Summary of Trunk Muscle Movements Muscle Extends the vertebral

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Summary of Trunk Muscle Movements
Muscle
Extends
Flexes the Rotates the Laterally
the
vertebral
vertebral
flexes the
vertebral
column (3) column (3) vertebral
column (1)
column (3)
Compress
the
abdomen
(4)
Erector spinae (3)
Rectus abdominis (2)
External abdominal oblique
(4)
Internal abdominal oblique (4)
Transversus abdominis (1)
Summary of Respiratory and Pelvic Floor Muscles
Muscle
External intercostals (2)
Internal intercostals (1)
Diaphragm (2)
Abdominal muscles relax (1)
Pelvic floor muscles (2)
Raise ribs
(2)
Lower ribs
(1)
Increase
Support
thoracic
pelvic
volume (3) organs (1)
Voluntary
control of
urination
and
defecation
(1)
Summary of Scapula Movements
Muscle
Trapezius (4)
Rhomboideus major (2)
Rhomboideus minor (2)
Levator scapulae (1)
Serratus anterior (2)
Pectoralis minor (2)
Elevates
the
scapula
(2)
Depresses
the
Scapula
(2)
Retracts
(or fixes)
the
scapula
(3)
Protracts
the
scapula
(2)
Rotates
the
scapula
upward
(2)
Rotates
the
scapula
downward
(2)
Summary of Arm Movements
Muscle
Flexes the arm
(4)
Extends the arm
(5)
Abducts the arm
(2)
Adducts the arm
(4)
Pectoralis major (3)
Latissimus dorsi (2)
Deltoid (3)
Coracobrachialis (2)
Teres major (2)
Supraspinatus (1)
Triceps brachii (1)
Biceps brachii (1)
Summary of Rotator Cuff Movements
Muscle
Infraspinatus (1)
Teres minor (1)
Subscapularis (1)
Supraspinatus (1)
Laterally rotates the
arm (2)
Medially rotates the
arm (1)
Abducts the arm (1)
Summary of Forearm Movements
Muscle
Extends the
forearm (1)
Flexes the
forearm (3)
Pronates the
forearm (1)
Supinates the
forearm (2)
Triceps brachii (1)
Biceps brachii (2)
Brachialis (1)
Brachioradialis (1)
Anterior forearm
muscles (1)
Posterior forearm
muscle (1)
Summary of Wrist Movements
Muscle
Flex the wrist (1)
Extend the wrist (1)
Abduct/adduct
the wrist (2)
Anterior forearm
muscles (2)
Posterior forearm
muscle (2)
Summary of Hand Movements
Muscle
Anterior
forearm
muscles (1)
Posterior
forearm
muscles (2)
Intrinsic
hand
muscles (6)
Flex the
fingers and
thumb (2)
Extend the
fingers and
thumb (2)
Abduct the
thumb (2)
Adduct the
thumb (1)
Opposition
of thumb
and little
finger (1)
Reposition
of thumb
and little
finger (1)
Summary of Thigh Flexion/Extension
Muscle
Flexes thigh
(4)
Flexes trunk
(4)
Extends thigh
(3)
Extends trunk
(3)
Iliopsoas (2)
Tensor fasciae latae (2)
Rectus femoris (2)
Sartorius (2)
Gluteus maximus (2)
Hamstring muscles (2)
Biceps femoris
Semitendinosus
Semimembranosus
Adductor magnus (2)
Summary of Thigh Abduction/Adduction
Muscle
Tensor fasciae latae (2)
Gluteus maximus (1)
Gluteus medius (2)
Gluteus minimus (2)
Medial thigh muscles (1)
Pectineus
Adductor brevis
Adductor longus
Adductor magnus
Gracilis
Stabilizes knee
(1)
Prevents hip
sag (2)
Abducts thigh
(4)
Adducts thigh
(1)
Summary of Thigh Rotator Movements
Muscle
Laterally rotates the
thigh (2)
Medially rotates the
thigh (3)
Deep thigh rotators (1)
Gluteus maximus (1)
Gluteus medius (1)
Gluteus minimus (1)
Tensor fasciae latae (1)
Summary of Leg Movements
Muscle
Quadriceps femoris (1)
Rectus femoris
Vastus lateralis
Vastus medialis
Vastus intermedius
Hamstring muscles (1)
Biceps femoris
Semitendinosus
Semimembranosus
Sartorius (1)
Gracilis (1)
Flexes the leg (3)
Extends the leg (1)
Summary of Foot and Toe Movements
Muscle
Anterior leg
muscles (4)
Gastrocnemiu
s and soleus
(1)
Deep posterior
leg muscles
(3)
Lateral leg
muscles (1)
Intrinsic foot
muscles (4)
Dorsiflex the
foot (1)
Plantar
flex the
foot (2)
Invert
the foot
(2)
Evert
the foot
(2)
Flex
the toes
(2)
Extend
the toes
(2)
Abduct
the toes
(1)
Adduct
the toes
(1)

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