What is the extensor retinaculum?
the extensor retinaculum is a fibrous band that holds the extensor tendons in place and prevents bow-stringing
Identify a, b, c, and d.
a-gastrocnemius b-peroneus brevis c-Achilles tendon d-extensor digitorum longus
Give an example of a 1st class lever in the body.
nodding of the head
identify f, g, h and i.
f. triceps brachii, g. extensor carpi ulnaris, h. extensor carpi radialis longus, i. extensor retinaculum
Identify muscles E, F, G, and H.
E-rhomboideus major, F-levator scapulae, G-supraspinatus, H-infraspinatus
Identify the structures A, B, C, D, and E.
A-Pectoralis minor, B-External obliques, C-Internal obliques, D-transverus abdominus, E-Deltoid
What is the proper name of the "kissing" muscle?
orbicularis oris
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
define agonist and antagonist.
The agonist is the prime mover and the antagonist is the muscle that works against it.
Label I, J, K, L and M
I-masseter, J-orbicularis oris, K-buccinator, L-platysma, M-trapezius
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 h, i, j, k.
h.psoas major i.iliacus, j-sartoris, k-rectus femorus
Identify d, e, f and g.
d-gluteus maximus, e. adductor magnus f-semimembranosus g-semitendinosus
label N and O
N-lateral pterygoid, O-medial terygoid
What muscles are involved in mastication?
masseter, lateral pterygoid, medial pterygoid, temporalis
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
Identify l, m,and n.
l-gracilis, m-adductor longus, n-vastus medialis
Label A, B, C and D.
A-Deltoid, B-trapezius, C-subscapularis, D-biceps brachaii
Identify a, b, c, d and e
a. biceps brachii b. supinator c. brachioradialis d. pronator teres e. flexor carpi radialis
label E, F, G and H
E-temporalis, F-orbicularis oculi, G-Zygomaticus minor, H- Zygomaticus minor
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 muscles A, B, C, D.
A-Trapezius, B-deltoid. C-latissimus dorsi, D-rhomboideus minor
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
Identify I, J, K and L.
I-teres minor , J-deltoid, K-teres major, L-triceps brachaii
Identify structures F, G, H and I.
F-pectoralis major, G-linea alba, H-rectus abdominus, I-sheath covering the rectus abdominus
Identify a, b and c.
a. gluteus medius b. biceps femoris e. adductor magnus
What are synergists?
muscles that work together to create one movement.