muscle origins

Question 1

trapezius

Answer 1

Location: upper back
Origin: Occipital bone, cervical, thoracic spine
Movements: Superior–elevates scapula
Middle–adducts scapula
Inferior–adducts scapula

Question 2

Rhomboideus Major

Answer 2

Location: between shoulders, upper back
Origin: Spine
Movements: Elevates/adducts scapula

Question 3

Serratus Anterior

Answer 3

Location: Ribs
Origin: Superior ribs
Movement: Abducts scapula

Question 4

Pectoralis Major (flexor and adductor)

Answer 4

Origin: Clavicle, Sternum and costal cartilages of ribs
Insertion: Greater Tubercle and lateral lip of intertubercle sulcus of humerus

Question 5

Deltoid (abductor and Flexor)

Answer 5

Origin: Acromial extremity of clavicle, acromion of scapula
Insertion: deltoid tuberosity of humerus

Question 6

Latissimus Dorsi (extensor)

Answer 6

Origin: Spines, lumbar vertebre, crests of sacrum, illiac crest
Insertion: humerus

Question 7

Hamstrings (Flexors)

Answer 7

Origin: Lateral/medial condoyles of femur, capsul of knee
Inserion: Tibia

Question 8

Gastrocnemius (Flexor)

Answer 8

Lateral medial condoyle of femur/knee

Insertion: Calcaneus

Question 9

Sartorious (flexor)

Answer 9

Origin: Anterior Suprior Iliac Spine
Insertion: Medial surface of body of tibia

Question 10

Quadrieceps (Extensors)

Answer 10

Orignin: Linea aspera
Insertion: Patella via quad, tendons/ tibial tuberosity via patellar ligament

Question 11

Sartorius

Answer 11

Location: Anterior, lateral
Action: Flexes and abducts at hip
Flexes leg at knee joint

Question 12

Quads

Answer 12

Location: Anterior
Action at Hip: Flexes
Action at knee: extends

Question 13

Hamstrings

Answer 13

Location: Posterior
Acton at hip: Extends
Action at knee: Flex

Question 14

Tibialis Anterior (dorsiflexor)

Answer 14

Origin: lateral condoyle and body of tibia and interosseous membrane
Insertion: first metatarsal

Question 15

Fibularis Longus (Plantar flexor)

Answer 15

Origin: Head/Body of fibula
Insertion: 1st metatarsal

Question 16

Gastrocnemus (Plantar Flexor)

Answer 16

Origin: Lateral/Medial condoyle of femur/ capsule of knee
Insertion: Calcaneus

Question 17

Action of Gastrocnemius

Answer 17

Flexes leg at knee
Flexes foot at ankle
Crosses both knee and ankle joints

Question 18

Bicpes (Flexors)

Answer 18

Origin: Tubercle above glenoid cavity, caracoid process
Insertion: Radial tuberosity, biceps

Question 19

Triceps (Extensors)

Answer 19

Origin: Long head - tubercle, laterl-lat./post. of humerus. Infraglenoid tubercle
Insertion: Olecranon of ulna

Question 20

Tensor fasciae Latae (flexor and abductor)

Answer 20

Origin: Iliac crest
Insertion: Tibia by way of ilitibial tract

Question 21

Rector Femoris (flexor)

Answer 21

Origin: Iliac spine
Insertion: Datella via quad tendons

Question 22

Sartorius (flexor)

Answer 22

Origin: Anterior Superior Iliac spine
Instertion: Medial surface of body of tibia

Question 23

Iliopsoas (flexor)

Answer 23

Origin: Transverse process lumber erect.
Location: With iliac into lesser trochanter of femur

Question 24

Hamstrings (extensors)

Answer 24

Origin: Ischial tuberosity
Insertion: Head of fibula/ lateral condoyle of tibia. medial condoyle

Question 25

Gluteus maximus (Extensor)

Answer 25

Origin: Iliac crest, sacrum, coccyx Insertion: Iliotibia tract of fascia latae, linea aspera

Question 26

Gluteus medius (Abductor)

Answer 26

Origin: Ilium Insertion: Greater Trochanter of femur

Question 27

Adductoro group (adductor)

Answer 27

Origin: Pubis Instertion: Linea aspera of femur

Question 28

Plane Joints

Answer 28

Movements: back/ forth. side to side rotate against ex)bones at wrist and tarsal at ankle

Question 29

Hinge Joints

Answer 29

Movements: Angular Opening and closing motion | Ex) Knee, elbow and ankle

Question 30

Pivot Joints

Answer 30

Movements: rotate around own longitudinal axis | Ex) Shake head no

Question 31

Condyloid Joints

Answer 31

Movements: Around 2 axex and limited circumduction | Ex) Wrist

Question 32

Saddle Joints

Answer 32

Movements: around 2 axes and limited circumduction | Ex) carpometacarpal between carpus and metacarpal of thumb

Question 33

Ball and Socket

Answer 33

Movements: 3 axes. Flexion-extension abduction-adduction rotation Ex) shoulder and Hip