1 SWIS 2023 - KASSEM HANSON - N1 EDUCATION EXERCISE SELECTION FOR HYPERTROPHY 2 SWIS 2023EXERCISE SELECTION FOR HYPERTROPHY PRINCIPLES OVER DOGMA ▸ THE BEST EXERCISES ARE NOT: ▸ THE FULLEST ROM ▸ THE MOST CONSTANT TENSION ▸ THE PERFECTLY MATCHED RESISTANCE PROFILE ▸ COMPOUNDS OVER ISOLATIONS OR VICE VERSA ▸ THE MOST BASIC, OLDEST, POPULAR ▸ FREE WEIGHTS VS MACHINES 3 SWIS 2023EXERCISE SELECTION FOR HYPERTROPHY PRINCIPLES OVER DOGMA ▸ THERE IS NOT ONE SINGLE QUALITY OF AN EXERCISE THAT MAKES IT BETTER, BUT RATHER EXERCISES ARE GOING TO HAVE PROS AND CONS THAT WE USE PRINCIPLES TO GUIDE US IN THEIR USE AND APPLICATION. ▸ OPTIMAL IS SPECIFIC TO THE INDIVIDUAL, THE CONDITIONS AND THE GOAL. IN THIS TALK, WE HAVE TO PUT ASIDE THE INDIVIDUAL TO DISCUSS THE PHYSIOLOGY IN PRINCIPLE, BUT WHEN YOU APPLY THESE PRINCIPLES, YOU MUST CONSIDER THE INDIVIDUAL AND CONTEXT TO WHICH YOU ARE APPLYING THEM. 4 SWIS 2023EXERCISE SELECTION FOR HYPERTROPHY PRINCIPLES OF EXERCISE SELECTION ▸ SPECIFICITY AND/OR BIAS ▸ MUSCLE LENGTH VS RANGE OF MOTION ▸ RESISTANCE CHALLENGE ▸ STABILITY / COORDINATION ▸ LOAD-ABILITY AND FATIGUE LIMITATIONS ▸ PROXIMITY TO FAILURE CONSIDERATIONS 5 PRINCIPLES OF EXERCISE SELECTION SPECIFICITY - “BIAS” ▸ HOW SPECIFIC IS THE MOVEMENT AND RESISTANCE CHALLENGE IS TO THE FORCE VECTOR AND STRENGTH CURVE OF THE MUSCLE. ▸ HOW WELL DOES THE EXERCISE MOTION MATCH THE MOTION OF THE TARGET MUSCLE ▸ DOES THE RESISTANCE CHALLENGE THE MAIN ACTION/FUNCTION OF THE MUSCLE ▸ IS THE ACTION OF THE TARGET MUSCLE THE MOST CHALLENGED MOTION IN THE EXERCISE. 6 PRINCIPLES OF EXERCISE SELECTION SPECIFICITY - “BIAS” ▸ IMPACTS THE MOTOR RECRUITMENT OF THE TARGET MUSCLE. ▸ THE NERVOUS SYSTEM SEEMS TO FAVOR RECRUITING THE MOST DIRECT TISSUES FOR A MOVEMENT. ▸ IMPACTS THE PROXIMITY TO FAILURE RELATIVE TO SYNERGIST MUSCLES. ▸ MUSCLE FATIGUE:0RIR OF A MOVEMENT ▸ IN COMPOUND MOVEMENTS, FATIGUE AT ONE JOINT CAN LEAD TO FAILURE WHEN THE MUSCLES AT ANOTHER JOINT ARE FAR FROM FATIGUE. ▸ WHEN THE MOST SPECIFIC MUSCLE IN A MOTION BECOMES FATIGUED, THE SYNERGIST MUSCLES CAN ONLY MAKE UP SO MUCH OF THE FORCE BECAUSE THEIR FORCE IS INDIRECT AND ONLY CONTRIBUTES FACTIONALLY TO THE MOVEMENT. 7 PRINCIPLES OF EXERCISE SELECTION SPECIFICITY AND/OR BIAS IS GOING TO COME FROM THE COMBINATION OF EXERCISE SELECTION, SETUP, AND TECHNIQUE. ▸ EXERCISES PUT A CONSTRAINT AND STANDARD ON A MOVEMENT. ▸ SETUP AND TECHNIQUE ADD FURTHER CONSTRAINT AND STANDARDS TO A MOVEMENT MAKING IT EVEN MORE SPECIFIC. ▸ EXAMPLE 1: THERE ARE MANY WAYS TO PERFORM A SQUAT ▸ BAR PLACEMENT, STANCE/FOOT PLACEMENT, USE OF HEEL ELEVATION, INTENTION/TECHNIQUE OF KNEE AND HIP MOVEMENT. ▸ EXAMPLE 