How do our muscle create movement? Why do muscles often come in pairs? (e.g. biceps and triceps; hamstrings and quadriceps?) This video explains which pairs of muscles can be found at many of the major joints of the body, and how they produce movement. I cover the roles of the #agonist (AKA the prime mover) and #antagonist, as well as the #synergist and fixator. I then provide a couple of examples (knee and elbow joints) and walk you through how the muscles of the joints combine to produce movement.

[00:00] Start
[00:49] Antagonistic Pair Examples
[02:02] Agonists and Antagonists
[04:19] Synergists
[05:22] Fixators
[07:21] Summary and Worked Examples

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BTEC Level 3 Nationals in Sport (from 2016)
Unit 1: Anatomy & Physiology
B The effects of exercise and sports performance on the muscular system
B3 Antagonistic muscle pairs