The Length-Tension Relationship

The length-tension relationship describes the amount of force produced by a sarcomere in relation to its length.

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The Force-Velocity Relationship

The force-velocity relationship describes the relationship between the speed and force of muscle contraction, expressed as power.

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Types of Muscle Actions

Muscle actions can be divided into three main categories: eccentric (muscle lengthening), concentric (muscle shortening) and isometric (muscle length remains the same).

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Skeletal Muscle Anatomy

Skeletal muscle is one of the three muscle tissues found in humans. They have a striated appearance and attach to bones by tendons. Together, they produce all voluntary movements…

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A Comprehensive Guide To Resistance Training Variables

Training variables like volume, load, rest, frequency, exercise choice, exercise order, and movement velocity have a tremendous impact on long-term training adaptations. See what…

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How Do Muscles Contract?

Muscle contraction occurs when actin and myosin filaments slide past each other. Thus, resulting in the shortening of a sarcomere.

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Neural Adaptations to Strength Training

The neural adaptations of strength training refers to improvements in motor unit recruitment and rate coding. Click here to learn more!

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Satellite Cells and Muscle Regeneration

Muscle satellite cells are stem cells found between the external lamina and sarcolemma. They play a crucial role in muscle fiber regeneration.

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The Push/Pull/Legs Training Split – What Are The Pros And Cons?

The push/pull/legs split refers to dividing your weekly training into push (chest, shoulders, triceps), pull (back, biceps), and leg (quads, glutes, hamstrings, calves) days. It…

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Muscle Fiber Recruitment: The Size Principle

The size principle means that motor units (motor neuron and muscle fibers innervated by it) are activated in an order from smallest to largest.

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