These Hatha yoga postures come in numerous forms. Jainism encourages fasting, yoga practices, meditation in difficult postures, and other austerities. This text lists and elaborates these twelve Yoga postures. Walking may become difficult, and include odd postures and leg movements. Injuries are associated with repetitive movements, awkward postures, and cold temperatures. Rhesus macaques interact using a variety of facial expressions, vocalizations, body postures, and gestures. Exercise or certain postures can aggravate the symptoms. Lions have an array of facial expressions and body postures that serve as visual gestures. Their postures and movements differ from one another. Encoding is the act of generating information such as facial expressions, gestures, and postures. His son Manju Jois also recommends taking more breaths in difficult postures. Chimpanzees use facial expressions, postures, and sounds to communicate with each other. Continental figures also are represented in more contortionist postures. Emotions can also be detected through body postures. In some instances, the recognition of specific postures and behaviors can be learned.