leg extensor

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an exercise designed to strengthen the extensor muscles of the leg

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MVCs were attained during the isometric contrac tions on the isokinetic dynamometer at 60[degrees] of knee flexion for leg extensors (vastus lateralis and rectus femoris) and 30[degrees] of knee flexion for leg flexors (BF and ST).
The individual percentage change demonstrates an overall higher decrease in strength during the training period compared to the control period, which was significant (p < 0.05) for knee extensor, handgrip, and leg extensor strength (Figures 2(d)-2(g)).
Mean (95% CI) isometric leg extensor strength increased by 3.8 (1.1 to 6.6) N/body weight.
To measure leg extensor muscle power, subjects were asked to do two sets of five bilateral leg press repetitions, one set at 40% of their maximum strength and one set at 70%.
At the onset of the training process that consisted of one initial and seven transition tests, the maximal force of the following muscle groups (triggered by a particular and identified corresponding exercise) was tested and evaluated using the 1 RM standard: (a) power clean (an integral indicator of back-waist extensors); (b) bench press (arm extensors); (c) half-squat (leg extensors); (d) behind-the-neck press (shoulder and arms extensors); (e) dead lift (back extensors); (f) "good morning" (back extensors); (g) pullover (shoulder joint flexors); (h) sit-ups (trunk flexors); and (i) step-up (step test-hip and knee extensors).
Results: Only the exercise group achieved statistically significant improvement in leg extensor power.
Influence of ageing on the mechanical behaviour of leg extensor muscles.
A suitable weight machine was used for determining 1 RM of each major muscle group: seated rowing (for dorsal chest muscles), chest press (for triceps and anterior chest muscles), leg extension (for leg extensors) and leg press (for leg flexors) (14).
To analyze the perceptual, affective, and activation responses between exercises during the same training session, a 3 x 5 ANOVA with repeated measures was used, training (DYN, CONC, and ECC) x order of exercises (bench press, leg extensor, flexor, pulled, and side lifting).
The robotic arm moved the leg at a speed of 60[degrees]/s to elicit leg extensor spasms in the current study, although other faster speeds could also be used.
Contrary to the results of this study, it is reported that there are more correlations in the researches which examine the relation between force quality, leg extensor strength like sprint and jumping, and the other quick movements (U.
A leg extensor power rig was used to determine leg extensor power before and after training [20].
Where: [RFD.sub.Fmax] represents the basic (general) level of the rate of force development, expressed in N x [s.sup.-1]; [F.sub.max] represents the maximum value of isometric leg extensor force, expressed in N; t[F.sub.max] represents the time necessary to reach it, expressed in ms.
In general, most studies have examined the leg extensor muscles of which the researchers have reported that there are mode-specific differences in the effect of the type of fatiguing muscle actions on concentric (CON), eccentric (ECC), and isometric (ISO) torque (5,13,15,18).