85 terms

Kinesiology - Muscles

Muscles of the whole body and their origin, insertion, action, and innervation.
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Iliopsoas
O: Iliacus - iliac fossa
Psoas major - anterior and lateral surfaces T12-L5
I: Lesser Trochanter
A: Hip flexion
N: Iliacus - femoral nerve
Psoas Major - L2-3
Rectus Femoris
O: AIIS
I: Tibial Tuberosity
A: Hip flexion, knee extension
N: Femoral Nerve, L2-L4
Sartorius
O: ASIS
I: Proximal medial aspect of tibia
A: Hip flexion, abduction, lateral rotation, and knee flexion
N: Femoral nerve L2-L3
Pectineus
O: Superior ramus of pubis
I: Pectineal line of femur
A: Hip flexion and adduction
N: Femoral nerve, L2-L4
Adductor Longus
O Pubis
I: Middle 1/3 linea aspera
A: hip adduction
N: Obturator nerve, L3-L4
Adductor Brevis
O: Pubs
I: Pectineal line and proximal linea aspera
A: Hip adduction
N: Obturator Nerve
Adductor Magnus
O: ischium and pubis
I: Entire linea aspera and adductor tubercle
A: hip adduction
N: Obturator and sciatic nerve
Gracilis
O: Pubis
I: Anterior medial surface of proximal end of tibia
A: Hip adduction
N: Obturator Nerve, L2-L3
Gluteus Maximus
O: Posterior sacrum and ilium
I: Posterior femur distal to greater trochanter
A: Hip extension, hyperextension, and lateral rotation
N: Inferior gluteal nerve, L5, S1, S2
Deep Rotator Muscles
O: Posterior sacrum, ischium, and pubis
I: Greater Trochanter Area
A: Hip lateral rotation
Hamstrings - Semitendinosus
O: ischial tuberosity
I: anteromedial surface of proximal tibia
A: Extend hip, flex knee
N: Sciatic nerve, L5, S1, S2
Hamstrings - Biceps Femoris
O: Long head: ischial tuberosity
short head: lateral lip linea aspera
I: Fibular head
A: Long head: extend hip, flex knee
Short head: flex knee
N: Long head: sciatic nerve, S1-S3
Short head: Common peroneal nerve, L5-S2
Hamstrings - Semimembranosus
O: Ischial tuberosity
I: Posterior surface of medial condyle of tibia
A: Extend hip, flex knee
N: Sciatic nerve, L5, S1, S2
Gluteus Medius
O: Outer ilium
I: Greater Trochanter
A: hip abduction
N: Superior gluteal nerve, L4, L5, S1
Gluteus Minimus
O: Lateral ilium
I: Anterior surface of the greater trochanter
A: HIp abduction and internal rotation
N: Superior gluteal nerve, L4, L5, S1
Tensor Fascia Latae
O: ASIS
I: Lateral condyle of tibia
A: hip flexion and abduction
N: Superior gluteal nerve, L4-L5
Vastus Lateralis
O: Linea aspera
I: Tibial tuberosity via patellar tendon
A: Knee Extension
N: Femoral nerve (L2, L3, L4)
Vastus Medialis
O: Linea aspera
I: Tibial tuberosity via patellar tendon
A: Knee extension
N: Femoral nerve (L2, L3, L4)
Vastus Intermedialis
O: Anterior femur
I: Tibial tuberosity via patellar tendon
A: Knee extension
N: Femoral nerve (L2, L3,L4)
Popliteus
O: Lateral condyle of femur
I: Posteriorly on medial condyle of tibia
A: Initiates knee flexion
N: Tibial nerve (L4, L5, S1)
Gastrocnemius
O: Medial and lateral condyles of femur
I: Posterior calcaneus
A: Knee flexion, ankle plantar flexion
N: Tibial nerve (S1, S2)
Soleus
O: Posterior tibia and fibula
I: Posterior calcaneus
A: Ankle plantar flexion
N: Tibial nerve (S1, S2)
Plantaris
O: Posterior lateral condyle of femur
I: Posterior calcaneus
A: very weak assist in knee flexion, ankle plantar flexion
N: Tibial nerve (S1, S2)
Tibialis Posterior
O: Interosseous membrane, adjacent tibia and fibula
I: Navicular and most tarsals and metatarsals
