Where does elevation and depression occur?

Where does elevation and depression occur?

In anatomy, elevation and depression most commonly describe movements of the mandible (lower jaw) or scapulae (shoulder blades) within the frontal plane. When you move your lower jaw (mandible) in a downward direction, depression occurs. When you move your mandible upward, elevation occurs.

What does elevation mean in anatomy?

Elevation is movement in a superior direction. For example, shrugging is an example of elevation of the scapula. Depression is movement in an inferior direction, the opposite of elevation.

What is elevation and depression of scapula?

1. Elevation of the Shoulder Girdle – a movement where the scapula moves in a superior or upward direction occurring at the Sterno clavicular joints. 2. Depression of the Shoulder Girdle – A movement opposite to elevation. The scapula moves downward or in an inferior direction.

What is the meaning of depression in biology?

Biology. Depression (kinesiology), an anatomical term of motion, refers to downward movement, the opposite of elevation. Depression (physiology), a reduction in a biological variable or the function of an organ.

What is depression definition Wikipedia?

Depression is a state of low mood and aversion to activity. Classified medically as a mental and behavioral disorder, the experience of depression affects a person’s thoughts, behavior, motivation, feelings, and sense of well-being.

Can the knee Circumduction?

This occurs when the angle of a joint decreases. For example, the elbow flexes when performing a biceps curl. The knee flexes in preparation for kicking a ball. Ball and socket joints also allow types of movement called abduction, adduction, rotation and circumduction.

What plane is scapular depression?

Depression of the scapula at the ST joint occurs as the action reverse to that of elevation. Protraction is a summation of horizontal plane rotations at both the SC and AC joints. These are translatory motions of the scapula away from or toward the vertebral column, respectively.

Is opening the mouth elevation or depression?

Depression and Elevation These movements are used to shrug your shoulders. Similarly, elevation of the mandible is the upward movement of the lower jaw used to close the mouth or bite on something, and depression is the downward movement that produces opening of the mouth (see Figure 6.65k).

What is depression and elevation movement?

Depression and elevation are downward and upward movements of the scapula or mandible. The upward movement of the scapula and shoulder is elevation, while a downward movement is depression. These movements are used to shrug your shoulders.

What muscles cause scapular depression?

The lower trapezius and pectoralis minor muscles, along with the latissimus dorsi and lower portion of the pectoralis major muscles, produce forceful depression of the scapula that is accompanied by scapular downward rotation [ 4 , 5 ] (Fig. 3.1b).

What is depression simple?

Overview. Depression is a mood disorder that causes a persistent feeling of sadness and loss of interest. Also called major depressive disorder or clinical depression, it affects how you feel, think and behave and can lead to a variety of emotional and physical problems.

What is the anatomy and physiology of depression?

Physiology of Depression. Serotonin is formed from the essential amino acid tryptophan. Serotonin is found in highest levels in the basal ganglia, frontal cortex, hypothalamus, and limbic system. It is thought to regulate sleep, pain sensitivity, sexual function, and appetite, and helps to maintain the integrity of the synaptic junction.

What is the true meaning of depression?

Depression is a condition that generally is associated with being “stuck” in a mood of sadness or grief accompanied by a number of physical symptoms. Everyone gets sad from time to time. But clinical depression, which comes in many different forms, is typically characterized by a longer-than-normal duration of this sad or morose mood.

What do you mean by depression?

Depression is a mood disorder that involves a persistent feeling of sadness and loss of interest. It is different from the mood fluctuations that people regularly experience as a part of life. Major life events, such as bereavement or the loss of a job, can lead to depression.

What is the DSM definition of depression?

Depression (major depressive disorder) is a common and serious medical illness that negatively affects how you feel, the way you think and how you act. Fortunately, it is also treatable. Depression causes feelings of sadness and/or a loss of interest in activities once enjoyed.