Table 1.

In vivo percent of maximum parasternal and abdominal EMG amplitude, and computational model simulations percent of maximum phrenic (inspiratory) and lumbar (expiratory) activities

	In Vivo		Version 1		Version 2
Cough	Parasternal	Abdominal	Phrenic	Lumbar	Phrenic	Lumbar
C1	72 ± 7	41 ± 11	58 ± 9	42 ± 6	94 ± 2	59 ± 2
C2	71 ± 7	46 ± 7	76 ± 7	42 ± 6	89 ± 4	55 ± 7
C3	62 ± 5	44 ± 7	91 ± 4†	60 ± 6	91 ± 3	56 ± 10
C4	64 ± 4	55 ± 10	92 ± 3†	64 ± 5	88 ± 2	66 ± 7
C5	74 ± 5	61 ± 9	94 ± 2†	64 ± 7	86 ± 3	70 ± 9
C6	76 ± 6	62 ± 5	81 ± 5†	51 ± 10	79 ± 2	75 ± 7
C7	85 ± 2	69 ± 7†	85 ± 4	69 ± 4	78 ± 3†	81 ± 8
C8	84 ± 3	69 ± 4†	81 ± 4	81 ± 8	70 ± 2†	72 ± 10
C9	84 ± 5	72 ± 6†	74 ± 3	87 ± 8*	71 ± 2†	83 ± 4†
C10	77 ± 4	68 ± 5†	74 ± 4	82 ± 4†	68 ± 3†	75 ± 5†
C11	82 ± 2	69 ± 4	68 ± 5	81 ± 8	66 ± 4†	76 ± 2†
C12	76 ± 4	67 ± 5	67 ± 5	88 ± 1†	60 ± 7†	68 ± 5
C13	82 ± 5	70 ± 9	59 ± 4	83 ± 3†	71 ± 3†	66 ± 2†
C14					62 ± 8	87 ± 5
C15					67 ± 8	85 ± 5
C16					58 ± 13	80 ± 4
C17					53 ± 6	77 ± 4
C18					58 ± 9	74 ± 5
C19					50 ± 3	61 ± 6

Values are means ± SE for each cough in an epoch. The cough number is expressed as coughs C1 to Cn. Symbols indicate a significant difference from the corresponding value during cough C1 (

^*P < 0.01; †P < 0.05).