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To test the hypothesis that a smaller quantity of high intensity (HI) as opposed to a larger quantity of moderate intensity (MI) swim training would result in adaptations more specific to the short performance times of swimming competitions, two groups of elite university swimmers were tested before and after 6.5 weeks of specific HI or MI intermittent swim(More)
To investigate biochemical, histochemical and contractile properties associated with strength training and detraining, six adult males were studied during and after 10 weeks of dynamic strength training for the quadriceps muscle group of one leg, as well as during and after a subsequent 12 weeks of detraining. Peak torque outputs at the velocities tested(More)
A method of describing the musculoskeletal loads in the hand and wrist during manual tasks is presented. A profile of twelve factors is used to quantify the exposure of applicable soft tissues to modes of loading suggested as being related to a number of chronic, work-related musculoskeletal disorders such as chronic muscle strain, tenosynovitis, and carpal(More)
To investigate sex differences in the organization of enzyme activities of energy supplying metabolism in skeletal muscle, samples of the vastus lateralis were extracted from active but untrained males (n = 16) and females (n = 17), ranging in age from 18 to 22 years. Muscle tissue from 2 different biopsy samples from each subject were analyzed for enzymes(More)
This study investigated the hypothesis that the duration of aerobic-based cycle exercise would affect the adaptations in substrate and metabolic regulation that occur in vastus lateralis in response to a short-term (10 day) training program. Healthy active but untrained males (n = 7) with a peak aerobic power ( $$ \dot{V}{\text{O}}_{{ 2 {\text{ peak}}}} $$(More)
This study aimed at investigating the relative roles of the duration versus intensity of exercise on the metabolic adaptations in vastus lateralis to short-term (10 day) aerobic-based cycle training. Healthy males with a peak aerobic power ( $$ {\dot{\text{V}}\text{O}}_{{ 2 {\text{peak}}}} $$ ) of 46.0 ± 2.0 ml kg−1 min−1 were assigned to either a 30-min (n(More)
Two muscles involved in locomotion the vastus lateralis and the gastrocnemius, were compared on a variety of histochemical an biochemical properties. Ten active males, age 20 - 24 years, served as subjects. Fibre type distributions, type I, type IIA and type IIB, as determined from samples extracted by muscle biopsy were similar in both muscles. In(More)
Digits of the hand vary from each other with respect to bone and joint architecture, muscles, tendons, and degree of functional independence. The hand may be conceived as having a central rigid framework moved at the wrist by flexors, extensors, abductors, and adductors. But on each side of this central structure lies a mobile (hinged) segment necessary for(More)
The lumbrical muscle is clearly one of several possible extensors of the interphalangeal joints. With an origin on the flexor digitorum profundus tendon it is credited with unloading the elastic tension across the interphalangeal joints and thereby facilitating their extension. Its role at the metacarpophalangeal joint is not a matter of universal(More)
This study assessed neuromuscular function in the extensor carpi radialis brevis (ECRB) of female workers diagnosed with work-related myalgia (WRM, n = 14, age 45.2 ± 1.9 years) and the ECRB of healthy controls (CON, n = 10, age 34.6 ± 2.5 years). Groups were compared on voluntary and electrically evoked functional responses at rest (Pre), immediately(More)