Tendons exhibit greater resistance to tissue and molecular-level damage with increasing strain rate during cyclic fatigue

JL Zitnay, AH Lin, JA Weiss - Acta biomaterialia, 2021 - Elsevier
Musculoskeletal soft connective tissues are commonly injured due to repetitive use, but the
evolution of mechanical damage to the tissue structure during repeated loading is poorly …

The relationship between variability in baseball pitching kinematics and consistency in pitch location

JA Glanzer, AZ Diffendaffer, JS Slowik… - Sports …, 2021 - Taylor & Francis
The purpose of this study was to explore the relationship between variability in pitching
kinematics and consistency in pitch location. Data were collected for 47 healthy baseball …

Intra-versus inter-pitcher comparisons: Associations of ball velocity with throwing-arm kinetics in professional baseball pitchers

JE Manzi, JA Estrada, B Dowling, JJ Ruzbarsky… - Journal of Shoulder and …, 2021 - Elsevier
Background The association between ball velocity and elbow varus torque has shown
differences when evaluated within a single pitcher and within a cohort. The impact of …

Increased shoulder distraction force and shoulder horizontal abduction in professional baseball pitchers with discordant torso rotation order

JE Manzi, B Dowling, JS Dines… - … American Journal of …, 2021 - journals.sagepub.com
Background: Inefficient energy transfer from the pelvis and trunk has been shown to
increase compensation at the level of the shoulder. Kinetic chain sequencing of the core …

Association of pitch timing and throwing arm kinetics in high school and professional pitchers

JE Manzi, B Dowling, Z Wang… - … American Journal of …, 2021 - journals.sagepub.com
Background: Understanding the relationship between the temporal phases of the baseball
pitch and subsequent joint loading may improve our understanding of optimal pitching …

Effort-dependent effects on uniform and diverse muscle activity features in skilled pitching

T Hashimoto, K Takiyama, T Miki, H Kobayashi… - Scientific Reports, 2021 - nature.com
How do skilled players change their motion patterns depending on motion effort? Pitchers
commonly accelerate wrist and elbow joint rotations via proximal joint motions …

Intrasession and intersession reliability of isometric trunk and hip strength measurements using the portable tension dynamometer

S Oyama, E Garza, K Dugan - Journal of Sport …, 2021 - journals.humankinetics.com
Context: The trunk/pelvis is an important link between the upper-and lower-extremities.
Therefore, assessing strength of the trunk and hip muscles that control the segments is …

Elbow torque is reduced in asymptomatic college pitchers with elbow laxity: a dynamic ultrasound study

LS Khalil, FS Meta, JS Tramer, CL Klochko… - … : The Journal of …, 2021 - Elsevier
Purpose To determine the relation between medial elbow torque, as measured by wearable
sensor technology, and adaptations of the medial elbow structures on dynamic ultrasound …

Elbow flexion post ball release is associated with the elbow varus deceleration moments in baseball pitching

MJ Solomito, EJ Garibay, E Golan… - Sports Biomechanics, 2021 - Taylor & Francis
The association between breaking pitches and elbow injury remains nebulous.
Biomechanical studies have shown that throwing a fastball rather than a curveball results in …

Shadow pitching deviates ball release position: kinematic analysis in high school baseball pitchers

S Miyazaki, G Yamako, K Totoribe, T Sekimoto… - BMC Sports Science …, 2021 - Springer
Background Although shadow pitching, commonly called “towel drill,” is recommended to
improve the throwing motion for the rehabilitation of pitching disorders before the initiation of …