Orgin, Insertion, Action of Muscles

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What ACTION does the Qaudriceps Femoris group perform?

flexes thigh & extends leg

Latissimus Dorsi INSERTION

greater tubercular sulcus of humerus

Biceps Brachii (Long & Short Head) INSERTION

radial tuberosity

Brachioradialis INSERTION

radius

Pectoralis Minor ORIGIN

ribs 3-5

Supraspinatus ORIGIN

supraspinous fossa of scapula

Brachioradialis ACTION

synergist in forearm flexion/ supernates the forearm

Sternocleidomastoid INSERTION

temporal bone (mastoid process)

Quadriceps Femoris group includes which muscles?

1. Rectus Femoris 2. Vastus Lateralis 3. Vastus Medalis 4. Vastus Intermedius

Trapezius INSERTION

1. acromion of scapula 2. spine of scapula 3. lateral end of clavicle

What muscles are part of the Hamstring group?

1. biceps femoris 2. semitendinosus 3. semimembranosus

Gluteus Maximus ORIGIN

1. iliac crest 2. sacrum 3. coccyx

Tibialis Anterior ORIGIN

1. lateral condyle 2. tibial shift

Deltoid ORIGIN

1. lateral head of clavicle 2. acromion of scapula 3. spine of scapula

Latissimus Dorsi ORIGIN

1. lower 6 thoracic vertebrae 2. lumbar vertebrae 3. iliac crest

Tibialis Anterior INSERTION

1. medial cuneiform 2. first metatarsal bone

Trapezius ORIGIN

1. occipital bone 2. spines of C7 3. thoracic vertebrae

Rectus Abdominis ORIGIN

1. pubic crest 2. symphysis

Pectoralis Major ORIGIN

1. sternal end of clavicle 2. sternum 3. cartilage of ribs 1-6

Rectus Abdominis INSERTION

1. xiphoid process 2. costal cartilages of ribs 5-7

Diaphragm ACTION

Breathing

Soleus INSERTION

Calcaneus via calceneal tendon

Masseter ACTION

Closes the Mouth

Gluteus Maximus ACTION

Extension of thigh & lateral rotation

Gastrocnemius ORIGIN

Femur

Gluteus Maximus INSERTION

Femur - greater trochanter

External Obliques ACTION

Flexes vertebral column & compresses abdomen (EO)

Internal Obliques ACTION

Flexes vertebral column & compresses abdomen (IO)

Rectus Abdominus ACTION

Flexes vertebral column & compresses abdomen (RA)

Transverse Abdominis

Flexes vertebral column & compresses abdomen (TA)

Brachialis ORIGIN

Humerus

Transverse Abdominis ORIGIN

Liliac Crest of Pelvis, ribs 5-10

Masseter INSERTION

Mandible

Masseter ORIGIN

Maxilla & Zygomatic Arch

External Obliques ORIGIN

RIbs 5-12

Transverse Abdominis INSERTION

Rib 12, L1 - L4

Rectus Abdominus INSERTION

Ribs 5-7 , sternum

Internal Obliques INSERTION

Ribs 7-10 & Linea Alba

Sternocleidomastoid ACTION

Tilt Head

Brachialis INSERTION

Ulna

Deltoid ACTION

abducts the arm

Supraspinatus ACTION

abducts the arm

Gastrocnemius INSERTION

calcaneus via calcaneal tendon

Pectoralis Minor INSERTION

coracoid process of the scapula

Deltoid INSERTION

deltoid tuberosity of humerus

Brachioradialis ORIGIN

distal humerus

Tibialis Anterior ACTION

dorsiflexion

Triceps Brachii (Medial, Long, Lateral) ACTION

extends forearm

Latissimus Dorsi ACTION

extends the arm

Extraocular ACTION

eye movement

Extraocular INSERTION

eyeball

Soleus ORIGIN

fibula & Tibia

Biceps Brachii (Long & Short Head) ACTION

flexes and supinates the arm

Brachialis ACTION

flexes forearm

Pectoralis Major ACTION

flexes the arm

What is the ACTION of the Hamstring group?

flexes the knee (leg)

Rectus Abdominis ACTION

flexes the vertebral column

Infraspinatus INSERTION

greater tubercle of humerus

Rectus Femoris ORIGIN

iliac spine of pelvis & femur

Vastus Intermedius ORIGIN

iliac spine of pelvis & femur

Vastus Lateralis ORIGIN

iliac spine of pelvis & femur

Vastus Medalis ORIGIN

iliac spine of pelvis & femur

Triceps Brachii (Long Head) ORIGIN

infraglenoid tubercle of scapula

Infraspinatus ORIGIN

infraspinous fossa of scapula

What is the ORIGIN of the Hamstring group?

ischial tuberosity

Biceps Femoris ORIGIN

ischial tuberosity of the pelvis

Semimembranosus ORIGIN

ischial tuberosity of the pelvis

Semitendinosus ORIGIN

ischial tuberosity of the pelvis

Teres Minor ORIGIN

lateral border of the scapula

Biceps Femoris INSERTION

lateral condyle of tibia

Teres Minor ACTION

laterally rotates arm (synergist to infraspinatus)

Infraspinatus ACTION

laterally rotates the arm

External & Internal intercostals ORIGIN

lower surface of ribs

Semitendinosus INSERTION

medial aspect of tibia

Semimembranosus INSERTION

medial condyle of tibia

Triceps Brachii (Medial, Long, Lateral) INSERTION

olecranon of ulna

Rectus Femoris INSERTION

patella and tibial tuberosity via patellar ligament

Vastus Lateralis INSERTION

patella and tibial tuberosity via patellar ligament

Vastus Medalis INSERTION

patella and tibial tuberosity via patellar ligament

Vastus Intermedius INSERTION

patellar ligament

Gastrocnemius ACTION

plantar flexion

Soleus ACTION

plantar flexion

Triceps Brachii (Lateral Head) ORIGIN

posterior shaft of humerus

Triceps Brachii (Medial Head) ORIGIN

posterior shaft of humerus

Pectoralis Minor ACTION

protracts and rotates scapula inferiorly

Rectus Abdominus ORIGIN

pubic bone of pelvis

External & Internal intercostals INSERTION

upper surface of ribs

Diaphragm INSERTION

Central Tendon

External & Internal intercostals ACTION

Changes volume of chest in breathing

Sternocleidomastoid ORIGIN

Clavical and sternum

Internal Obliques ORIGIN

Iliac Crest of Pelvis

External Obliques INSERTION

Iliac crest of pelvis & Linea Alba

Diaphragm ORIGIN

Ribs 7-12, sternum, lumbar vertebrae

Extraocular ORIGIN

Skull ( eye socket)

Pectoralis Major INSERTION

greater tubercle of humerus

Supraspinatus INSERTION

greater tubercle of humerus

Teres Minor INSERTION

greater tubercle of humerus

Biceps Brachii (Long Head only) ORIGIN

scapula


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