Lab exam 2 muscles (H&C)

Gluteus Maximus (H)

O: ilium & sacrum

I: gluteal tuberosity of femur

A: extends hip (primary mover)

Gluteus Medius (H)

O: ilium

I: femur

A: abducts hips

Iliopsoas (H)

O: iliac fossa of ilium; vertebrae T12-L3

I: lesser trochanter of femur

A: flex hip

Iliopsoas (C)

O: iliac fossa of ilium; vertebrae T12-L3

I: lesser trochanter of femur

A: flex hip

Sartorius (H)

O: anterior superior iliac spine of ilium

I: tibia

A: flex hip; laterally rotates hip

Sartorius (C)

O: anterior superior iliac spine of ilium

I: tibia

A: flex hip; laterally rotates hip

Adductor Magnus (H)

O: pubis; ischial tuberosity of ischium

I: femur

A:adduct hip

Adductor Magnus (C)

O: pubis; ischial tuberosity of ischium

I: femur

A:adduct hip

Gracilis (H)

O: pubis

I: tibia

A: adduct hip

Gracilis (C)

O: pubis

I: tibia

A: adduct hip

Sciatic Nerve (H)

Quadriceps Femoris (H)

O: different origins along the femur for each muscle

I: tibial tuberosity via patellar ligament

A: extend knee

Quadriceps Femoris (C)

O: different origins along the femur for each muscle

I: tibial tuberosity via patellar ligament

A: extend knee

Rectus Femoris (H)

O: femur

I: tibial tuberosity via patellar ligament

A: extend knee

Vastus Lateralis (H)

O: femur

I: tibial tuberosity via patella ligament

A: extend knee

Vastus Medialis (H)

O: femur

I: tibial tuberosity via patellar ligament

A: extend knee

Vastus Intermedius (H)

O: femur

I: tibial tuberosity via patellar ligament

A: extend knee

Biceps Femoris (H)

O: ischial tuberosity of ischium

I: lateral condyle of tibia

A: flexes knee

Biceps Femoris (C*)

O: ischial tuberosity of ischium

I: lateral condyle of tibia

A: flexes knee

Semitendinosus (H)

O: ischial tuberosity of ischium

I: medial condyle of tibia

A: flexes knee

Semitendinosus (C*)

O: ischial tuberosity of ischium

I: medial condyle of tibia

A: flexes knee

Semimembranosus (H)

O: ischial tuberosity of ischium

I: medial condyle of tibia

A: flexes knee

Semimembranosus (C*)

O: ischial tuberosity of ischium

I: medial condyle of tibia

A: flexes knee

Tibialis Anterior (C)

O: tibia

I: metatarsal I

A: dorsiflexion; ankle inversion

Tibialis Anterior (H)

O: tibia

I: metatarsal I

A: dorsiflexion; ankle inversion

Peroneus Longus (Fibularis Longus) (H)

O: fibula

I: metatarsal I

A: plantar flexion; ankle eversion

Peroneus Longus (Fibularis Longus) (C)

O: fibula

I: metatarsal I

A: plantar flexion; ankle eversion

Gastrocnemius (H)

O: lateral epicondyle of femur; medial epicondyle of femur

I: calcaneus via the calcaneal tendon (achilles tendon)

A: plantar flexion

Gastrocnemius (C)

O: lateral epicondyle of femur; medial epicondyle of femur

I: calcaneus via the calcaneal tendon (achilles tendon)

A: plantar flexion

Soleus (H)

O: tibia; fibula

I: calcaneus via the calcaneal tendon (achilles tendon)

A: plantar flexion

Soleus (C)

O: tibia; fibula

I: calcaneus via the calcaneal tendon (achilles tendon)

A: plantar flexion

Calcaneal Tendon (Achilles Tendon) (C)

Calcaneal Tendon (Achilles Tendon) (H)

Femoral Artery (H,C)

Femoral Vein (H,C)

Femoral Nerve (H,C)

External Intercostals (H)

O: inferior border of rib above

I: superior border of rib below

A: elevates ribs (during inhalation)

Internal Intercostals (H)