A: Ankle inversion, assists in plantar flexion
N: Tibial nerve (L5, S1)
Flexor Hallucis Longus
O: Posterior fibula and interosseous membrane
I: Distal phalanx of great toe
A: Flexes great toe, assists in inversion and plantar flexion of the ankle
N: tibial nerve (L5, S1, S2)
Flexor Digitorum Longus
O: Posterior Tibia
I: Distal phalanx of four lesser toes
A: Flexes the four lesser toes, assists in ankel inversion and plantar flexion
N: Tibial Nerve (L5, S1)
Tibialis Anterior
O: Lateral tibia and interosseous membrane
I: First cuneiform and metatarsal
A: Ankle inversion and dorsiflexion
N: Deep peroneal (L4, L5, S1)
Extensor Hallucis Longus
O: Fibula and interosseous membrane
I: Distal phalanx of great toe
A: Extends first toe, assists in ankle inversion, and dorsiflexion
N: Deep peroneal (L4, L5, S1)
Extensor Digitorum Longus
O: Fibula, interosseous membrane, tibia
I: Distal phalanx of four lesser toes
A: Extends four lesser toes, assists in dorsiflexion
N: Deep peroneal nerve (L4, L5, S1)
Peroneus Longus
O: Lateral proximal fibula and interosseous membrane
I: Plantar surface of first cuneiform and metatarsal
A: Ankle eversion and assists in plantar flexion
N: Superficial peroneal nerve (L4, L5, S1)
Peroneus Brevis
O: Lateral distal fibula
I: Base of 5th metatarsal
A: Ankle eversion and assists in plantar flexion
N: Superficial peroneal nerve (L4, L5, S1)
Peroneus Tertius
O: Distal medial fibula
I: Base of 5th metatarsal
A: Ankle eversion and dorsiflexion
N: Deep peroneal nerve (L4, L5, S1)
Rectus Abdominis
O: Pubis
I: Costal cartilage of ribs 5-7
A: Trunk flexion and compression of abdomen
N: Intercostal nerves 7-12
External Oblique
O: Lower 8 ribs laterally
I: Iliac crest and linea alba
A: Bilaterally: trunk flexion and compression of abdomen
Unilaterally: lateral flexion and rotation to opposite side
N: 8-12 intercostal, ilohypogastric and ilionguinal nerves
Internal Oblique
O: Inguinal ligament,, iliac crest, and thoracolumbar fascia
I: Ribs 10-12 and abdominal aponeurosis
A: Bilaterally: trunk flexion, compression of abdomen
Unilaterally: Lateral flexion and rotation to same side
N: 8-12 intercostal, iliohypogastric, and ilioguinal nerves
Transverse Abdominis
O: Inguinal ligament, iliac crest, thoracolumbar fascia, and last 6 ribs
I: abdominal aponeurosis and linea alba
A: Compression of abdomen
N: 7-12 intercostal, iliohypogastric, and ilioguinal nerves
Erector Spinae
O: Spinous processes, transverse processes, and ribs from the occiput to the sacrum and ilium
I: Same as origin
A: Bilaterally: Extend trunk
Unilaterally: Laterally bend trunk
N: Spinal nerves
Transversospinalis
O: Transverse processes
I: Spinous processes of vertebra above
A: Bilaterally: extend trunk
Unilaterally: rotate trunk to opposite side
N: Spinal nerves
Interspinales
O: Spinous processes below
I: Spinous processes above
A: Trunk extension
N: Spinal nerves
Intertransversarii
O: Transverse process below
I: Transverse process above
A: Trunk lateral bending
N: Spinal nerves
Quadratus Lumborum
O: Iliac crest
I: Rib 12, transverse processes L2-L5
A: Trunk lateral bending, hip hiking, or elevation
N: T12 and L1 nerves
Upper Trapezius
O: Occipital bone and nuchal ligament
I: Outer third of clavicle and acromion process
A: 1 degree of scapular elevation, upward rotation
N: Spinal accessory (Cranial nerve XI), C3 and C4 sensory component
Middle Trapezius
O: Spinous process C7-T3
