due test day flashcards muscle group worksheets (or count your test twice, not recommended)
TRANSCRIPT
• Due Test Day
• Flashcards
• Muscle group worksheets
• (or count your test twice, not recommended)
• Organize your flashcards into groups
• FRIDAY
• WEAR CLOTHES/SHOES THAT ARE APPROPRIATE FOR PE
Pectoralis Minor
• Origin 3rd to 5th ribs • Insertion coracoid
process of scapula• Action Stabilizes
scapula and protracts • Innervation Medial
pectoral nerves;
Pectoralis Major
• Origin• Clavicular head: anterior
surface of medial half of clavicleSternocostal head: anterior surface of sternum, superior six costal cartilages
• Insertion intertubercular groove of humerus
• Action Horizontally Adducts and internally rotates humerus;
Deltoid
• Origin Lateral third of clavicle, acromion, and spine of scapula
• Insertion Deltoid tuberosity of humerus
• Action • Anterior part: flexes
Middle part: abducts armPosterior part: extends
• Innervation Axillary nerve (C5 and C6)
Biceps Brachii
• Origin• Short head: tip of coracoid
process of scapulaLong head: supraglenoid tubercle of scapula
• Insertion Tuberosity of radius and fascia of forearm via bicipital aponeurosis
• Action Supinates forearm and, when it is supine, flexes forearm
• Innervation Musculocutaneous nerve (C5 and C6 )
Brachialis
• Origin Distal half of anterior surface of humerus
• Insertion Coronoid process and tuberosity of ulna
• Action Major flexor of forearm -- flexes forearm in all positions primarily pronated
• Innervation Musculocutaneous nerve (C5 and C6)
Brachioradialis
• Origin Proximal 2/3 of lateral supracondyle ridge of humerus
• Insertion Lateral surface of distal end of radius
• Action Flexes forearm in a neutral position
• Innervation Radial nerve (C5, C6 and C7)
Coracobrachialis
• Origin Tip of coracoid process of scapula
• Insertion Middle third of medial surface of humerus
• Action Helps to flex and adduct arm
• Innervation Musculocutaneous nerve (C5, C6 and C7)
Trapezius
• Origin base of the occitpital bone & Spine
• Insertion Lateral third of clavicle, acromion, and spine of scapula
• Action superior fibers elevate, middle fibers retract, and inferior fibers depress scapula;
• Innervation Spinal root of accessory nerve (CN XI) (motor) and cervical nerves (C3 and C4) (pain and proprioception)
Rhomboid Major and Minor
• Origin• Minor: spinous
processes of C7 and T1 vertebraeMajor: spinous processes of T2 - T5 vertebrae
• Insertion Medial border of scapula from level of spine to inferior angle
• Action Retract scapula Innervation Dorsal scapular nerve ( C4 and C5)
Latissimus Dorsi
• Origin Spinous processes T7-T12 thoracolumbar fascia, iliac crest
• Insertion intertubercular groove of humerus
• Action adducts, and Internaly rotates humerus;
• Innervation Thoracodorsal nerve
Triceps Brachii
• Origin• Long head: infraglenoid
tubercle of scapulaLateral head: posterior surface of humerus, Medial head: posterior surface of humerus,
• Insertion Olecranon process of ulna
• Action • Chief extensor of elbow • Long Head extends the
Shoulder
Adductor Brevis
• Origin• inferior pubic ramus, • Insertion medial lip of
linea aspera of the Femur
• Action Adducts the thigh,
• Innervation obturator nerve
Gracilis
• Origin pubic symphysis, inferior ramus of pubis,
• Insertion Pes Anserine tendon with sartorious and semitendinosus (Tibia)
• Action adducts the thigh, Flexes the knee,
• Innervation Anterior division of obturator nerve
Pectineus
• Origin Pubic bone• Insertion Pectineal
line of femur• Action Adducts the
thigh and flexes the hip joint
• Innervation Femoral nerve
Adductor Longus
• Origin Pubic Bone• Insertion linea
aspera of the femur,• Action Adducts the
thigh, • Innervation Anterior
division of obturator nerve
Adductor Magnus
• Origin Ishial Tuberosity• Insertion linea aspera,
medial supracondylar ridge, and adductor tubercle
• Action Powerful thigh adductor
• Innervation Posterior division of obturator nerve innervates
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Vastus Medialis
• Origin medial lip of linea aspera of femur
• Insertion Medial base of quadriceps tendon
• Action Extends the knee
• Innervation femoral nerve
Vastus Intermedius
• Origin Superior 2/3 of anterior and lateral surfaces of femur
• Insertion Lateral border of patella
• Action Extends the knee
• Innervation femoral nerve
Vastus Lateralis
• Origin greater trochanter, of femur
• Insertion Lateral base and border of patella;
• Action Extends the knee
• Innervation femoral nerve
Rectus Femoris
• Origin anterior inferior iliac spine
• Insertion Base of patella to form the quadriceps femoris tendon
• Action Extends the knee & flexes the hip
• Innervation femoral nerve
Iliopsoas • Origin (2)• Psoas Major L1 - L5 • Iliacus iliac fossa of ilium• Insertion Lesser
trochanter• Action Flex the hip• Innervation Psoas from
