Introduction: Structure and Function of rotator cuff muscles: Subscapularis muscle: Description of subscapularis muscle: Origin: Insertion: Nerve Supply: Blood Supply: Lymphatics: Action: Function: Pathologies: Tests For Subscapularis: Lift-Off Test: Bear Hug Test: Belly Press Test: Treatment of subscapularis: Infraspinatus muscle: Description: Origin: Insertion: Nerve Supply: Blood Supply: Lymphatics: Action: Function: Clinical Relevance: Assessment: Teres minor…
The chest muscles, also known as the pectoral muscles, play a crucial role in the upper body’s strength and functionality. These muscles are primarily responsible for movements of the shoulder joint, including flexion, adduction, and rotation of the arm. The pectoral region is found on the anterior chest wall. The serratus anterior, subclavius, pectoralis major,…
Introduction The gluteal muscles, commonly known as the glutes, comprise a group of three muscles located in the buttock region. These muscles play a pivotal role in a variety of movements involving the hip and thigh, contributing significantly to posture, stability, and locomotion. Anatomically significant, the gluteal region is located on the posterior aspect of…
Introduction The Back muscles are a group of strong, paired muscles located on the trunk’s posterior aspect. They provide spinal movement, trunk stability, and coordination of limb and trunk movements.Back muscles are divided into two major groups: Extrinsic (superficial) back muscles are those that are closest to the skin on the back. These muscles are…
Introduction The shoulder joint, also known as the glenohumeral joint, is a ball and socket joint with the widest range of motion in the human anatomy. The shoulder muscles perform a variety of functions, including abduction, adduction, flexion, extension, internal and external rotation. The scapula is the shoulder’s central bony structure and the site of…
What Is The Flexor pollicis longus Muscle? In the anterior compartment of the forearm, the flexor pollicis longus (FPL) is a long muscle situated at the deep layer with the flexor digitorum profundus and pronator quadratus. Despite being located in the forearm, it is considered a component of the hand’s extrinsic muscles because it is…
Introduction The calf muscles, located on the back of the lower leg, are a crucial part of the human body’s musculoskeletal system. These muscles, primarily consisting of the gastrocnemius and the soleus, play a vital role in various movements, including walking, running, and jumping. The gastrocnemius is the most superficial muscle, with two heads: medial…
Introduction The hamstring is a group of 3 muscles located at the back of the thigh. These muscles include the biceps femoris, semitendinosus, and semimembranosus. Together, they play a crucial role in various movements of the hip and knee, such as walking, running, and jumping. The hamstrings are a group of three muscles that primarily…
Introduction Four muscles in the front of the thigh are called the quadriceps, or quads. They are some of the body’s biggest and most powerful muscles. The quadriceps muscles allow you to stand, walk, run, squat, and jump. They are some of the strongest muscles in the body and together they comprise most of the…
The lumbrical muscles of the hand are a group of four small, intrinsic muscles located within the palm. Despite their diminutive size, they play a crucial role in hand function, particularly in fine motor movements and dexterity. The lumbrical muscles are located at the base of the palm. The proximal and middle phalanges of the…
