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Electromyography of sixteen muscles of the lower limb, trunk, and upper limb muscles were compare... more Electromyography of sixteen muscles of the lower limb, trunk, and upper limb muscles were compared between forehand shot after traditional midcourt movement pattern and traditional frontcourt movement pattern of a three female squash players (age: 14.5±0.5 years old; height 1.48±0.15 m; mass: 44.67±1.53 Kg), ranked in the Squash National Egyptian team. Surface electromyographic (sEMG) electrodes were placed according to SENIAM guidelines on the skin, superficial to right-sided postural proximal of the trapezius, posterior deltoid, anterior deltoid, triceps brachii, biceps brachii, pectoralis major, serratus anterior, rectus abdominis, external abdominal, glutaeus medius, gluteus maximus, biceps femoris, rectus Femoris, tibialis anterior, gastrocnemius, and soleus muscle. EMG data were 16 bit A/D converted at 1000 Hz and stored on computer. EMG signals were amplified (gain of 400), band pass filtered (10 to 500Hz), full wave rectified using root mean square average, and normalized to...

Journal of Applied Sports Science, Sep 1, 2016

Electromyography of sixteen muscles of the lower limb, trunk, and upper limb muscles were compare... more Electromyography of sixteen muscles of the lower limb, trunk, and upper limb muscles were compared between Backhand shot after traditional midcourt movement pattern and traditional frontcourt movement pattern of a three female squash players (age: 14.5±0.5 years old; height 1.48±0.15 m; mass: 44.67±1.53 Kg), ranked in the Squash National Egyptian team. Surface electromyographic (sEMG) electrodes were placed according to SENIAM guidelines on the skin, superficial to right-sided postural proximal of the trapezius, posterior deltoid, anterior deltoid, triceps brachii, biceps brachii, pectoralis major, serratus anterior, rectus abdominis, external abdominal, glutaeus medius, gluteus maximus, biceps femoris, rectus femoris, tibialis anterior, gastrocnemius, and soleus muscle. EMG data were 16 bit A/D converted at 1000 Hz and stored on computer. EMG signals were amplified (gain of 400), band pass filtered (10 to 500Hz), full wave rectified using root mean square average, and normalized to the isometric maximum voluntary contraction (MVC). Mean and standard deviation of the muscles activity (%MVC) and work-loading (% Total activity area) were calculated from the start of the two tasks to the end of Backhand shot recovery phase. The results showed that there were significant differences between both tasks in muscle activity of biceps brachii and gluteus maximus muscle, and the percentage of work-loading of rectus abdominis, gluteus maximus and biceps femoris.

DESCRIPTION Alexandria University The Faculty of Physical Education “For Men” Department of Physi... more DESCRIPTION Alexandria University The Faculty of Physical Education “For Men” Department of Physical Education Origins Biomechanical-Statistical Model of Pushing with legs in Sport Performance A Thesis Presented by Tarek Gamal Mohamed Alaa Eldien Assistant Lecturer in the Department of Physical Education Origins Submitted in Partial Fulfillment of the Requirements for Ph.D. Degree in Physical Education Under Supervision of Prof.Dr. Mohamed Sabry Omar The Head of the Department of Physical Education Origins The Faculty of Physical Education “for Men” Alexandria University Prof.Dr. Omaima Ibrahim El-agamy The Department of Physical Education Origins The Faculty of Physical Education “for Men” Alexandria University Dr. Mohamed Abdelsalam Aly The Department of Physical Education Origins The Faculty of Physical Education “for Men” Alexandria University A. D. 2005 – 1426 H.

Journal of Applied Sports Science, Sep 1, 2016

Electromyography of sixteen muscles of the lower limb, trunk, and upper limb muscles were compare... more Electromyography of sixteen muscles of the lower limb, trunk, and upper limb muscles were compared between Backhand shot after traditional midcourt movement pattern and traditional frontcourt movement pattern of a three female squash players (age: 14.5±0.5 years old; height 1.48±0.15 m; mass: 44.67±1.53 Kg), ranked in the Squash National Egyptian team. Surface electromyographic (sEMG) electrodes were placed according to SENIAM guidelines on the skin, superficial to right-sided postural proximal of the trapezius, posterior deltoid, anterior deltoid, triceps brachii, biceps brachii, pectoralis major, serratus anterior, rectus abdominis, external abdominal, glutaeus medius, gluteus maximus, biceps femoris, rectus femoris, tibialis anterior, gastrocnemius, and soleus muscle. EMG data were 16 bit A/D converted at 1000 Hz and stored on computer. EMG signals were amplified (gain of 400), band pass filtered (10 to 500Hz), full wave rectified using root mean square average, and normalized to the isometric maximum voluntary contraction (MVC). Mean and standard deviation of the muscles activity (%MVC) and work-loading (% Total activity area) were calculated from the start of the two tasks to the end of Backhand shot recovery phase. The results showed that there were significant differences between both tasks in muscle activity of biceps brachii and gluteus maximus muscle, and the percentage of work-loading of rectus abdominis, gluteus maximus and biceps femoris.