Final answer:
EMST is not indicated for those with a peanut allergy, as this condition is unrelated to the respiratory muscles that EMST targets. It is, however, beneficial for those with dysphagia, athletes, musicians, vocal performers, and those with neurological disorders like ALS, MS, and PD.
Step-by-step explanation:
Expiratory Muscle Strength Training (EMST) is a technique used to improve the function of the respiratory muscles, and it is suitable for a variety of client populations. However, when considering the client populations for which EMST is indicated for use, the correct answer to the question is d. Peanut Allergy. This condition is not related to respiratory muscle function or strength, making EMST an unrelated treatment modality.
On the other hand, EMST can be beneficial for those with a. Dysphagia, helping to improve swallowing functions by strengthening the expiratory muscles. b. Athletes, musicians, vocal performers often utilize EMST to improve their breathing capabilities and support for their professional activities. Additionally, clients with c. Neurological diseases such as Amyotrophic Lateral Sclerosis (ALS), Multiple Sclerosis (MS), and Parkinson's Disease (PD) can benefit from EMST as it assists in maintaining respiratory muscle strength, which can be affected by these conditions.