O: superior border of rib below

I: inferior border of rib above

A: depresses ribs (during forced exhalation)

Rectus Abdominis (H,C)

O: pubic symphysis

I: costal cartilages

A: flex trunk; compress abdomen

Rectus Abdominis (H,C)

O: pubic symphysis

I: costal cartilages

A: flex trunk; compress abdomen

External Oblique (H,C)

O: lower ribs

I: linea alba; inguinal ligament

A: flex trunk; compress abdomen

External Oblique (H,C)

O: lower ribs

I: linea alba; inguinal ligament

A: flex trunk; compress abdomen

Internal Oblique (H,C)

O: iliac crest of ilium

I: linea alba; inguinal ligament

A: flex trunk; compress abdomen

Internal Oblique (H,C)

O: iliac crest of ilium

I: linea alba; inguinal ligament

A: flex trunk; compress abdomen

Transverse Abdominis (H,C)

O: lumbar vertebrae

I: linea alba; inguinal ligament

A: flex trunk, compress abdomen

Transverse Abdominis (H,C)

O: lumbar vertebrae

I: linea alba; inguinal ligament

A: flex trunk, compress abdomen

Erector Spinae (H)

A: extend trunk

Linea Alba (H,C)

Linea Alba (H,C)

Tendinous Intersections (H)

Deltoid

O: spine of scapula

I: deltoid tuberosity of humerus

A: abducts shoulder

Anterior side:

- Pectoralis Major

O: sternum; upper costal cartilages

I: intertubercular groove of humerus

A: flex shoulder; adduct shoulder

Anterior side:

- Pectoralis Minor

O: ribs 3,4,5

I: coracoid process of scapula

A: protract scapula; depress scapula

Anterior side:

- Serratus Anterior

O: ribs 1-8

I: medial border of scapula

A: protract scapula

Rotator Cuff Muscles;

- Supraspinatus

O: supraspinous fossa of scapula

I: greater tubercle of humerus

A: stabilize humerus

Rotator Cuff Muscles;

-Infraspinatus

O: infraspinous fossa of scapula

I: greater tubercle of humerus

A: stabilizes humerus

Rotator Cuff Muscles;

- Subscapularis

O: subscapular fossa of scapula

I: lesser tubercle of humerus

A: stabilizes humerus; rotate shoulder medially

Rotator Cuff Muscles;

- Teres Minor

O: lateral border of scapula

I: greater tubercle of humerus

A: stabilizes humerus; rotates shoulder laterally

Posterior side:

- Trapezius

O: thoracic & cervical vertebrae; occipital bone

I: spine of scapula; clavicle

A: rotate scapula ; retract scapula

Posterior side:

- Rhomboideus

O: thoracic vertebrae

I: medial border of scapula

A: stabilize scapula; retract scapula

Posterior side:

- Teres Major

O: scapula

I: lesser tubercle of humerus

A: extend shoulder; adduct shoulder

Posterior side:

- Latissimus Dorsi

O: thoracic & lumbar vertebrae

I: intertubercular groove of humerus

A: extends shoulder (primary mover)

Deltoid *

O: spine of scapula

I: deltoid tuberosity of humerus

A: abducts shoulder

Anterior side:

- Pectoralis Major *

O: sternum; upper costal cartilages

I: intertubercular groove of humerus

A: flex shoulder; adduct shoulder

Anterior side:

- Pectoralis Minor

O: ribs 3,4,5

I: coracoid process of scapula

A: protract scapula; depress scapula

Anterior side:

- Serratus Anterior

O: ribs 1-8

I: medial border of scapula

A: protract scapula

Rotator Cuff Muscles;

- Supraspinatus

O: supraspinous fossa of scapula

I: greater tubercle of humerus

A: stabilize humerus

Rotator Cuff Muscles;

-Infraspinatus

O: infraspinous fossa of scapula

I: greater tubercle of scapula

A: stabilizes humerus

Rotator Cuff Muscles;

- Subscapularis

O: subscapular fossa of scapula

I: lesser tubercle of scapula

A: stabilizes humerus; rotate shoulder medially

Posterior side:

