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When the infraspinatus muscle contracts concentrically, it primarily facilitates external rotation of the shoulder joint. This movement is crucial for various activities that involve lifting the arm away from the body or throwing motions. Additionally, the infraspinatus plays a role in stabilizing the shoulder by maintaining the position of the humeral head in the glenoid cavity during arm movements.
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What movement occurs when the subscapularis contracts concentrically?
When the subscapularis muscle contracts concentrically, it performs internal rotation of the shoulder joint. This movement involves rotating the arm inward toward the midline of the body.
When glute max contract concentrically which movement occurs at the hip?
When the gluteus maximus contracts concentrically, hip extension occurs. This means the thigh moves backward, bringing the leg into alignment with the body.
What movement occurs when rectus abdominal muscle contract concentrically?
When the rectus abdominis muscle contracts concentrically, it primarily facilitates trunk flexion. This movement involves bending forward at the waist, bringing the rib cage closer to the pelvis. Additionally, it aids in stabilizing the pelvis and spine during various physical activities. This contraction is essential for actions like sit-ups and other core-strengthening exercises.
What type of movement occurs when the hamstring muscle contracts?
Flexion
What movement occurs when rectus abdominis contract concentricallyy?
When the rectus abdominis contracts concentrically, it primarily results in the flexion of the trunk. This movement brings the rib cage closer to the pelvis, effectively bending the torso forward. It is commonly engaged during activities such as sit-ups or crunches. Additionally, this contraction helps stabilize the pelvis and lower back during various movements.
What joint action occurs when the biceps muscles contract concentrically?
The bicep muscle relaxes. It is vice-versa when the bicep muscle contracts.
How does extension in the elbow occur?
The extension in the elbow occurs when the triceps muscle contracts, causing the forearm to straighten out. This movement is essential when performing actions like pushing and lifting objects.
Which word symbolizes the expansion that occurs when the left ventricle contracts?
dilation
What happens when a movement occurs in two planes?
When a movement occurs in two planes, it is called turbulence.
How cell movement occurs?
Movement within the cell occurs by microtubules, which act like railroads to help transportation of vessicles and organelles. Movement of the cell itself occurs by either the cilia or the flagella.
What happen after a nebula contracts and temperatures increase to 10 million k?
A supernova occurs.
What happens after a nebula contracts and it temperature increases to 10 million k?
A supernova occurs.
