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Articles 1 - 6 of 6
Full-Text Articles in Kinesiology
Toe Running: The Good, The Fad, And The Ugly, Molly Quinn-Shea
Toe Running: The Good, The Fad, And The Ugly, Molly Quinn-Shea
WWU Honors College Senior Projects
Compared to most other animal on the planet, humans are pathetic runners. We are not graceful like the deer nor fast like the cheetah. In fact, many have wondered why the homo sapien evolved into an upright figure since that posture is less efficient for running. Christopher McDougall, in his National Bestseller Born to Run, hypothesized that early humans were distance runners that outran their prey. Born to Run, which has been linked to the rise of the popularity of barefoot running, describes how humans do not use their Achilles tendon efficiently by striking with the heel of …
Eccentric, Concentric And Isometric Strength In Trained And Untrained Older Adults, Fernando A. Rosete
Eccentric, Concentric And Isometric Strength In Trained And Untrained Older Adults, Fernando A. Rosete
WWU Graduate School Collection
The process of aging includes changes in muscle and connective tissue architecture and function, increased stiffness, loss of strength and functionality. Nonetheless, older adults are able to maintain eccentric (ECC) strength levels in a greater proportion, when compared to maintaining isometric (ISO) strength and concentric (CON) strength. The purpose of this study was to compare CON, ECC and ISO leg extension torque between trained (T) and untrained (U) older adults. Twenty older adults (60 years and older) who had no knee pathologies were recruited. A Biodex dynamometer was used to measure leg extensor torque for ISO, CON and ECC, in …
Occam's Razor Vol. 4 - Full (2014)
The Effects Of Body Orientation And Humeral Elevation Angle On Shoulder Muscle Activity And Shoulder Joint Position Sense, Jordan D. (Jordan Daniel) Sahlberg
The Effects Of Body Orientation And Humeral Elevation Angle On Shoulder Muscle Activity And Shoulder Joint Position Sense, Jordan D. (Jordan Daniel) Sahlberg
WWU Graduate School Collection
The purpose of this study was to determine the effects of body tilt on shoulder muscle activity and repositioning accuracy during humeral elevation to three positions in the sagittal plane (70, 90 and 110 degrees). Thirty eight subjects underwent testing in an unconstrained joint position sense task. Kinematics were measured with a magnetic tracking device while muscle activation was measured with surface electromyography. The joint position sense task consisted of subjects moving their arms to a predetermined positing in space with the help of visual feedback from a head mounted display interfaced with the magnetic tracking device. Subjects were then …
The Effects Of Two Different Recovery Postures During High Intensity Interval Training, Joana V. M. (Joana Vaya Malinao) Houplin
The Effects Of Two Different Recovery Postures During High Intensity Interval Training, Joana V. M. (Joana Vaya Malinao) Houplin
WWU Graduate School Collection
The purpose of this study was to examine the effects of two different recovery postures, hands on head (HH) and hands on knees (HK), as a form of immediate recovery from high intensity interval training (HIIT). Furthermore, the study examined whether the two recovery postures influenced subsequent power performance in a Wingate Anaerobic Test. Twenty subjects were included and testing sessions were randomized for each subject. Each subject performed four intervals of 4 minutes of running (4X4) with three minutes of recovery between each running interval. During each three minute recovery interval, measurements recorded included: HRR for the first minute …
Augmented Eccentrics: Acute Effects On Jump Performance, James Matson
Augmented Eccentrics: Acute Effects On Jump Performance, James Matson
WWU Graduate School Collection
The purpose of this study was to examine the acute effect on countermovement jump performance when augmenting the eccentric load via the use of external resistance. Female subjects (n= 12) were recruited from the Western Washington University Division II NCAA volleyball team. The augmenting protocol involved the athletes holding Sandbells® at their side during the lowering phase, dropping them before the bottom of the countermovement, and immediately performing an explosive jump. The results indicated no significant effect of augmenting the eccentric phase with 28.98 ± 4.10 % of BW on performance measures that included: jump height, pre-load, modified RSI, peak …