The Head
| Description: | (CN) The Head |
| Category: | Physical Therapy |
| Created by: | PT Board Exam on 2006-05-22 |
| Stack ID: | 41906 |
| Front | Back |
| What muscles depress the TMJ (open the mouth)? | Lateral pterygoid, Suprahyoid, Infrahyoid |
| What muscles elevate the TMJ (Close the mouth)? | Temporalis, Masseter, Medial pterygoid |
| What muscles protrude the TMJ? | Masseter, Lateral Pterygoid, Medial Pterygoid |
| What muscles deviate the TMJ from side to side? | Medial pterygoid, Lateral pterygoid, Masseter, Temporalis |
| What muscles retract the TMJ? | Temporalis, Masseter, Digastric |
| Which muslces flex the head and neck? | SCM, Longus Coli, Scalenes |
| Which muscles Extend the head and neck? | Splenius cervicis, Spemispinalis, Iliocostalis, Logissiumus, Multifidus, Trapezius |
| Which muscles rotate and laterally bend the head and neck? | SCM, Scalenes, Splenius, Longissimus, Iliocostalis, Levator scapulae, Multifidus |
| what is the functional opening of the mouth | 25-35 mm |
| full opening of mouth | 35-50 min |
| how much is the lateral excursion or deviation | 10-15 mm |
| how much is the protrusion forward | 3-6 mm |
| how much is the retraction | 3-4 mm |
| what happens with openning | anterior rotation 20-25 rotation of condile, 40 mm opening anterior rotation and translation |
| what happens with protrusion | bilateral condylar translation |
| what happens with lateral deviation | anterior translation on contralateral side; spin on ipsilateral |
| what nerve innervates mm of mastification | C.N. V Trigeminal |
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This newly created position provides CN with a unique management structure to develop sales goals and marketing initiatives for its forest products customers. The forest products industry faces numerous business challenges and CN is adapting to be responsive to its needs. The Sales and Marketing functions for Forest Products will continue to operate as distinct units. Kachroo will report to Stan Jablonski, senior vice-president, Sales, and to Jean-Jacques Ruest, senior vice-president, Marketing. James M. Foote, executive vice-president, Sales and Marketing, for CN, said: “I am very pleased to announce Vee’s new appointment. He’s been a key contributor to the Sales and Marketing function and has demonstrated exceptional leadership in managing the Forest Products sales segment. His continuous focus on delivering results will establish a significant partnership between CN and its customers. I am very confident he will develop a sustainable and comprehensive business model for CN and its forest products customers to remain competitive.” Foote added: “Having Sales and Marketing functions as separate but complementary entities is the best organizational structure for the Sales and Marketing department.” Kachroo joined CN in 1986 as an engineer in the Signals and Communications group. Since 1988, he has been in the Sales and Marketing department, where he has held positions as account manager, director of Marketing in the Forest Products and the Metals and Minerals group, and most recently, assistant vice-president, Sales, Forest Products. CN - Canadian National Railway Company - spans Canada and mid-America, from the Atlantic and Pacific oceans to the Gulf of Mexico, serving the ports of Vancouver, Prince Rupert, B.C., Montreal, Halifax, New Orleans, and Mobile, Ala., and the key cities of Toronto, Buffalo, Chicago, Detroit, Duluth, Minn./Superior, Wis., Green Bay, Wis., Minneapolis/St. Paul, Memphis, St. Louis, and Jackson, Miss., with connections to all points in North America. |
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