New Findings What is the central question of this study? Continuous‐wave near‐infrared
spectroscopy, coupled with venous and arterial occlusions, offers an economical, non …

Compartmentalization of skeletal muscle by multiple motor nerve branches, named as
neuromuscular compartment (NMC), has been demonstrated in animals as well as humans …

It remains unclear what role reduced volume and cross‐section area (CSA) of individual
quadriceps muscles may play in persistent quadriceps weakness and more global …

The purpose of this study was to determine the validity of fascicle length estimation in the
vastus lateralis (VL) and vastus intermedius (VI) using ultrasonography. The fascicle lengths …

The purpose of this study was to determine whether the muscle architecture of each head of
the quadriceps femoris (QF) at multiple regions can be used to predict knee extension force …

Background Since age-related muscle strength loss cannot be explained solely by muscle
atrophy, other determinants would also contribute to muscle strength in elderly. The present …

Purpose Fatigue-related muscle activity in the superficial quadriceps femoris (QF) muscles
has been widely examined; however, there is no information on the activity of the deep …

It is not understood how the knee joint angle affects the relationship between
electromyography (EMG) and force of four individual quadriceps femoris (QF) muscles. The …

Objectives The current study investigated the correlation between quadriceps muscle
architecture and the knee extension rate of force development (RFD). Design cross …

Recently, we demonstrated region-specific electromyography (EMG) responses along the
rectus femoris (RF) muscle during gait in healthy young men (Watanabe et al., 2014b). For …