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Author: Leslie Samuel

108 What is Hypertension?

In this video, we cover hypertension. We’re going to deal with things like Cardiac Output, peripheral resistance, stroke volume and heart rate, and talk about how those values are related to blood pressure. We also deal with the symptoms of hypertension.

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Concentric Finger Flexion Against Resistance

In this video, the motion of finger flexion is occurring at the metacarpophalangeal (MCP) and interphalangeal (IP) joints while squeezing the ball. This motion is controlled by concentric muscle contraction against the resistance from the ball. Concentric metacarpophalangeal (MCP) and interphalangeal (IP) joint flexion is demonstrated from a position of 90⁰ of elbow flexion as seen from a front or anterior view.

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Eccentric Finger Extension With Resistance

In this video, the motion of finger extension is occurring at the metacarpophalangeal (MCP) and interphalangeal (IP) joints. This motion is controlled by eccentric muscle contraction against the resistance from an elastic band. Eccentric metacarpophalangeal and interphalangeal joint extension is demonstrated from a fully flexed hand position as seen from a front or anterior view.

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Struggling in Biology?

Are You Premed?

Confused about the MCAT? Not sure how to prepare? This guide will show you how