PMID- 9480948
OWN - NLM
STAT- MEDLINE
DCOM- 19980409
LR  - 20171213
IS  - 8750-7587 (Print)
IS  - 0161-7567 (Linking)
VI  - 84
IP  - 3
DP  - 1998 Mar
TI  - Influence of differing macronutrient intakes on muscle glycogen resynthesis after 
      resistance exercise.
PG  - 890-6
AB  - The provision of additional protein (Pro) to a carbohydrate (CHO) supplement 
      resulted in an enhanced rate of muscle glycogen resynthesis after endurance 
      exercise (Zawadzki et al., J. Appl. Physiol. 72: 1854-1859, 1992). A comparison 
      of isoenergetic CHO and CHO/Pro formula drinks on muscle glycogen resynthesis has 
      not been examined after either endurance or resistance exercise. We studied the 
      effect of isoenergetic CHO (1 g/kg) and CHO/Pro/fat (66% CHO, 23% Pro, 11% fat) 
      defined formula drinks and placebo (Pl) given immediately (t = 0 h) and 1 h (t = 
      +1 h) after resistance exercise in 10 healthy young men. They performed a whole 
      body workout (9 exercises/3 sets at 80% 1 repetition maximum) with unilateral 
      knee extension exercise [exercise (Ex) and control (Con) leg]. The CHO/Pro/fat 
      and CHO trials resulted in significantly greater (P < 0. 05) plasma insulin and 
      glucose concentration compared with Pl. Muscle glycogen was significantly lower 
      (P < 0.05) for the Ex vs. Con leg immediately postexercise for all three 
      conditions. The rate of glycogen resynthesis was significantly greater (P < 0.05) 
      for both CHO/Pro/fat and CHO (23.0 +/- 4.5 and 19.3 +/- 6.1 mmol . kg dry 
      muscle-1 . h-1, respectively) vs. Pl (Ex = 2.8 +/- 2.3 and Con = 1.4 +/- 3.6 mmol 
      . kg dry muscle-1 . h-1). These results demonstrated that a bout of resistance 
      exercise resulted in a significant decrease in muscle glycogen and that 
      consumption of an isoenergetic CHO or CHO/Pro/fat formula drink resulted in 
      similar rates of muscle glycogen resynthesis after resistance exercise. This 
      suggests that total energy content and CHO content are important in the 
      resynthesis of muscle glycogen.
FAU - Roy, B D
AU  - Roy BD
AD  - Department of Kinesiology, McMaster University, Hamilton, Ontario, Canada L8S 
      4K1.
FAU - Tarnopolsky, M A
AU  - Tarnopolsky MA
LA  - eng
PT  - Clinical Trial
PT  - Journal Article
PT  - Randomized Controlled Trial
PT  - Research Support, Non-U.S. Gov't
PL  - United States
TA  - J Appl Physiol (1985)
JT  - Journal of applied physiology (Bethesda, Md. : 1985)
JID - 8502536
RN  - 0 (Blood Glucose)
RN  - 0 (Dietary Carbohydrates)
RN  - 0 (Dietary Fats)
RN  - 0 (Dietary Proteins)
RN  - 0 (Insulin)
RN  - 33X04XA5AT (Lactic Acid)
RN  - 9005-79-2 (Glycogen)
SB  - IM
MH  - Adult
MH  - Blood Glucose/metabolism
MH  - *Diet
MH  - Dietary Carbohydrates/pharmacology
MH  - Dietary Fats/pharmacology
MH  - Dietary Proteins/pharmacology
MH  - Double-Blind Method
MH  - Exercise/*physiology
MH  - Glycogen/biosynthesis/blood/*metabolism
MH  - Humans
MH  - Insulin/blood
MH  - Kinetics
MH  - Lactic Acid/blood
MH  - Male
MH  - Muscle, Skeletal/*metabolism
EDAT- 1998/04/16 00:00
MHDA- 1998/04/16 00:01
CRDT- 1998/04/16 00:00
PHST- 1998/04/16 00:00 [pubmed]
PHST- 1998/04/16 00:01 [medline]
PHST- 1998/04/16 00:00 [entrez]
AID - 10.1152/jappl.1998.84.3.890 [doi]
PST - ppublish
SO  - J Appl Physiol (1985). 1998 Mar;84(3):890-6. doi: 10.1152/jappl.1998.84.3.890.