NASM 7th Edition Overactive and Underactive Muscles

Over Head Squat Assessment (Foot turn out) - Overactive

Gastrocnemius/Soleus
Hamstrings

Over head squat assessment (Foot turn out) - Underactive

•Glutes
•Posterior and anterior tibialis

Knee Valgus - Overactive

•Tensor fascia latae
•adductor complex

Knee Valgus - Underactive

•Glutes
•Anterior and posterior tibialis

Over Head Squat Assessment Low back arches (Overactive Muscles)

•Hip flexors (rectus femoris, psoas, TFL)
•Lumbar extensors (low-back muscles)
•Latissimus dorsi (large back muscle)

Overhead Squat Low back arches (Underactive)

•Gluteus maximus
•Hamstrings complex
•Abdominals

Excessive forward lean (Overactive Muscles)

•Hip flexors
•Gastrocnemius/soleus
•Rectus abdominis and external obliques (superficial abdominal muscles)

Excessive forward lean (Underactive Muscles)

•Gluteus maximus
•Hamstrings complex
•Lumbar extensors

Arms fall forward (Overactive Muscles)

•Lattissimus Dorsi
•Teres Major,
•Perctoralis Major/Minor

Arms Fall Forward (Underactive)

•Middle and lower trapezius (mid-back muscle)
•Rhomboids (muscles near shoulder blades)
•Posterior deltoids (back of shoulder muscles)
•Portions of the rotator cuff (small muscles that stabilize the shoulder)

Single Leg Squat Assessment (Overactive)

•Tensor fascia latae (TFL)
•Adductor complex

Single Leg Squat Assessment (underactive)

•Glutes
•anterior and posterior tibialis

Pushing assessment Low back arches (Overactive Muscles)

•Hip flexors (rectus femoris, psoas, TFL)
•Lumbar extensors

Pushing Assessment Low back arches (underactive)

•Gluteus maximus
•Hamstrings complex
•Abdominals

Pushing Assessment shoulder elevation (overactive)

Levator scapulae (posterior neck muscles)
Upper trapezius

Pushing Assessment shoulder elevation (underactive)

•Lower trapezius

Pushing Assessment head hits forward (overactive)

•Levator scapulae
•Sternocleidomastoid (anterior neck muscles)

Pushing Assessment head hits forward (underactive)

•deep cervical flexors

Pulling Assessment Low Back Arches (overactive)

•Hip flexors (rectus femoris, psoas, TFL)
•Lumbar extensors

Pulling Assessment Low Back Arches (underactive)

•glutes
•hamstrings
•abdominals

Pulling Assessment shoulder elevation (overactive)

•Levator scapula
•Upper trapezius

Pulling Assessment shoulder elevation (underactive)

•Lower traps

Pulling assessment head juts forward (overactive)

•Levator scapulae
•Sternocleidomastoid

Pulling assessment head juts forward (underactive)

•deep cervical flexors