2: LEG PRESS ▸ FOOT PLACEMENT CHANGES THE ROM AT THE KNEE AND HIP, THE DIRECTION OF HIP EXTENSION, AND THE LOADING RELATIONSHIP BETWEEN THE KNEE AND HIP. 8 PRINCIPLES OF EXERCISE SELECTION EXAMPLES OF SPECIFICITY IN THE RESEARCH ▸ SQUAT VS HIP THRUST ▸ THE HIP THRUST BEING A SMALLER ROM, AND A SHORTER MUSCLE LENGTH, IS A MOTION MORE SPECIFIC TO THE GLUTE MAX, AND YIELDED SIMILAR HYPERTROPHY RESULTS AS THE SQUAT IN THE GLUTE MAX, BUT LESS RELATIVE HYPERTROPHY IN THE QUADS AND ADDUCTORS. ▸ THE HIP EXTORTION MOTION IN THE SQUAT USED IN THE STUDY WAS LESS SPECIFIC TO THE GLUTES, AND THE SQUAT MOTION WAS ACTUALLY LIMITED BY THE KNEE EXTENSION. WHEN PARTICIPANTS REACHED FAILURE IN THE HIP THRUST, FAILURE TO BE ABLE TO PERFORM HIP EXTENSION WAS THE LIMITER, WHEREAS IN THE SQUAT, KNEE EXTENSION (THE QUADS) WERE THE LIKELY LIMITER, MEANING THAT THE GLUTES LIKELY HAD QUITE A FEW REPS IN RESERVE (THEREFORE NOT THE SAME LEVEL OF MUSCULAR FATIGUE AS THE HIP THRUST AT THE POINT OF FAILURE) 9 PRINCIPLES OF EXERCISE SELECTION EXAMPLES OF SPECIFICITY IN THE RESEARCH ▸ SQUAT VS LEG EXTENSION ▸ THE SQUAT MOTION IS BOTH KNEE EXTENSION AND HIP EXTENSION. THE RECTUS FEMORIS IS A HIP FLEXOR AS WELL AS A KNEE EXTENSOR. ▸ THE RECTUS FEMORIS HYPERTROPHIES RELATIVELY POORLY IN SQUAT MOTIONS COMPARED TO A LEG EXTENSION WHICH DOES NOT INCLUDE A HIP EXTENSION MOTION. ▸ HAMSTRING HYPERTROPHY IN SQUATS ▸ SIMILARLY, WE SEE THE SAME THING FOR THE HAMSTRINGS WHERE EXERCISES THAT INCLUDE BOTH KNEE AND HIP EXTENSION HAVE A LIMITED HYPERTROPHY STIMULUS ON THE HAMSTRINGS WHICH ARE BOTH HIP EXTENSORS AND KNEE FLEXORS. 10 PRINCIPLES OF EXERCISE SELECTION EXAMPLES OF SPECIFICITY IN THE RESEARCH ▸ PRESSING ANGLE ON PECTORAL DIVISIONS ▸ THE QUALITY OF STUDY DESIGNS ARE NOT AS GOOD HERE, BUT WE DO NOW HAVE MULTIPLE EXAMPLES OF HOW THE PRESSING ANGLES CORRESPONDS TO THE PECTORAL DIVISION THAT MATCHES THE MOTION. ▸ PULLING ANGLE ON LAT DIVISIONS (*EMG) ▸ VERTICAL PULLING CORRESPONDS TO THE LOWER DIVISIONS OF THE LATS AND HORIZONTAL PULLING TO THE UPPER DIVISION OF THE LATS 11 PRINCIPLES OF EXERCISE SELECTION HOW SPECIFIC CAN WE GET ▸ USING LIMITED PROXIES LIKE EMG, AND MUSCLE OXYGENATION, WE HAVE MEASURED SIGNIFICANT BIAS ACROSS DIFFERENT DIVISIONS OF TRICEPS AND BICEPS. HOWEVER THESE PROXIES HAVE LIMITATIONS, AND WE STILL NEED DIRECT HYPERTROPHY STUDIES ON THIS LEVEL OF NUANCE. 