9.4: Axial Muscles of the Head, Neck, and Back

Chynthia Bromley | The Farmacy on Instagram: "High cortisol levels, particularly when sustained for too long due to chronic stress or medical conditions, can lead to muscle wasting (atrophy) throughout the body, including the hip muscles. Cortisol promotes the breakdown of muscle protein, which can cause muscle weakness and loss of mass over time. Cortisol not only increases protein breakdown but also inhibits protein synthesis, the process by which muscles are repaired and rebuilt. This double

Kieran Gillespie on Instagram: "A small gap, and very small lag between first movement and force into the blocks is probably fine. But holding the weight genuinely on your toes in the block setup will only limit force output from the larger proximal muscles further up the leg (glutes, quads, hamstrings). If I asked you to perform a counter-movement jump, rocking onto your toes would feel weird. Full foot contact against the pad doesn’t limit force transmission through the foot and ankle complex.

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