Nijhuis, P. (Patti) (2017) Music Into Muscles: Beat Salience Effects Parameters of Motor Control and Muscular Activation. thesis, Human Movement Sciences.
Full text available on request.Abstract
Auditory-motor synchronization is a well-known phenomenon; humans have the ability to entrain their movements to (auditory) rhythms, as can be observed during parties and festivals. Some rhythms are more entraining than others, because they have different structures. Here it is proposed that enhanced salience of the beat improves synchronization and movement stability. This study doesn’t only address the effects of beat salience and tempo on the movement pattern, but also on parameters of neuromuscular control. In a Fitts’ task, participants paced their elbow flexion and extension continuously to three auditory stimuli: a metronome (metro), music with high beat salience (‘easily entraining music’:EEM), and music with low beat salience (‘hardly entraining music’: HEM). The stimuli were presented over the range of 4 tempi (60, 90, 120, 150 beats per minute). Electromyography (EMG) was recorded for 5 upper arm muscles: Biceps short and long head, Triceps long and lateral head and the Brachioradialis muscle. Results showed that higher beat salience increased synchronization of movement to the beat. Additionally, synchronization to the beat was related to a decrease in movement variability that was the result of high beat salience. Tempo showed decreased synchronization to the beat at 150 bpm, accompanied by more variable movement. Muscle activation levels and variation increased when tempo increased, but muscle activation patterns remained relatively unchanged for different levels of beat salience. It is concluded that it is possible to stabilize movement parameters through enhancing beat salience. Hence, beat salience is a main factor in music-induced movement entrainment and enhanced beat salience may aid rhythm based rehabilitation. Beat salience and tempo relate to neuromuscular control of movement production, but muscle activation patterns in the elbow are concluded to be robust.
| Item Type: | Thesis (UNSPECIFIED) |
|---|---|
| Supervisor name: | Bardy, B.G. and Poel, dr. H.J. de and Damm, L. |
| Faculty: | Medical Sciences |
| Date Deposited: | 11 May 2022 07:56 |
| Last Modified: | 11 May 2022 07:56 |
| URI: | https://umcg.studenttheses.ub.rug.nl/id/eprint/3258 |
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