12 PRINCIPLES OF EXERCISE SELECTION MUSCLE LENGTH VS RANGE OF MOTION ▸ MUSCLE LENGTH REFERS TO THE PHYSIOLOGICAL LENGTH OF A MUSCLE, WHEREAS ROM IS OFTEN REFERRING TO A JOINT OR MOTION OF AN EXERCISE. SOMETIMES IT CAN BE UNCLEAR WHAT ROM IS REFERRING TO, SO BE CAREFUL BOTH IN USE, AND WHEN INTERPRETING CLAIMS OR ROM. ▸ THE ELBOW HAS A RANGE OF MOTION, AS DOES THE SHOULDER. ▸ THE BICEPS HAVE A MUSCLE LENGTH THAT IS IMPACTED BY BOTH THE ELBOW AND SHOULDER ORIENTATION. ▸ AN EXERCISE WILL BE ABLE TO BE PERFORMED FOR A GIVEN ROM, THAT MAY OR MANY NOT BE FULL ROM OF THE JOINTS INVOLVED. 13 PRINCIPLES OF EXERCISE SELECTION MUSCLE LENGTH & RANGE OF MOTION ▸ SHORT BIAS INCREASES THE RELATIVE METABOLIC STIMULUS:LASTING FATIGUE, BUT HAVE A LOWER PER SET HYPERTROPHY STIMULUS. ▸ LENGTHENED BIAS INCREASES THE PER RELATIVE VOLUME MECHANICAL TENSION STIMULUS. 14 PRINCIPLES OF EXERCISE SELECTION MUSCLE LENGTH & RANGE OF MOTION ▸ LENGTHENED BIASED TRAINING HAS GREATER LASTING FATIGUE, WHICH MAY BE GREATER AT TERMINAL LENGTHS. ▸ HOWEVER THE STIMULUS:FATIGUE RATIO MAY STILL BE IN THE FAVOR OF GREATER HYPERTROPHY, ESPECIALLY WHEN FACTORING IN THE REPEATED BOUT EFFECT. 15 PRINCIPLES OF EXERCISE SELECTION MUSCLE LENGTH & RANGE OF MOTION RESEARCH ▸ WE NOW HAVE HYPERTROPHY RESEARCH ON THE BICEPS, TRICEPS, GLUTES, QUADS, HAMSTRINGS, SARTORIUS, CALVES SHOWING THAT TRAINING AT AVERAGE LONGER MUSCLE LENGTHS IS SUPERIOR FOR HYPERTROPHY. ▸ ADDITIONALLY MANY (NOT ALL) ANECDOTES FROM THE BODYBUILDING WORLD HAVE FAVORED TRAINING AT LONGER MUSCLE. ▸ THE EVIDENCE THAT WAS PREVIOUSLY USED TO ARGUE FOR FULLROM TRAINING ACTUALLY SUPPORTS TRAINING AT LONGER MUSCLE LENGTHS, AS IT WAS ONLY WHEN COMPARED TO SHORT BIASED TRAINING THAT FULL ROM TRAINING WAS BETTER. ▸ *THERE ARE A FEW OUTLIER STUDIES THAT HAVE SOME ISSUES, BUT THE BODY OF RESEARCH LEANS VERY MUCH IN FAVOR OF TRAINING AT LONGER MUSCLE LENGTHS FOR HYPERTROPHY. 16 PRINCIPLES OF EXERCISE SELECTION TRAINING AT LONGER MUSCLE LENGTHS ▸ CHOOSE EXERCISES THAT WORK AT LONGER MUSCLE LENGTHS FOR THE TARGET MUSCLE ▸ SEATED LEG CURL VS LYING FOR HAMSTRINGS ▸ SINGLE ARM PULL AROUNDS VS TRADITIONAL PULLING MOTIONS ▸ USE A PARTIAL ROM IN THE LENGTHENED POSITION ▸ PERFORMING THE BOTTOM 1/2 OF A PREACHER CURL VS THE FULLROM ▸ I WILL BE RELEASING A FULL GUIDE ON LENGTHENED BIASED TRAINING SOON. Seated Leg Curl Short Muscle length Semitendinosus Semimembranosus Long Head Biceps Femoris Short Head Biceps Femoris Sartorius Gracilis Vertical axis represents Resistance Challenge Long Lying Leg Curl Short Muscle length Semitendinosus Semimembranosus Long Head Biceps Femoris Short Head Biceps Femoris Sartorius Gracilis Vertical axis represents Resistance Challenge Long Lying Leg Curl Seated Leg Curl Short Muscle length Long Short Muscle length Semitendinosus Semimembranosus Long Head Biceps Femoris Short Head Biceps Femoris Sartorius Gracilis Vertical axis represents Resistance Challenge