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NASM Muscle funtions
Isolated muscle functions, compensations, imbalances, and corrective strategies.
| Question | Answer |
|---|---|
| In the overhead squat assessment, with the feet turning out compensation, which muscles are overactive? | Soleus, Lateral Gastrocnemius, Biceps Femoris (Short Head) |
| In the overhead squat assessment, with the feet turning out compensation, which muscles are underactive? | Medial gastrocnemius, Medial hamstring complex, gracilis, Sartorius, popliteus. |
| In the overhead squat assessment, with the feet turning out compensation, what would need SMR? | Gastrocnemius, Soleus, Biceps Femoris (Short Head) |
| In the overhead squat assessment, with the feet turning out compensation, what static stretches would be used? | Static gastrocnemius stretch and static supine biceps femoris stretch. |
| In the overhead squat assessment, with the feet turning out compensation, what strengthening exercise would be used? | Single-leg balance reach. |
| In the overhead squat assessment, with the knees moving inward compensation, which muscles would be overactive? | Adductor complex, biceps femoris (short head), tensor fascia latae, and vastus lateralis. |
| In the overhead squat assessment, with the knees moving inward compensation, which muscles are underactive? | Gluteus medius/maximus, Vastus Medial Oblique (VMO) |
| In the overhead squat assessment, with the knees moving inward compensation, which muscles would need SMR? | Adductors, TFL/IT Band |
| In the overhead squat assessment, with the knees moving inward compensation, what static stretches would be used? | Static supine biceps femoris stretch and standing TFL stretch |
| In the overhead squat assessment, with the knew moving inward compensation, which strengthening exercises would be used? | Tube walking; side to side. |
| In the overhead squat assessment, with the excessive forward lean compensation, which muscles are overactive? | Soleus, gastrocnemius, Hip flexor complex and Abdominal complex |
| In the overhead squat assessment, with the excessive forward lean compensation, which muscles are underactive? | Anterior tibialis, gluteus maximus, erector spinae. |
| In the overhead squat assessment, with the excessive forward lean compensation, which muscles would need SMR? | Gastrocnemius/soleus, and quadriceps. |
| In the overhead squat assessment, with the excessive forward lean compensation, which muscles would need static stretching? | Static gastrocnemius stretch and static kneeling hip flexor stretch. |
| In the overhead squat assessment, with the excessive forward lean compensation, which strengthening exercises would be used? | Quadruped arm/opposite leg raise, ball wall squats. |
| In the overhead squat assessment, with the low back arch compensation, which muscles would be overactive? | Hip flexor complex, erector spinae, Latissimus Dorsi |
| In the overhead squat assessment, with the low back arch compensations, which muscles would need SMR? | Quadriceps, Latissimus Dorsi |
| In the overhead squat assessment, with the low back compensation, which muscles would need static stretching? | Quadriceps arm/opposite leg raise, ball squats |
| In the overhead squat assessment, with the arms falling forward compensation, which muscles would be overactive? | Latissimus Dorsi, teres major, pectoralis major/minor |
| In the overhead squat assessment, with the arms falling forward compensation, which muscles would be underactive? | Mid/lower trapezius, rhomboids, rotator cuff |
| In the overhead squat assessment, with the arms falling forward compensation, which muscles would need SMR? | Thoracic spine, Latissimus Dorsi |
| In the overhead squat assessment, with the arms falling forward compensation, which Static stretches would be used? | Latissimus Dorsi ball stretch, pectoral wall stretch |
| In the overhead squat assessment, with the arms falling forward compensation, which strengthening exercises would be used? | Squat to row |
| In the pushing/pulling assessment, with the shoulders elevating compensation, which muscles would be overactive? | Upper trapezius, sternocleidomastoid, levator scapulae |
| In the pushing/pulling assessment, with the shoulders elevating compensation, which muscles would be underactive? | Mid/lower trapezius |
| In the pushing/pulling assessment, with the shoulders elevating compensation, which muscles would need SMR? | Upper Trapezius (Thera Cane) |
| In the pushing/pulling assessment, with the shoulders elevating compensation, which static stretches would be used? | Upper Trapezius, Scalene Stretch |
