About 5 positiveitive SCs were associated to each single FDB muscle fiber (5.0±0.6, n = 200 fibers) (Fig. 1a, top; Fig. S2) and underwent rapid activation, revealed by MyoD expression and proliferation in culture.
Over practice trials muscle activation decreased, as revealed in integrated EMG data from the vastus lateralis and biceps brachii, and coherence analysis revealed the muscle activation patterns became more tightly coordinated.
The qualitative muscle activation pattern analysis revealed earlier (more normal) onset of activation of gastrocnemius, vastus lateralis, biceps femoris, and gluteus medius.
Maximal tetanic stimulation was implemented in several studies targeting small hand muscles (see a list of references in Sale 1988) and because, as expected, untrained healthy individuals can activate these muscles fully maximal tetanic stimulation revealed no changes in muscle activation after strength training (Sale 1988).
Increased muscle preparatory activity and muscle activation have also been found, leading to plyometrics possibly even preventing injury [20].
The present results reveal that the pattern of muscle activation in the stance phase of diabetic individuals is still a matter of debate, as put forward by Allet et al. (2008)[ 45].
The results revealed that ageing leads to significant alterations in weight bearing and ankle muscle activation in relation to gait initiation.
Biofeedback studies focusing on inappropriate muscle activation and force adoption suggest that visual biofeedback of muscle activity can help to reduce excess muscle activation [23].
The analysis of the muscle forces showed realistic muscle activation with increased muscle synergy in the active pulley model.
Research has revealed that older adults have a delayed response in the onset of trunk muscle activation, a reduction in amplitude in paraspinal muscle firing, and smaller stretch reflexes in response to dynamic stability perturbations [ 9].