Vertical axis represents Resistance Challenge Long Lats- iliac division Short Muscle length Horizontal row High row Wide grip pulldown Thoracic pull around Lumbar pull around Iliac Pull around Vertical axis represents Resistance Challenge Long Lats- Thoracic division Short Muscle length Horizontal row High row Wide grip pulldown Thoracic pull around Lumbar pull around Iliac Pull around Vertical axis represents Resistance Challenge Long Lengthened Bias Techniques Short Exercise Range of Motion Long Lengthened Partial 1/3 rep Lengthened Partial 1/2 rep Integrated Partials 1 + 1/4 Reps Integrated Partials 1+1/2 Reps Full + 1/3 ROM partials extended set 33% reps Full ROM Vertical axis Represents % Volume distribution over ROM Lengthened Biased Set volume Short Exercise Range of Motion Long All sets Full ROM 50:50 short:long Partial ROM sets 30:70 Short:Long Partial ROM set 50:50 Full ROM To Lengthened partial 30:70 Full ROM To Lengthened Partials All sets lengthened 50% partials Vertical axis Represents % Volume distribution over ROM 24 PRINCIPLES OF EXERCISE SELECTION RESISTANCE CHALLENGE ▸ WHERE WITHIN THE RANGE OF MOTION THE RESISTANCE IS MORE CHALLENGING RELATIVE TO THE STRENGTH AT THAT RESPECTIVE RANGE OF MOTION. ▸ THIS IS NOT THE SAME AS THE EXTERNAL RESISTANCE CURVE/PROFILE, BUT MAY OFTEN CORRELATE. RATHER THIS IS HOW THE EXTERNAL RESISTANCE CURVE RELATES TO THE STRENGTH CURVE. Semitendinosus Short Muscle length Seated leg curl Rdl Lying leg curl 45° extension Vertical axis represents Resistance Challenge Long Semitendinosus Short Muscle length Seated leg curl Rdl Lying leg curl 45° extension Vertical axis represents Resistance Challenge Long 27 PRINCIPLES OF EXERCISE SELECTION THE MUSCLE LENGTH AND RESISTANCE GO TOGETHER ▸ WE HAVE EVIDENCE THAT SUPPORTS TRAINING AT LONGER MUSCLE LENGTHS, BUT A CAVEAT IS THAT IT ALSO IS IN EXERCISES WHERE THE CHALLENGE IS ALSO HIGH IN THE LENGTHENED PORTION. ▸ EXAMPLE: A STUDY COMPARING THE INCLINE DUMBBELL CURL TO THE PREACHER CURL FOUND THE PREACHER CURL TO BE SUPERIOR FOR HYPERTROPHY. ▸ THE LIKELY EXPLANATION FOR THIS IS THAT DESPITE THE INCLINE CURL MOTION BEING AT A LONGER MUSCLE LENGTH, THE CHALLENGE OF PREACHER CURL ACTUALLY OCCURS AT A LONGER MUSCLE LENGTH THAN THE INCLINE CURL. SO SIMPLY GOING LONGER MUSCLE LENGTH ISN’T THE GOAL, BUT ACTUALLY CHALLENGING THE MUSCLE AT THE LONGER LENGTH. 28 PRINCIPLES OF EXERCISE SELECTION STABILITY / COORDINATION ▸ SKILL, AND BALANCE DEMAND ▸ NUMBER OF JOINTS, ACTIONS, AND MUSCLES INVOLVED. ▸ SYNCHRONIZATION AND COORDINATION OF THE ABOVE ▸ BALANCE AND NON BENEFICIAL FORCE MANAGEMENT. ▸ ONLY THE FORCES DIRECTLY CHALLENGING THE TARGET MUSCLE ARE BENEFICIAL, AND ANY OTHER BALANCE OR STABILITY CHALLENGE ONLY DECREASES THE POTENTIAL STIMULUS. 