Estimation of the wrist path radius in hammer throwing using a wrist-mounted inertial measurement unit: Validation against optical motion capture — Dataset

Version 1.2
Moreno-Salinas, David; Sánchez-Moreno, José; Revuelta Parra, Carlos; López González, Raúl, 2026, "Estimation of the wrist path radius in hammer throwing using a wrist-mounted inertial measurement unit: Validation against optical motion capture — Dataset", https://doi.org/10.21950/T7ZVTH, e-cienciaDatos, V1
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Description
This dataset contains the raw and processed data used to validate a method for estimating the wrist path radius in hammer throwing using a single wrist-mounted inertial measurement unit (Movella DOT) against a VICON optical motion capture system. Data correspond to five throws performed by one experienced male hammer thrower. The dataset includes: (1) IMU data from two Movella DOT sensors (left wrist and right foot) sampled at 120 Hz (Euler angles, tri-axial accelerometer, gyroscope, and magnetometer); (2) VICON motion capture data at 120 Hz with 15 body markers and model outputs (joint angles, angular velocities, marker 3D coordinates); and (3) MATLAB .mat files containing the computed wrist path radii using four VICON-based methods (geometric, kinematic, Lee, and centroid-based) and the IMU-based radius estimate. Event timing data for turn segmentation are also included. (2026-05-29)
Subject Engineering; Medicine, Health and Life Sciences
Keyword hammer throwing, wrist path radius, inertial measurement unit, IMU, motion capture, VICON, biomechanics, validation
Related Publication Is Supplement To: Sánchez-Moreno, J., Moreno-Salinas, D., Revuelta Parra, C., & López González, R. (2026). Estimation of the wrist path radius in hammer throwing using a wrist-mounted inertial measurement unit: Validation against optical motion capture. Sports Biomechanics (en revisión)doi: When available
Notes Data associated with the manuscript "Estimation of the wrist path radius in hammer throwing using a wrist-mounted inertial measurement unit: Validation against optical motion capture", submitted to the Journal of Sports Biomechanics. IMU data were collected using two Movella DOT sensors (firmware 3.0.0, app version 2023.6.0) at 120 Hz. VICON data were exported from Nexus at 120 Hz with 15 body markers. The StartTime timestamp was removed from IMU files to preserve participant privacy. MATLAB .mat files contain the computed wrist path radii (geometric, kinematic, Lee, and centroid-based methods from VICON, and accelerometry-based radius from IMU) along with event timing data for turn segmentation.
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README.txt
Hammer_throwing_wrist_radius_dataset/Plain Text - 11,1 KB
Published Jun 1, 2026
2 Downloads
MD5: ba05e26c78b92440e73e0a66050cc7a5
Dataset documentation including folder structure, variable descriptions, units, and references.
Preview "Hammer_throwing_wrist_radius_dataset/README.txt"
Right_foot_IMU_01.csv
Hammer_throwing_wrist_radius_dataset/IMU_data/Comma Separated Values - 440,2 KB
Published Jun 1, 2026
1 Downloads
MD5: cc9554171fcedc062866c477b5bc809f
Raw data from Movella DOT sensor on right foot (120 Hz). Used for turn event detection.
Right_foot_IMU_02.csv
Hammer_throwing_wrist_radius_dataset/IMU_data/Comma Separated Values - 439,7 KB
Published Jun 1, 2026
1 Downloads
MD5: c96eef3960de9e84b62aba739a83ccd6
Raw data from Movella DOT sensor on right foot (120 Hz). Used for turn event detection.
Right_foot_IMU_03.csv
Hammer_throwing_wrist_radius_dataset/IMU_data/Comma Separated Values - 416,4 KB
Published Jun 1, 2026
1 Downloads
MD5: 292b8cdac4966d27115aa9512c9b1569
Raw data from Movella DOT sensor on right foot (120 Hz). Used for turn event detection.
Right_foot_IMU_04.csv
Hammer_throwing_wrist_radius_dataset/IMU_data/Comma Separated Values - 458,3 KB
Published Jun 1, 2026
1 Downloads
MD5: 06b028846de9e0e1972bb1cecd874e9d
Raw data from Movella DOT sensor on right foot (120 Hz). Used for turn event detection.
Right_foot_IMU_05.csv
Hammer_throwing_wrist_radius_dataset/IMU_data/Comma Separated Values - 401,2 KB
Published Jun 1, 2026
1 Downloads
MD5: d7a29b9413343332d12644ab1bf0c8a1
Raw data from Movella DOT sensor on right foot (120 Hz). Used for turn event detection.
Wrist_IMU_01.csv
Hammer_throwing_wrist_radius_dataset/IMU_data/Comma Separated Values - 446,3 KB
Published Jun 1, 2026
1 Downloads
MD5: 85ba1bba786cb5946b68ac5347b254d2
Raw data from Movella DOT sensor on right wrist (120 Hz). Columns: Euler angles, accelerometer, gyroscope, magnetometer.
Wrist_IMU_02.csv
Hammer_throwing_wrist_radius_dataset/IMU_data/Comma Separated Values - 442,2 KB
Published Jun 1, 2026
1 Downloads
MD5: 85af8e83b0e24401a5997d8a0656050e
Raw data from Movella DOT sensor on right wrist (120 Hz). Columns: Euler angles, accelerometer, gyroscope, magnetometer.
Wrist_IMU_03.csv
Hammer_throwing_wrist_radius_dataset/IMU_data/Comma Separated Values - 423,4 KB
Published Jun 1, 2026
1 Downloads
MD5: ab89013f21007cbe1e85caabdcaf4b0d
Raw data from Movella DOT sensor on right wrist (120 Hz). Columns: Euler angles, accelerometer, gyroscope, magnetometer.
Wrist_IMU_04.csv
Hammer_throwing_wrist_radius_dataset/IMU_data/Comma Separated Values - 466,1 KB
Published Jun 1, 2026
1 Downloads
MD5: d1ff35792df5d9d33281132c16e0ec78
Raw data from Movella DOT sensor on right wrist (120 Hz). Columns: Euler angles, accelerometer, gyroscope, magnetometer.
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