GenetiKing
New member
You can shift the emphasis of a particular exercise on different portions of a given muscle but you will not be able to change the inherent shape of a muscle which is genetically predetermined.
From a biomechanical persepctive, you definitely can redirect the majority of a workload to certain tricep head but to say that that will cause increased growth in that head has never been proven.
For instance, applying the concept of "active insufficiency" to the triceps: The inner head will be carrying more of a workload doing any "overhead" tricep exercise simply because it is placed on stretch from this position and will achieve more contractile force this way. (Remember that the other two heads DO NOT attach at the shoulder...just at the elbow...and are therefore not multijoint muscles so we cannot apply active or inactive insufficiency to them). Likewise, the inner head will be working to a lesser degree from the opposite position (arms to the side...cable pushdowns of any variation) since the inner head is not being placed on stretch at the non-moving articulation (shoulder joint).
Clear as mud?
From a biomechanical persepctive, you definitely can redirect the majority of a workload to certain tricep head but to say that that will cause increased growth in that head has never been proven.
For instance, applying the concept of "active insufficiency" to the triceps: The inner head will be carrying more of a workload doing any "overhead" tricep exercise simply because it is placed on stretch from this position and will achieve more contractile force this way. (Remember that the other two heads DO NOT attach at the shoulder...just at the elbow...and are therefore not multijoint muscles so we cannot apply active or inactive insufficiency to them). Likewise, the inner head will be working to a lesser degree from the opposite position (arms to the side...cable pushdowns of any variation) since the inner head is not being placed on stretch at the non-moving articulation (shoulder joint).
Clear as mud?