial temporal lobe.

These arteries are crucial for maintaining proper blood flow to the brain, and any blockages or damage to these vessels can lead to serious neurological consequences.

26/08/2024

26/06/2024

11/06/2024

Located in the thigh region of the human body, these muscles collectively contribute to various movements of the hip and knee joints, including flexion, extension, abduction, adduction, and rotation, crucial for activities such as walking, running, and maintaining stability during daily tasks.
- Sartorius: Known as the "tailor's muscle," it runs obliquely across the thigh and assists in flexing abduction and external rotation of the hip.
- Gracilis: This slender muscle lies along the inner thigh, aiding in adduction of the thigh and flexion of the knee.
- Semimembranosus: One of the hamstring muscles, it extends the thigh and flexes the knee joint, contributing to stability during movement. - Semitendinosus: Another member of the hamstring group, it helps extend the thigh and flex the knee, playing a crucial role in walking and running.
- Vastus Medialis: Located on the inner side of the thigh, it is essential for knee extension and stability, particularly during activities like squatting and jumping.
- Re**us Femoris: As one of the quadriceps muscles, it is responsible for knee extension and hip flexion, making it vitar g for activities like walking, running, and jumping.