FOREARM – BRACHIORADIALIS
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BRACHIORADIALIS, BICEPS BRACHII
– EZ Curl, DB Curl, BB Curl
Differences in electromyographic activity of biceps brachii and brachioradialis while performing three variants of curl – Marcolin – 2018
Procedure
1×10 @65% 1-RM for each variant of curl
Results
Brachioradialis: EZ Curl 45% . Barbell Curl 40% . DB Curl 35%
+ Biceps Brachii: EZ Curl 75% . Barbell Curl 72% . DB Curl 70%
LATS, INFRASPINATUS, MIDDLE-LOWER TRAPS, BICEPS, BRACHIORADIALIS
– Pullup vs. Chinup
EMG analysis of muscle activation during 4 different grips of pull-ups – 2017 – Dickie
Procedure
– 5 reps added load; 4 grip orientations
Results
Note: I don’t know the location of the electrodes for the Latissimus Dorsi.
Brachioradialis (80-65%): pronated 80% · neutral 70% · rope 70% · supinated 65%
Biceps Brachii (58-52%): neutral 60% · supinated 55% · pronated 55% · rope 50%
+ Latissimus Dorsi (41-32%): rope 40% · pronated 40% · supinated 35% · neutral 30%
+ Middle Trap (48-28%): pronated 50% · rope 30% · supinated 25% · neutral 25%
+ Lower Trap (30-21%): pronated 30% · supinated 25% · neutral 25% · rope 20%
+ Infraspinatus (48-40%): rope 45% · pronated 45% · supinated 40% · neutral 40%