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Biceps Brachii
Triceps Brachii
Latissimus Dorsi
Brachioradialis
Latissimus Dorsi
Longissimus
Brachialis
Coracobrachialis
Biceps Brachii
Rectus Femoris
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MUSCLE
REGION
ORIGIN
INSERTION
PRIMARY
ACTION
SECONDARY
ACTION
INNERVATION
superficial fibular (peroneal) nerve
(L5, S1)
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Ankle eversion
tuberosity on base of 5th metatarsal
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lateral distal 2/3 fibula
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Lower Limb
Fibularis (peroneus) Brevis
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deep fibular (peroneal) nerve
(L5, S1)
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Ankle dorsiflexion
2nd to 5th MTP extension, 2nd to 5th IP extension
base of 2nd to 5th middle phalanx via dorsal digital expansions, base of 2nd to 5th distal phalanx via dorsal digital expansions
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proximal 2/3 anterior fibula, adjacent interosseous membrane, lateral condyle of tibia
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Lower Limb
Extensor Digitorum Longus
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deep fibular (peroneal) nerve
(L5, S1)
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1st IP extension
1st MTP extension
base of proximal phalanx of digit 1
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anterior part of dorsal surface of calcaneus
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Lower Limb
Extensor Hallucis Brevis
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dorsal rami of adjacent spinal nerves
(C2, C3, C4, C5, C6, C7, C8, T1, T2, T6, T7, T8, T9, T10)
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contralateral thoracic to cervical rotation
thoracic to cervical extension
spinous processes of C6 to T2, spinous processes of C2 to C6, occipital bone between superior & inferior nuchal lines
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Transverse processes of T6 to T10, transverse processes of T1 to T6, articular processes of C4 to C7
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Torso
Semispinalis
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dorsal rami of adjacent spinal nerves
(C1, C2, C3, C4, C5, C6, C7, C8, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, L1, L2, L3, L4, L5)
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Ipsilateral lumbar to cervical lateral flexion, Ipsilateral lumbar to cervical rotation
lumbar to cervical extension
Transverse processes of T1 to T12, ribs 3 to 12, transverse processes of C2 to C6, mastoid process of temporal bone
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Spinous processes T11 to L5, iliac crest, sacral ligaments, transverse processes of L1 to L5, thoracolumbar fascia, transverse processes of T1 to T6, articular processes of C4 to C7
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Torso
Longissimus
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anterior rami of L1 to L4
(L2, L3)
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Hip flexion
lesser trochanter of femur, Capsule of hip joint
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bodies and transverse processes of T12 to L5, T12 to L5 intervening intervertebral discs
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Lower Limb, Torso
Psoas Major
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ventral rami of adjacent spinal nerves
(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12)
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Inspiration
Upper border of the 2nd to 12th ribs
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Lower border of 1st to 11th ribs
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Torso
Intercostals
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Medial pectoral nerve, Lateral pectoral nerve
(C6, C7, C8)
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Scapula medial rotation, Scapula depression
Scapula protraction
Coracoid process
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3rd to 5th ribs, 3rd to 5th intercostal fascia
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Upper Limb, Torso
Pectoralis Minor
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Medial pectoral nerve, Lateral pectoral nerve
(C5, C6, C7, C8, T1)
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Shoulder flexion, Shoulder extension
Shoulder adduction, Shoulder internal rotation
Lateral lip of the intertubercular groove of the humerus
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Medial 1/2 anterior clavicle, Anterior manubrium, Body of the sternum, Anterior 1st to 6th ribs, Aponeurosis of the external oblique
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Upper Limb, Torso
Pectoralis Major
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Musculocutaneous nerve
(C5, C6)
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Forearm supination, Shoulder flexion
Elbow flexion
Radial tuberosity, Bicipital aponeurosis
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Corocoid process, Supraglenoid tubercle
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Upper Limb
Biceps Brachii
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deep fibular (peroneal) nerve
(L5, S1)
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Ankle dorsiflexion
1st MTP extension, 1st IP extension
dorsal surface of base of 1st distal phalanx
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middle 1/2 anterior fibula, adjacent interosseous membrane
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Lower Limb
Extensor Hallucis Longus
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tibial nerve
(S1, S2)
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Knee flexion
Ankle plantarflexion
posterior calcaneus via tendocalcaneus
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medial and lateral femoral condyles, capsule of knee joint
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Lower Limb
Gastrocnemius
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MUSCULOSKELORDLE
Upper Limb Mode
Abductor Digiti Minimi
Lower Limb
Abductor Digiti Minimi
Upper Limb
Abductor Hallucis
Lower Limb
Abductor Pollicis Brevis
Upper Limb
Abductor Pollicis Longus
Upper Limb
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