I: Scapular spine
A: Scapular retraction
N:Spinal accessory (Cranial nerve XI), C3 and C4 sensory component
Lower Trapezius
O: Spnious processes of middle and lower thoracic vertebra
I: Base of scapular spine
A: 1 degree of scapular depression, upward rotation
N; Spinal accessory (Cranial nerve XI), C3 and C4 sensory component
Levator Scapula
O: Transverse processes C1-C4
I: Vertebral border of scapula between superior angle and spine
A: Scapular elevation and downward rotation
N: Third and fourth cervial nerves, dorsal scapular nerve
Rhomboid Muscle
O: Spinous processes C7-T5
I: Vertebral border of scapula between spine and inferior angle
A: Scapular retraction, elevation, and downward rotation
N: Dorsal scapular nerve
Serratus Anterior
O: Lateral surface of ribs 1-8
I: Vertebral border of scapula, anterior surface
A: Scapular protraction and upward rotation
N: Long thoracic nerve (C5, C6, C7)
Pectoralis Minor
O: Anterior surface, ribs 3-5
I: Coracoid process of scapula
A: Scapular depression, protraction, and downward rotation
N: Medial pectoral nerve (C8, T1)
Deltoid - Anterior
O: Lateral 1/3 of clavicle
I: Deltoid tuberosity
A: Flexion, IR, horizontal adduction, abduction
N: Axillary (C5, C6)
Deltoid - Middle
O: Acromion process
I: Deltoid tuberoisty
A: Abduction
N: Axillary (C5, C6)
Deltoid - posterior
O: Spine of scapula
I: Deltoid tuberosity
A: Extension, ER, horizontal abduction, abduction
N: Axillary (C5, C6)
Pectoralis Major
O: Clavicle portion: Medial 1/3 clavicle
Sternal portion: Sternum, costal cartilage ribs 1-6
I: Lateral lip bicipital groove
A: Clavicle portion: Shoulder flexion to 90 degrees
Sternal portion: shoulder extension to 90 degrees
Together: Shoulder adduction, IR, horizontal adduction
N: Lateral and medial pectoral, C5-T1
Latissimus Dorsi
O: Spinous processes (T7-L5) via thoracolumbar fascia, posterior surface of sacrum, iliac crest, and lower 3 ribs
I: Medial lip of bicipital groove of humerus
A: Shoulder extension, adduction, IR, hyperextension, elevate pelvis if arms are stabalized
N: Thoracodorsal (C6, C7, C8)
Teres Major
O: Axilary border of scapula near inferior angle
I: Crest below lesser tubercle next to the latissimus dorsi attachment
A: Shoulder extension, adduction, IR
N: Subscapular (C5, C6)
Supraspinatus
O: Supraspinious fossa of scapula
I: Greater tuberlce of humerus
A: Shoulder abduction
N: Suprascapular (C5, C6)
Infraspinatus
O: infraspinous fossa of scapula
I: Greater of tubercle of humerus
A: Shoulder ER, horizontal abduction
N: Suprascapular (C5, C6)
Teres Minor
O: Axillary border of scapula
I: Greater tubercle of humerus
A: Shoulder ER, horizontal abduction
N: Axillary (C5, C6)
Subscapularis
O: Subscapular fossa
I; lesser tubercle of humerus
A: Shoulder IR
N: Subscapular (C5, C6)
Coracobrachialis
O: Coracoid process of the scapula
I: Medial surface humerus, middle
A: Shoulder joint stabilization
N: Musculotaneous (C6, C7)
Brachialis
O: Distal 1/2 of humerus, anterior surface
I: Coronoid process and ulnar tuberosity of ulna
A: Elbow flexion
N: Musculotaneous (C5-C6)
Biceps Brachii
O: Long head: Supraglenoid tubercle
Short head; coracoid process
I: Radial tuberosity
A: Shoulder flexion, elbow flexion, forearm supination
N: Musculotaneous (C5-C6)
Brachioradialis
O: Lateral supracondylar ridge of the humerus
I: Styloid process of the radius
A: Elbow flexion
N: Radial (C5-C6)
Triceps Brachii
