• Due Test Day
• Flashcards
• Muscle group worksheets
• (or count your test twice, not recommended)

• Organize your flashcards into groups

• Origin 3rd to 5th ribs
• Insertion coracoid process of scapula
• Action Stabilizes scapula and protracts
• Innervation Medial pectoral nerves;

• Origin
• Clavicular head: anterior surface of medial half of clavicle
Sternocostal head: anterior surface of sternum, superior six costal cartilages
• Insertion intertubercular groove of humerus
• Action Horizontally
Adducts and internally rotates humerus;

• Origin Lateral third of clavicle, acromion, and spine of scapula
• Insertion Deltoid tuberosity of humerus
• Action
• Anterior part: flexes
Middle part: abducts arm
Posterior part: extends
• Innervation Axillary nerve ( C5 and C6)

• Origin
• Short head: tip of coracoid process of scapula
Long 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 )

• 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 )

• 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)

• 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)

• 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)

• Origin
• Minor : spinous processes of C7 and T1 vertebrae
Major : 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 )

• Origin Spinous processes T7-T12 thoracolumbar fascia, iliac crest
• Insertion intertubercular groove of humerus
• Action adducts, and
Internaly rotates humerus;
• Innervation
Thoracodorsal nerve

• Origin
• Long head: infraglenoid tubercle of scapula
Lateral head : posterior surface of humerus,
Medial head: posterior surface of humerus,
• Insertion O lecranon process of ulna
• Action
• Chief extensor of elbow
• Long Head extends the
Shoulder

• Origin
• inferior pubic ramus,
• Insertion medial lip of linea aspera of the
Femur
• Action Adducts the thigh,
• Innervation obturator nerve

• 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

• Origin Pubic bone
• Insertion Pectineal line of femur
• Action Adducts the thigh and flexes the hip joint
• Innervation Femoral nerve

• Origin Pubic Bone
• Insertion linea aspera of the femur,
• Action Adducts the thigh,
• Innervation Anterior division of obturator nerve

• Origin Ishial Tuberosity
• Insertion linea aspera, medial supracondylar ridge, and adductor tubercle
• Action Powerful thigh adductor
• Innervation Posterior division of obturator nerve innervates

• Origin medial lip of linea aspera of femur
• Insertion Medial base of quadriceps tendon
• Action Extends the knee
• Innervation femoral nerve

• Origin Superior 2/3 of anterior and lateral surfaces of femur
• Insertion Lateral border of patella
• Action Extends the knee
• Innervation femoral nerve

• Origin greater trochanter, of femur
• Insertion Lateral base and border of patella;
• Action Extends the knee
• Innervation femoral nerve

• 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

• 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

• 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)

• Origin exterior iliac crest
• Insertion greater trochanter
• Action Major abductor of thigh
• Innervation Superior gluteal nerve (L4, L5,
S1)

• Origin Dorsal ilium
• Insertion greater trochanter
• Action Abducts
• Innervation Superior gluteal nerve (L4, L5,
S1)

• Origin Anterior superior iliac spine
• Insertion Iliotibial band
• Action Abducts
Innervation Superior gluteal nerve (L4, L5,
S1)

• 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)

• 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)

• Origin lateral fibular surface;
• Insertion Base of 5th metatarsal base
• Action Everts foot and weak plantar flexor
• Innervation
Superficial peroneal nerve

• 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

• 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

• Origin
• Medial head medial femoral condyle;
• Lateral head lateral femoral condyle
• Insertion the Achilles tendon, inserting on calcaneus
• Action Powerful plantar flexor of ankle
• Innervation Tibial nerve
(S1, S2)

• Origin Posterior fibular head & Tibia,
Insertion Achilles tendon, inserting on the calcaneal surface
• Action Powerful plantar flexor of ankle
• Innervation Tibial nerve (S1, S2)

• 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)

• 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)

• 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)

• 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)

• Origin ischial tuberosity
• Insertion tibia (pes anserine tendon)
• Action Extends the hip and flexes the knee
• Innervation Tibial nerve

• Origin ischial tuberosity
• Insertion medial tibial
• Action Extends the hip, flexes the knee
• Innervation Tibial nerve

• 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

• 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

• Origin Pubis Crest
• Insertion Ribs (5th,
6th, & 7th) Xipoid
Process
• Action Spine
(Lumbar) Flexion
Innervation thoracoabdominal nerves

• 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

• 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

• Origin: Lower 8 Ribs
• Insertion Iliac crest,
Inguinal Ligament
• Nerve: lower 6 intercostal nerve + subcostal nerve
• Action: Rotates torso on the opposite side