• 1
    Lacy BE, Weiser K. Esophageal motility disorders: medical therapy. J Clin Gastroenterol 2008; 42: 6528.
  • 2
    Lever TE, Cox KT, Holbert D, Shahrier M, Hough M, Kelley-Salamon K. The effect of an effortful swallow on the normal adult esophagus. Dysphagia 2007; 22: 31225.
  • 3
    Bulow M, Olsson R, Ekberg O. Supraglottic swallow, effortful swallow, and chin tuck did not alter hypopharyngeal intrabolus pressure in patients with pharyngeal dysfunction. Dysphagia 2002; 17: 197201.
  • 4
    Hind JA, Nicosia MA, Roecker EB, Carnes ML, Robbins J. Comparison of effortful and noneffortful swallows in healthy middle-aged and older adults. Arch Phys Med Rehabil 2001; 82: 16615.
  • 5
    Hiss SG, Huckabee ML. Timing of pharyngeal and upper esophageal sphincter pressures as a function of normal and effortful swallowing in young healthy adults. Dysphagia 2005; 20: 14956.
  • 6
    Huckabee ML, Butler SG, Barclay M, Jit S. Submental surface electromyographic measurement and pharyngeal pressures during normal and effortful swallowing. Arch Phys Med Rehabil 2005; 86: 21449.
  • 7
    Huckabee ML, Steele CM. An analysis of lingual contribution to submental surface electromyographic measures and pharyngeal pressure during effortful swallow. Arch Phys Med Rehabil 2006; 87: 106772.
  • 8
    Witte U, Huckabee ML, Doeltgen SH, Gumbley F, Robb M. The effect of effortful swallow on pharyngeal manometric measurements during saliva and water swallowing in healthy participants. Arch Phys Med Rehabil 2008; 89: 8228.
  • 9
    Yeates EM, Steele CM, Pelletier CA. Tongue-pressure and submental surface electromyography measures during non-effortful and effortful saliva swallows in healthy women. Am J Speech Lang Pathol 2010; 19: 27481.
  • 10
    Omari TI, Rommel N, Szczesniak MM et al. Assessment of intraluminal impedance for the detection of pharyngeal bolus flow during swallowing in healthy adults. Am J Physiol Gastrointest Liver Physiol 2006; 290: G1838.
  • 11
    Simren M, Silny J, Holloway R, Tack J, Janssens J, Sifrim D. Relevance of ineffective oesophageal motility during oesophageal acid clearance. Gut 2003; 52: 78490.
  • 12
    Blonski W, Hila A, Jain V, Freeman J, Vela M, Castell DO. Impedance manometry with viscous test solution increases detection of esophageal function defects compared to liquid swallows. Scand J Gastroenterol 2007; 42: 91722.
  • 13
    Bulow M, Olsson R, Ekberg O. Videomanometric analysis of supraglottic swallow, effortful swallow, and chin tuck in healthy volunteers. Dysphagia 1999; 14: 6772.
  • 14
    Park JW, Oh JC, Lee HJ, Park SJ, Yoon TS, Kwon BS. Effortful swallowing training coupled with electrical stimulation leads to an increase in hyoid elevation during swallowing. Dysphagia 2009; 24: 296301.
  • 15
    Coulas VL, Smith RC, Qadri SS, Martin RE. Differentiating effortful and noneffortful swallowing with a neck force transducer: implications for the development of a clinical feedback system. Dysphagia 2009; 24: 712.
  • 16
    Steele CM, Huckabee ML. The influence of orolingual pressure on the timing of pharyngeal pressure events. Dysphagia 2007; 22: 306.
  • 17
    Bulow M, Olsson R, Ekberg O. Videomanometric analysis of supraglottic swallow, effortful swallow, and chin tuck in patients with pharyngeal dysfunction. Dysphagia 2001; 16: 1905.
  • 18
    Felix VN, Correa SM, Soares RJ. A therapeutic maneuver for oropharyngeal dysphagia in patients with Parkinson’s disease. Clinics (Sao Paulo) 2008; 63: 6616.
  • 19
    Lazarus C, Logemann JA, Song CW, Rademaker AW, Kahrilas PJ. Effects of voluntary maneuvers on tongue base function for swallowing. Folia Phoniatr Logop 2002; 54: 1716.
  • 20
    Vega KJ, Palacio C, Langford-Legg T, Watts J, Jamal MM. Gender variation in oesophageal motor function: analysis of 129 healthy individuals. Dig Liver Dis 2010; 42: 4824.