29 PRINCIPLES OF EXERCISE SELECTION STABILITY / COORDINATION ▸ WHEN AN EXERCISE HAS A GREATER SKILL AND/OR BALANCE COMPONENT, THIS CAN LIMIT THE ABSOLUTE RECRUITMENT OF THE MUSCLE, AS WELL AS INCREASE THE FATIGUE RELATIVE TO THE MECHANICAL TENSION STIMULUS WE CAN ACHIEVE. ▸ SKILL AND BALANCE INCREASES THE PERCEIVED EFFORT AND INTRODUCES FAILURE POINTS THAT COME EARLIER RELATIVE THE MUSCLES STIMULUS AND FATIGUE. ▸ REMOVING SKILL AND BALANCE REQUIREMENTS IN TRAINING REMOVES THOSE BARRIERS TO MAXIMIZING THE HYPERTROPHY STIMULUS. 30 PRINCIPLES OF EXERCISE SELECTION LOAD-ABILITY AND FATIGUE CONSIDERATIONS ▸ INTENSITY RANGE (%1RM) THAT CAN BE MANAGED WITHOUT COMPROMISING TECHNIQUE, SPECIFICITY, OR STIMULUS:FATIGUE ▸ NON BENEFICIAL FATIGUE FACTORS SUCH AS LIMITED BREATHING, RESPIRATION, PAIN/DISCOMFORT, OR DISPROPORTIONATELY HIGHER PERCEIVED EFFORT OR FEAR OF FAILURE. ▸ IMPACTS THE PRODUCTIVE REP RANGE ▸ IMPACTS THE RELATIVE EFFORT (RIR) : STIMULUS 31 PRINCIPLES OF EXERCISE SELECTION PROXIMITY TO FAILURE CONSIDERATIONS ▸ SOME EXERCISES ARE SIMPLY SAFER TO TAKE TO FAILURE. ▸ SOME EXERCISES HAVE A LOWER ROI IN RELATIONSHIP TO FATIGUE GOING ALL THE WAY TO FAILURE. ▸ EXERCISES THAT ARE MORE SPECIFIC ENSURE FAILURE IS CAUSED BY THE TARGET MUSCLES, WHEREAS EXERCISES THAT ARE LESS SPECIFIC MAY BE LIMITED BY OTHER MUSCLES, GIVING YOU A LOWER STIMULUS IN THE TARGET MUSCLES, AND MORE IN OTHERS, AS WELL AS A POOR TARGET STIMULUS:SYSTEMIC FATIGUE RATIO. ▸ FAILURE IN A SHORT BIASED EXERCISE LIKELY LEAVES A LOT OF STIMULUS ON THE TABLE. YOU COULD COMPENSATE WITH VOLUME IF YOU DON’T HAVE BETTER OPTIONS, BUT IT IS LESS SET EFFICIENT. 32 CHOOSING AND PROGRAMMING APPLICATION OF THE PRINCIPLES ▸ CHOOSE FROM THE AVAILABLE EXERCISES THOSE THAT HAVE AS MANY OF THE PRINCIPLES AS POSSIBLE. ▸ YOU’RE NOT GOING TO HAVE PERFECT EXERCISES ALL OR EVEN MOST OF THE TIME. LUCKILY THERE ARE PLENTY OF EXERCISES OPTIONS THAT ARE GOOD ENOUGH. ▸ CHOOSE EXERCISES THAT COMPLIMENT EACH OTHER MAKING UP FOR THE SHORT COMING OF OTHERS. ▸ YOU MAY HAVE AN OPTION THAT IS BETTER FOR MUSCLE LENGTH AND SPECIFICITY AND ANOTHER THAT IS BETTER FOR STABILITY AND LOAD ABILITY. 33 CHOOSING AND PROGRAMMING APPLICATION OF THE PRINCIPLES ▸ CHOOSE WHEN AND HOW TO APPLY EFFORT ACROSS EXERCISES. NOT EVERY EXERCISES IS IDEAL FOR TRAINING HEAVY, HIGH REPS, TO FAILURE ETC. ▸ DON’T FIGHT THE LIMITATIONS OF AN EXERCISE, USE IT FOR ITS PROS AND MAKE UP FOR ITS CONS WITH ANOTHER EXERCISE, VOLUME, OR SPECIAL TECHNIQUES. ▸ LEARN HOW TO ORGANIZE EXERCISES BASED ON THEIR LIMITATIONS FOR THE BEST OUTCOME. ▸ EXERCISES THAT HAVE A HIGHER SKILL COMPONENT ARE GOING TO BE HARDER TO BENEFIT FROM ONCE YOU ARE FATIGUED. ▸ SHORT BIASED EXERCISES BURN MORE ENERGY FOR THE HYPERTROPHY STIMULUS YOU’RE GETTING, SO YOU MAY WANT TO DO YOUR LENGTHENED EXERCISES EARLIER IN THE SESSION. 