Basics
What term is used to describe the movement of the ankle that results in the top of the foot moving toward the anterior tibia in the sagittal plane?
dorsiflexion
The great toe has how many phalanges?
2
The MCL resists:
valgus stress
The gluteus maximus primarily performs:
Hip extension
The ACL resists:
anterior movement of the tibia on the femur
Movements in the transverse plane occur around the_________ axis.
vertical
The tibialis posterior is located in which compartment?
deep posterior
The vastus medialis attaches to the _________ aspect of the patella.
superior medial
Iliopsoas is located on the _______ side of the body and performs ________.
anterior; hip flexion
Dorsiflexion occurs at which joint?
talocrural
_________is the ability of muscle to be passively stretched beyond its normal resting length.
extensibility
A high ankle sprain involves which ligament?
Name the quadriceps muscles
Vastus Lateralis
Vastus Medialis
Vastus Intermedius
Rectus Femoris
The __________ muscle group has a common origin on the ischial tuberosity. Name the muscles in this group.
Hamstrings
Semimembranosus
Semitendinosus
Biceps femoris
When performing a biceps curl, the triceps brachii relax as the biceps contract. The triceps act as which type of muscle in this movement?
antagonist
Abduction takes place around the_________ axis.
Sagittal
What is the action of the dorsal interossei muscles?
toe abduction
Which muscle flexes the knee, extends the hip, and performs tibial external rotation?
Name a muscle that is an antagonist of the gluteus medius
adductor longus, brevis, magnus
gracilis
pectineus
A female volleyball player presents with anterior knee pain. Observation reveals an increased Q-angle and mild genu valgum. Which muscle should be emphasized to help improve patellar tracking and knee stability?
vastus medialis (oblique) - VMO
An instrument used to measure the change in joint angles is a(n)_________.
goniometer
What muscle has its insertion on the posterior medial surface of the calcaneus?
plantaris
Which muscle unlocks the knee from full extension?
popliteus
The iliofemoral ligament prevents:
hyperextension
Which of the following muscles are not antagonist of each other in all of their concentric actions?
Extensor digitorum longus, flexor digitorum longus
Flexor hallucis longus, extensor hallucis longus
Peroneus tertius, flexor digitorum longus
Tibialis anterior, peroneus brevis
Peroneus tertius, flexor digitorum longus