origin, etc for practical

Short head: coracoid process

Long head: edge of glenoid cavity

Origin of Biceps brachii

Radial tuberosity (of radius)

Insertion of Biceps brachii

Flexes and supinates forearm

Action of Biceps brachii

Musculocutaneous nerve

Innervation of biceps brachii

Anterior surface of distal humerus (flanks deltoid tuberosity)

Origin of brachialis

Coronoid process of ulna

Insertion of brachialis

Flexes forearm

Action of brachialis

Musculocutaneous nerve

Innervation of brachialis

Close to pubic symphysis

Origin of adductor longus

Linea aspera

Insertion of of adductor longus

Adducts, flexes and medially rotates thigh

Action of of adductor longus

Obturator nerve

Innervation of of adductor longus

Ischium, pubis, and ischial tuberosity

Origin of adductor magnus

Linea aspera and adductor tubercle (just superior to medial femoral epicondyle)

Insertion of adductor magnus

Adducts, flexes, and medially rotates thigh, extends thigh

Action of adductor magnus

Ischial tuberosity (long head), linea aspera (short head)

Origin of biceps femoris

Head of fibula, lateral tibial condyle

Insertion of biceps femoris

Extends thigh, flexes lower leg

Action of biceps femoris

Sciatic nerve

Innervation of biceps femoris

Medial and lateral femoral condyles

Origin of gastrocnemius

Calcaneus via achilles tendon

Insertion of gastrocnemius

Plantarflexes foot, flexes lower leg

Action of gastrocnemius

Tibial nerve

Innervation of gastrocnemius

Lateral tibial condyle, proximal tibial shaft

Origin of tibialis anterior

Medial cuneiform (medial tarsal in 1st row) and 1st metatarsal

Insertion of tibialis anterior

Dorsiflexes foot

Action of tibialis anterior

Deep fibular nerve

Innervation of tibialis anterior

Tissue of eyelid

Insertion of orbicularis oculi

Closes eye

Action of orbicularis oculi

Facial nerve (CNVII)

Innervation of orbicularis oculi

Manubrium of sternum, medial part of clavicle

Origin of sternocleidomastoid

Mastoid process (temporal bone)

Insertion of Sternocleidomastoid

Flexes neck, rotates head

Action of Sternocleidomastoid

Spinal accessory nerve (CN XI)

Innervation of Sternocleidomastoid

Zygomatic arch, zygomatic bone

Origin of masseter

Angle and ramus of mandible

Insertion of masseter

Closes jaw (mandible elevation)

Action of masseter

Trigeminal nerve (CN V)

Innervation of masseter

Temporal fossa

Origin of temporalis

Cornoid process of mandible

Insertion of temporalis

Closes jaw

Action of temporalis

Trigeminal nerve (CN V)

Innervation of temporalis

Lateral 1/3rd of clavicle, acromion, and spine of scapula

Origin of deltoid

Deltoid tuberosity

Insertion of deltoid

Abducts arm

Action of deltoid

Axillary nerve

Innervation of deltoid

Supraspinous fossa

Origin of supraspinatus

Greater tubercle of humerus

Insertion of supraspinatus

Abducts arm

Action of supraspinatus

Suprascapular nerve

Innervation of supraspinatus

Infraspinous fossa

Origin of infraspinatus

Greater tubercle of humerus

Insertion of infraspinatus

Externally rotates arm

Action of infraspinatus

Suprascapular nerve

Innervation of infraspinatus

frontal and maxillary bones

origin of orbicularis oculi