direct fibers of L1 - L3 of lumbar plexus; Iliacus femoral nerve
Gluteus Maximus
• Origin Posterior ilium, sacrum and coccyx
• Insertion iliotibial band; also into the gluteal tuberosity of the femur
• Action Major extensor of hip joint
• Innervation Inferior gluteal nerve (L5, S1, S2)
Gluteus Medius
• Origin exterior iliac crest
• Insertion greater trochanter
• Action Major abductor of thigh
• Innervation Superior gluteal nerve (L4, L5, S1)
Gluteus Minimus
• Origin Dorsal ilium• Insertion greater
trochanter• Action Abducts • Innervation Superior
gluteal nerve (L4, L5, S1)
Tensor Fascia Lata
• Origin Anterior superior iliac spine
• Insertion Iliotibial band
• Action Abducts Innervation Superior gluteal nerve (L4, L5, S1)
Extensor Hallucis Longus
• Origin Anterior surface of the fibula Insertion distal phalanx of great toe
• Action Extends great toe and dorsiflexes ankle
• Innervation Deep peroneal nerve (L4, L5, S1)
• Origin Lateral condyle of fibula,
• Insertion middle and distal phalanges 2-5
• Action Extend toes 2 - 5 and dorsiflexes ankle
• Innervation Deep peroneal nerve (L4, L5, S1)
Extensor Digitorum Longus
Tibialis Anterior
• Origin Lateral condyle of tibia,
• Insertion 1st cuneiform and on base of first metatarsal
• Action Dorsiflexor of ankle
• Innervation Deep peroneal nerve (L4, L5, S1)
Peroneus Brevis
• Origin lateral fibular surface;
• Insertion Base of 5th metatarsal base
• Action Everts foot and weak plantar flexor
• Innervation Superficial peroneal nerve
Peroneus Longus
• Origin Head of fibula, • Insertion medial
cuneiform and lateral side of 1st metatarsal base
• Action Everts foot and weak plantar flexor
• Innervation Superficial peroneal nerve
Peroneus Tertius
• Origin fibular shaft surface
• Insertion Dorsal surface of the base of the fifth metatarsal
• Action Works with the extensor digitorum longus to dorsiflex and evert Innervation Deep peroneal nerve
Gastrocnemius
• Origin• Medial head medial
femoral condyle;• Lateral head lateral
femoral condyle• Insertion the Achilles
tendon, inserting on calcaneus
• Action Powerful plantar flexor of ankle
• InnervationTibial nerve (S1, S2)
Soleus
• Origin Posterior fibular head & Tibia, Insertion Achilles tendon, inserting on the calcaneal surface
• Action Powerful plantar flexor of ankle
• Innervation Tibial nerve (S1, S2)
Plantaris
• Origin lateral supracondylar line of distal femur
• Insertion calcaneal surface, just medial to Achilles tendon
• Action Plantar flexor of ankle; also flexes knee
• Innervation Tibial nerve (L5, S1, S2)
Tibialis Posterior • Origin Posterior aspect
of interosseous membrane, medial fibula,
• Insertion 2• superficial slip navicular
tuberosity• deeper slip plantar
sufraces of metatarsals 2 - 4 and second cuneiform
• Action Principal invertor of foot
• Innervation Tibial nerve (L4, L5)
Flexor Hallucis Longus
• Origin Inferior 2/3 of posterior surface of fibula, lower part of interosseous membrane
• Insertion Plantar surface of base of distal phalanx of great toe
• Action Flexes great toe, inverts the ankle
• Innervation Tibial nerve (S2, S3) (S2, S3)
Flexor Digitorum Longus
• Origin Posterior surface of tibia distal to popliteal line
• Insertion bases of 2nd - 5th distal phalanges
• Action Flexes toes 2 - 5; also helps in plantar flexion of ankle
• Innervation Tibial nerve (S2, S3) (S2, S3)
Semitendinosus
• Origin ischial tuberosity
• Insertion tibia (pes anserine tendon)
• Action Extends the hip and flexes the knee
• Innervation Tibial nerve
Semimembranosus
• Origin ischial tuberosity
• Insertion medial tibial• Action Extends the
hip, flexes the knee• Innervation Tibial
nerve
Biceps Femoris
• Origins (2)• Long head ischial
tuberosity; • short head linea aspera
of femur• Insertion Fibular head• Action Flexes the knee
and the long head also extends the hip joint
• Innervation Long head by tibial nerve; short head by common peroneal nerve
Sartorius
• Origin Anterior superior iliac spine
• Insertion tibia, with Gracillis and Semitendinosus
• Action Flexes and laterally rotates the hip joint and flexes the knee (Hackey Sack)
• Innervation Femoral nerve
Rectus Abdominis
• Origin Pubis Crest • Insertion Ribs (5th,
6th, & 7th) Xipoid Process
• Action Spine (Lumbar) Flexion
Innervation thoraco-abdominal nerves
Transverse abdominis
• Origin inner lip of the iliac crest
• Insertion• The muscle ends in front
in a broad aponeurosis, • Action providing thoracic
and pelvic stability • Innervation lower
intercostal nerves
Internal oblique
• Origin: Inguinal ligament, Iliac crest Insertion: Linea alba, Xiphoid process and the inferior ribs.
• Nerve: lower intercostal nerves
• Action: rotates the torso on the same side
External oblique
• Origin: Lower 8 Ribs• Insertion Iliac crest,
Inguinal Ligament• Nerve: lower 6
intercostal nerve + subcostal nerve
• Action: Rotates torso on the opposite side