- Trapezius

O: thoracic & cervical vertebrae; occipital bone

I: spine of scapula; clavicle

A: rotate scapula ; retract scapula

Posterior side:

- Rhomboideus *

O: thoracic vertebrae

I: medial border of scapula

A: stabilize scapula; retract scapula

Posterior side:

- Teres Major

O: scapula

I: lesser tubercle of humerus

A: extend shoulder; adduct shoulder

Posterior side:

- Latissimus Dorsi

O: thoracic & lumbar vertebrae

I: intertubercular groove of humerus

A: extends shoulder (primary mover)

Anterior side:

- Biceps Brachii (H)

O: scapula

I: radial tuberosity of radius

A: flexes elbow

Anterior side:

- Biceps Brachii (C)

O: scapula

I: radial tuberosity of radius

A: flexes elbow

Brachialis

O: humerus

I: coronoid process of ulna

A: flexes elbow

Posterior side:

- Triceps Brachii (H)

O: humerus; scapula

I: olecranon process of ulna

A: extends elbow

Posterior side:

- Triceps Brachii (C)

O: humerus; scapula

I: olecranon process of ulna

A: extends elbow

Anterior side:

- Flexor Carpi Ulnaris

O: medial epicondyle of humerus

I: base of metacarpal V

A: flexes wrist; adducts wrist

Anterior side;

- Palmaris Longus

O: medial epicondyle of humerus

I: palmar aponeurosis

A: flexes wrist (weakly)

Anterior side;

- Flexor Carpi Radialis

O: medial epicondyle of humerus

I: base of metacarpals

A: flex wrist; abduct wrist

Anterior side:

- Pronator Teres

O: ulna

I: radius

A: pronates forearm

Anterior side:

- Brachioradialis

O: humerus

I: styloid process of radius

A: flexes elbow

Anterior side (deep):

- Flexor Digitorum Superficialis

O: medial epicondyle of humerus

I: middle phalanges of digits

A: flex finger

Anterior side:

- Flexor Retinaculum

Posterior side:

- Extensor Carpi Radialis

O: lateral epicondyle of humerus

I: base of metacarpal II

A: extend wrist; abduct wrist

Posterior side:

- Extensor Digitorum

O: lateral epicondyle of humerus

I: distal phalanges of fingers

A: extend fingers

Posterior side;

- Extensor Carpi Ulnaris

O: lateral epicondyle of humerus

I: base of metacarpal V

A: extend wrist; adduct wrist

Muscles of Palm;

- Thenar Muscles

A: flex thumb; adduct thumb

Muscles of Palm

- Palmar Muscles

A: Abduct fingers; adduct fingers; flex fingers

Anterior side:

- Flexor Carpi Ulnaris

O: medial epicondyle of humerus

I: base of metacarpal V

A: flexes wrist; adducts wrist

Anterior side;

- Palmaris Longus

O: medial epicondyle of humerus

I: palmar aponeurosis

A: flexes wrist (weakly)

Anterior side;

- Flexor Carpi Radialis

O: medial epicondyle of humerus

I: base of metacarpals

A: flex wrist; abduct wrist

Anterior side:

- Pronator Teres

O: ulna

I: radius

A: pronates forearm

Anterior side:

- Brachioradialis

O: humerus

I: styloid process of radius

A: flexes elbow

Anterior side (deep):

- Flexor Digitorum Superficialis

O: medial epicondyle of humerus

I: middle phalanges of digits

A: flex finger

Posterior side:

- Extensor Carpi Radialis

O: lateral epicondyle of humerus

I: base of metacarpal II

A: extend wrist; abduct wrist

Posterior side:

- Extensor Digitorum

O: lateral epicondyle of humerus

I: distal phalanges of fingers

A: extend fingers

Posterior side;

- Extensor Carpi Ulnaris

O: lateral epicondyle of humerus

I: base of metacarpal V

A: extend wrist; adduct wrist

Facial Expression;

Frontalis (H)

O: galea aponeurotica

I: skin of eyebrows

A: raises eyebrows