O: Long head: infraglenoid tubercle
Lateral head: inferior to greater tubercle of posterior humerus
Medial head: Posterior surface of humerus
I: Olecranon process of ulna
A: Elbow extension
N: Radial (C7-C8)
Anconeus
O: Lateral epicondyle of humerus
I: Lateral and inferior to olecranon process of ulna
A: Not a prime mover in any joint action
N: Radial (C7-C8)
Pronator Teres
O: Medial epicondyle of humerus and coronoid process of ulna
I: Lateral aspect of radius at its midpoint
A: Pronation, assists in elbow flexion
N: Median (C6, C7)
Pronator Quadratus
O: Distal 1/4 of ulna
I: Distal 1/4 of radius
A: Forearm pronation
N: Median (C8-T1)
Supinator
O: Lateral epicondyle of humerus and adjacent ulna
I: Anterior surface of proximal raidus
A: Forearm supination
N: Radial (C6)
Flexor Carpi Ulnaris
O: Medial epicondyle of humerus
I: Pisiform and base of 5th metacarpal
A: Wrist flexion and ulnar deviation
N: Ulnar (C8, T1)
Flexor Carpi Radialis
O: Medial epicondyle of humerus
I: Base of 2nd and 3rd metacarpals
A: Wrist flexion and radial deviation
N: Medain (C6, C7)
Palmaris Longus
O: Medial epicondyle of humerus
I: Palmar fascia
A: Assists wrist flexion
N: Median (C6, C7)
Extensor Carpi Radialis Longus
O: Supracondylar ridge of humerus
I: Base of 2nd metacarpal
A: Wrist extension and radial deviation
N: Radial (C6, C7)
Extensor Carpi Radialis Brevis
O: Lateral epicondyle of humerus
I: Base of 3rd metacarpal
A: Wrist extension and assists in radial deviation
N: Radial (C6, C7)
Extensor Carpi Ulnaris
O: Lateral epicondyle of humerus
I: Base of 5th metacarpal
A: wrist extensionand ulnar deviation
N: Radial (C6, C7, C8)
Flexor Digitorum Superficialis
O: Medial epicondyle of humerus and coronoid process and radius
I: Sides of the middle phalanx 2-5
A: Flexion of MCP and PIP joints 2-5th fingers and assist wrist flexion
N: Median (C7, C8-T1)
Flexor Digitorum Profondus
O: Upper 3/4 of ulna
I: Distal phalanx, 2-5
A: Flexion of all 3 joints of fingers 2-5
N: Median and ulnar nerves (C8, T1)
Extensor Digitorum
O: Lateral epicondyle of humerus
I: Base distal phalanx, 2-5
A: Extends all 3 joints of the fingers
N: Radial (C6, C7, C8)
Extensor Indicis
O: Distal ulna
I: Base distal phalanx of 2nd finger
A: Extend all joints of 2nd finger
N: Radial (C6, C7, C8)
Extensor Digiti Minimi
O: Lateral epicondyle of humerus
I: Base distal phalanx, 5th finger
A: Extension of all joints of 5th finger
N: Radial (C6, C7, C8)
Flexor Pollicis Longus
O: Anterior radius and interosseous membrane
I: Base of distal phalanx thumb
A; flexion of all joints of thumb
N: Median (C8, T1)
Abductor Pollicis Longus
O: Posterior radius, interosseous memberane, and middle ulna
I: Base 1st metacarpal on radial side
A: Thumb abduction at CMC joint
N: Radial (C6, C7)
Extensor Pollicis Brevis
O: Posterior distal radius
I: Base proximal phalanx of thumb
A: Thumb MCP extension
N: Radial (C6, C7)
Extensor Pollicis Longus
O: Middle posterior ulna and interosseous membrane
I: Base distal phalanx of thumb on posterior side
A: Extension all joints of thumb
N: Radial (C6, C7, C8)
Diaphragm Muscle
O: Xiphoid process, ribs, lumbar vertebrae
I: Central tendon
A: Inspiration
N: Phrenic nerve (C3, C4, C5)
External Intercostal
O: Rib above
I: Rib below
A: Elevate ribs
N: Intercostal nerve
Internal Intercostal
O: Rib below
I: Rib above
A: depress ribs
N: Intercostal nerve
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