Identify structures F, G, H and I.
F-pectoralis major, G-linea alba, H-rectus abdominus, I-sheath covering the rectus abdominus
label N and O
N-lateral pterygoid, O-medial terygoid
Define the origin, the insertion and the belly of the muscle.
The origin is where it connects to the more stationary bone, the insertion is where it connects to the more movable bone, the belly is is the widest and contain
Give an example of a 1st class lever in the body.
nodding of the head
What is the extensor retinaculum?
the extensor retinaculum is a fibrous band that holds the extensor tendons in place and prevents bow-stringing
Identify d, e, f and g.
d-gluteus maximus, e. adductor magnus f-semimembranosus g-semitendinosus
define agonist and antagonist.
The agonist is the prime mover and the antagonist is the muscle that works against it.
identify f, g, h and i.
f. triceps brachii, g. extensor carpi ulnaris, h. extensor carpi radialis longus, i. extensor retinaculum
Identify h, i, j, k.
h.psoas major i.iliacus, j-sartoris, k-rectus femorus
Identify a, b, c, and d.
a-gastrocnemius b-peroneus brevis c-Achilles tendon d-extensor digitorum longus
label A, B, C, and D
A-frontalis, B-Occipitalis, C- sternocleidomastoid, D-posterior triangle
Identify e, f g and h..
e-tibialis anterior f-soleus g-extensor retinaculum, h-patellar tendon
What is the Linea alba?
A band of white fibrous tissue running down the middle of the abdominal wall from the base of the sternum to the top of the pelvis.
Identify a, b and c.
a. gluteus medius b. biceps femoris e. adductor magnus
Identify l, m,and n.
l-gracilis, m-adductor longus, n-vastus medialis
Identify muscles A, B, C, D.
A-Trapezius, B-deltoid. C-latissimus dorsi, D-rhomboideus minor
label E, F, G and H
E-temporalis, F-orbicularis oculi, G-Zygomaticus minor, H- Zygomaticus minor
Identify I, J, K and L.
I-teres minor , J-deltoid, K-teres major, L-triceps brachaii
Label A, B, C and D.
A-Deltoid, B-trapezius, C-subscapularis, D-biceps brachaii
Label I, J, K, L and M
I-masseter, J-orbicularis oris, K-buccinator, L-platysma, M-trapezius
What is the proper name of the "kissing" muscle?
orbicularis oris
Identify the structures A, B, C, D, and E.
A-Pectoralis minor, B-External obliques, C-Internal obliques, D-transverus abdominus, E-Deltoid
Give an example of the 2nd class lever in the body
The gastrocnemius pulling the Achilles tendon to cause a person to stand on tip toe
Give an example of a 3rd class lever in the body.
The bicep brachii pulling on the forearm near the elbow to raise the hand.
Identify a, b, c, d and e
a. biceps brachii b. supinator c. brachioradialis d. pronator teres e. flexor carpi radialis
Identify muscles E, F, G, and H.
E-rhomboideus major, F-levator scapulae, G-supraspinatus, H-infraspinatus
What muscles are involved in mastication?
masseter, lateral pterygoid, medial pterygoid, temporalis
What are synergists?
muscles that work together to create one movement.