34 CHOOSING AND PROGRAMMING EXAMPLES OF APPLICATION ▸ INSTEAD OF DUMBBELL LATERAL RAISES, PERFORM A WRIST HEIGHT CABLE LATERAL RAISE. ▸ PROS: LONGER MUSCLE LENGTH, LENGTHENED CHALLENGE, LIMITS THE SHORTENING. ▸ LIMITATIONS: BETTER SINGLE ARM, SLIGHT INCREASE IN STABILITY DEMAND IF YOU DON’T HAVE SOMETHING TO HOLD ON TO. ▸ IF YOU DON’T HAVE CABLES, CONSIDER PARTIALS OR CHANGING BODY ORIENTATION. 35 CHOOSING AND PROGRAMMING EXAMPLES OF APPLICATION ▸ INSTEAD OF DOING PREACHER CURLS AND INCLINE DB CURLS, TRY LYING PREACHER CURLS ▸ PROS: LONG MUSCLE LENGTH AND CHALLENGE, WITH MORE STABILITY AND SPECIFICITY TO ELBOW FLEXION THAN A LOW CABLE CURL TO ACCOMPLISH THE SAME LOADING. ▸ LIMITATIONS: NOT QUITE AS LONG MUSCLE LENGTH FOR THE LONG HEAD AS THE INCLINE CURL OR LOW CABLE CURL. 36 CHOOSING AND PROGRAMMING EXAMPLES OF APPLICATION ▸ IF YOU’RE FOCUSING MORE ON HAMSTRINGS, USE MORE SEATED LEG CURLS THAN LYING, BUT STILL DO BOTH. ▸ KEEP IN MIND HOW MUCH LENGTHENED HAMSTRING WORK YOU GET FROM HINGING EXERCISES, AND REMEMBER THE SHORT HEAD OF THE BICEPS FEMORIS DOESN’T GET TRAINED IN HIP EXTENSION, BUT ALSO DOESN’T GET IMPACTED BY WHICH LEG CURL YOU CHOOSE. ▸ IF YOU ONLY HAD THE LYING LEG CURL, CONSIDER USING SOME PARTIAL REP TECHNIQUES. 37 CHOOSING AND PROGRAMMING EXAMPLES OF APPLICATION ▸ FOR GLUTES, DON’T RELY ON LOWER BODY PRESSING OPTIONS WHERE THE QUADS ARE THE LIMITER. ▸ USE HIGHER FOOT PLACEMENT ON LEG PRESS MACHINES ▸ USE HANGER SQUAT AND DEADLIFT MOTIONS ▸ USE REVERSE LUNGES OVER SPLIT SQUATS IN SOME CASES AND MIND YOUR SETUP ON BOTH. ▸ DON’T UNDERESTIMATE THE VALUE OF HIGHLY SPECIFIC EXERCISES LIKE BRIDGES AND PRESS/KICKBACKS, BUT UNDERSTAND THEY MAY NOT HAVE THE SAME PER/SET STIMULUS, BUT ALSO LESS FATIGUE. 38 CHOOSING AND PROGRAMMING EXAMPLES OF APPLICATION ▸ FOR LATS, CONSIDER USING EXERCISES LIKE PULL AROUNDS FOR A LONGER MUSCLE LENGTH, BUT ALSO MACHINES FOR THE HIGH STABILITY. ▸ CONSIDER PARTIALS OF ONLY THE SCJ ACTION FOR MORE LAT BIAS OVER THE OTHER SHOULDER EXTENSORS ▸ CONSIDER PARTIALS ESPECIALLY WHEN THE EXERCISES HAVE A SHORT BIASED CHALLENGE LIKE MOST FREE WEIGHT AND CABLE MOTIONS, AND EVEN MANY MACHINES. ▸ YOU DON’T NEED TO DO 2:1 PULL TO PRESSING IF THE EXERCISES HAVE THE SAME QUALITIES, BUT SINCE MOST PULLING MOTIONS ARE SHORT BIASED, CHOOSING A VOLUME THAT IS MORE RELATIVE TO THE EXERCISE QUALITIES MAKES SENSE.