| In the pushing/pulling assessment, with the shoulders elevating compensation, which strengthening excercises would be used? | Ball Cobra |
| In the pushing/pulling assessment, with the head protruding forward compensation, which muscles would be overactive? | Upper trapezius, sternocleidomastoid, levator scapulae |
| In the pushing/pulling assessment, with the head protruding forward compensation, which muscles would be underactive? | Deep cervical flexors |
| In the pushing/pulling assessment, with the head protruding forward compensation, which muscles would need SMR? | Upper Trapezius (Thera Cane) |
| In the pushing/pulling assessment, with the head protruding forward compensation, which static stretches would be used? | Upper Trapezius, scalene stretch |
| In the pushing/pulling assessment, with the head protruding forward compensation, which strengthening exercise would be used? | Chin tuck, (keep head in neutral position during all exercises) |
| In the single-leg squat assessment, with the knees moving inward compensation, what muscles are overactive? | Adductor complex, biceps femoris (short head)TFL, vastus lateralis |
| In the single-let squat assessment, with the knees moving inward compensation, what muscles are underactive? | Gluteus medius/maximus, vastus medialis obliqe (VMO) |
| What does the Soleus concentrically accelerate? | Plantarflexion |
| What does the Gastrocnemius concentrically accelerate? | Plantarflexion |
| What does the Gluteus Maximus concentrically accelerate? | Hip extension and external rotation |
| What does the TFL concentrically accelerate? | Hip flexion, abduction, and internal rotation. |
| What does the Psoas concentrically accelerate? | Hip flexion and external rotation, extends and rotates lumbar spine. |
| What does the Latissimus Dorsi concentrically accelerate? | Shoulder extension, adduction, and internal rotation. |
| For stabilization endurance, how many reps, sets, and at what intensity is needed? | 12-20 reps, 1-3 sets at a 50-70% intensity |
| For strength endurance, how many reps, sets, and at what intensity is needed? | 8-12 reps, 2-4 sets at a 70-80% intensity |
| For hypertrophy, how many reps, sets and at what intensity is needed? | 6-12 reps, 3-5 sets at a 75-85% intesity |
| For maximal strength, how many reps, sets and what intensity is needed? | 1-5 reps, 4-6 sets at a 85-100% intensity |
| For power, how many reps, sets and what intensity is needed? | 1-5 reps, 3-5 sets at a 85-100% intensity (strength) up to 10% body weight or 30-45% 1RM (Power)What |
| Progression continuum for stabilization? | Floor, sport beam, half foam roll, foam pad, balance disc, wobble board, bosu ball |
| Progression continuum for lower body? | Two legs stable, staggered-stance stable, single-leg stable, two-let unstable, staggered-stance unstable, single-let unstable |
| Progression continuum for upper body? | Two are, alternating arms, single arm, single-arm with trunk rotation |
| With someone who has pronation distortion syndrome, what are the shortened muscles? | Gastrocnemius, soleus, peroneals, adductors, iliotibial head, hip flexor complex, biceps femoris (short head) |
| With someone who has pronation distortion syndrome, what are the lengthened muscles? | Anterior tibialis, posterior tibialis, vastus medialis, gluteus medius/maximus, hip external rotators |
| With someone who has pronation distortion syndrome, what are the possible injuries that may have occurred? | Plantar fasciitis, posterior tibialis tendonitis (shin splints), patellar tendonitis, low-back pain |
| With someone who has lower crossed syndrome, what are the shortened muscles? | Gastrocnemius, soleus, hip flexor complex, adductors, latissimus dorsi, erector spinae |
| With someone who has lower crosses syndrome, what are the lengthened muscles? | Anterior tibialis, posterior tibialis, gluteus maximus/medius, trasversus abdominus, internal oblique |
| With someone who has lower crossed syndrome, what are the possible injuries? | Hamstring complex strain, anterior knee pain, low back pain |
| With someone who has upper crossed syndrome, what are the shortened muscles? | Upper trapezius, levator scapulae, sternocleidomastoid, scalenes, latissimus dorsi, teres major, subscapularis, pectoralis major/minor |
| With someone who has upper crossed syndrome, what are the lengthened muscles? | Deep cervical flexors, serratus anterior, rhomboids, mid-trapezius, lower trapezius, teres minor, infraspinatus |
| With someone who has upper crossed syndrome, what are the possible injuries? | Headaches, biceps tendonitis, rotator cuff impingement, thoracic outlet syndrome. |