56 
MUSCULAR WORK 
Table 56. — Results with subject M. A. M. {without food, following 1 day with carbohydrate- 
rich diet). 
Date and time. 
Duration. 
Carbon 
dioxide 
eliminated 
per minute. 
Oxygen 
absorbed 
per 
minute. 
Respira- 
tory 
quotient. 
Aver- 
age 
pulse- 
rate. 
Average 
respira- 
tion-rate. 
Cur- 
rent. 
Revolu- 
tions per 
minute. 
Jan. 24, 1912. 
Lying: 
8 h 34" a . m 
8 58 a.m 
Work: 
9 h 55" a . m .i 
10 32 a.m.* 
Lying: 
ll»>03m a.m.* 
11 29 a.m.« 
min. sec. 
14 47 
14 47 
10 19 
14 16 
15 35 
14 54 
15 23 
c.c. 
210 
192 
2,248 
1,798 
229 
211 
210 
c.c. 
230 
234 
2,605 
2,040 
292 
290 
0.92 
.83 
.86 
.87 
.78 
.73 
63 
63 
104 
170 
92 
86 
84 
22 
20 
34 
20 
24 
22 
amp. 
1.5 
1.5 
105.9 
90.2 
1 Work was begun at 9 h 43 m a.m. Between 9 h 43 m a.m. and 9 h 55 m a.m. the subject rode at the average rate 
of 106 revolutions per minute; in the first 5 minutes at the rate of 119 revolutions per minute. The 
work in the period seemed to be readily done. The subject complained that he found the work harder 
than at the close of the last experiment on Jan. 19. He thought he was out of practice. 
2 Between the two periods the subject rode at the average rate of 83 revolutions per minute. At 10 h 24 m a.m. 
he rode 91 revolutions in one-half minute. 
8 Work ceased at about 10 h 46 m a.m. 
* The respiration was extremely irregular and very shallow. 
Table 57. — Results with subject M. A. M. (without food, following 2 days with carbohydrate- 
rich diet). 
Date and time. 
Duration. 
Carbon 
dioxide 
eliminated 
per minute. 
Oxygen 
absorbed 
per 
minute. 
Respira- 
tory 
quotient. 
Aver- 
age 
pulse- 
rate. 
Average 
respira- 
tion-rate. 
Cur- 
rent. 
Revolu- 
tions per 
minute. 
Jan. 25, 1912. 
Lying: 
8 h 36" a.m 
9 02 a.m 
9 25 a.m 
Work: 
9 h 59"» a.m.i 
10 47 a.m.* 
Lying: 
12 10 p.m 
min. sec. 
14 41 
15 07 
15 12 
10 09 
13 37 
15 14 
14 51 
15 06 
c.c. 
202 
201 
195 
2,296 
2,040 
218 
207 
212 
c.c. 
260 
236 
251 
2,452 
2,303 
287 
262 
272 
0.78 
.85 
.78 
.94 
.89 
.76 
.79 
.78 
63 
64 
63 
164 
168 
89 
84 
84 
20 
20 
20 
36 
40 
22 
24 
amp. 
1.5 
1.5 
112.2 
102.3 
1 Work was begun at 9 h 47 m a.m. Between 9 h 47 
of 96 revolutions per minute. 
2 Between the two periods the subject rode at the average rate of 88 revolutions per minute 
he rode 91 revolutions in one-half minute. Work was finished at ll h 01 m a.m. 
a.m. and 9 h 59 m a.m. the subject rode at an average rate 
At lO 1 " 28" a . m . 
Table 58. — Results with subject M. A. M. (without food, following 3 days with carbohydrate- 
rich diet). 
Date and time. 
Duration. 
Carbon 
dioxide 
eliminated 
per minute. 
Oxygen 
absorbed 
per 
minute. 
Respira- 
tory 
quotient. 
Aver- 
age 
pulse- 
rate. 
Average 
respira- 
tion-rate. 
Cur- 
rent. 
Revolu- 
tions per 
minute. 
Jan. 26, 1912. 
Lying: 
8& 32" a .m 
8 56 a.m 
Work: 
9 h 37"> a . m .i 
Lying: 
10 h 51 m a .m 
11 16 a.m 
11 42 a.m 
min. sec. 
15 23 
15 15 
10 12 
14 08 
14 52 
16 21 
14 58 
c.c. 
204 
200 
2,425 
1,767 
211 
214 
204 
c.c. 
240 
233 
2,906 
2,167 
268 
206 
266 
0.86 
.86 
.84 
.82 
.79 
.81 
.77 
63 
64 
157 
85 
82 
81 
22 
24 
34 
24 
24 
24 
amp. 
1.5 
1.5 
114.0 
90.9 
1 Work was begun at 9 h 23 m a.m. Between 9 h 23 ra a.m. and 9 h 37 m a.m. the subject rode at the average rate 
of 89 revolutions per minute, but at the rate of about 96 revolutions per minute between 9 h 23 m a.m. 
and 9 h 33 m a.m. 
2 Between the two periods the subject rode at the average rate of 80 revolutions per minute. Once before 
the period he rode 97 revolutions in one-half minute. Work ended at 10 h 35 ra a.m. The subject said 
after the period that he felt very tired and exhausted. 
