You can modify the difficulty by bending your knees (easier) or extending your legs (harder ... the squeeze in your triceps. Single-Arm Overhead Dumbbell Extension: 3 sets of 10-15 reps per ...

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This occurs at the hip and shoulder, returning the arms and legs back to their original position from a jumping jack movement or when swimming breaststroke. Key fact Flexion and extension are a ...

If you have a push day and a pull day, back extensions are part of a pull day. If you divide your workouts by area — arm day, ...

dynamic-static trunk extension, dynamic leg extension, dynamic-static leg extension) in randomized order at an intensity of 60% of 1-RM (one repetition maximum). Surface EMG signals of Latissimus ...