This is why you shouldn’t train jaw until after puberty.

scarta

scarta

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did some research and summed the research up here. lmk your thoughts:

Training the jaw before puberty can potentially lead to negative outcomes due to several physiological factors related to craniofacial development. During this critical growth phase, the masseter, temporalis, medial pterygoid, and lateral pterygoid muscles—innervated by branches of the trigeminal nerve (CN V3)—are still developing. Excessive or improper jaw training may create imbalances in muscle tension, leading to asymmetric jaw growth or misalignment of the mandible and maxilla, which can affect overall facial symmetry.


Furthermore, the growth of facial bones is heavily influenced by mechanical stress and muscle activity. Overtraining these muscles can lead to excessive tension that compresses surrounding nerves, such as the zygomaticotemporal and auriculotemporal nerves, potentially restricting blood flow and reducing the effectiveness of nerve signaling. This compression can diminish the delivery of essential hormones like growth hormone (GH) and insulin-like growth factor 1 (IGF-1), both of which are crucial for bone growth and cellular regeneration during puberty.


Additionally, the mentalis muscle, which controls movements of the chin, may become overly developed or tight, contributing to features such as a prominent mental crease or asymmetry. Overemphasis on jaw training could inhibit proper growth and development, leading to long-term issues in dental occlusion and facial aesthetics.


Therefore, focusing on balanced jaw training after puberty is generally recommended, allowing natural growth processes to occur without undue stress on the developing structures, thereby supporting optimal craniofacial development and aesthetic outcomes
 
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