Definitions
What is an agonist?
The major muscle; prime mover
2. Belly: the thicker, middle region of muscle
3. Insertion: the attachment to mobile end of muscle
What are the five adductors acting on the hip?
- Pectineus
- Adductor brevus and longus
- Adductor magnus
- Gracilis
Where is the splenius capitis muscle? What are it’s functions?
- It is one of the deep layers of musculature of the back, located superiorly to the semispinalis muscle
- contribute to extension, rotation, and lateral flexion of the head and cervical spine
- External oblique
- Internal oblique
- Rectus abdominis
- Transverse abdominis
What are pennate muscles?
Fascicles insert obliquely on a tendon
- there are unipennate, bipennate, or multipennate
What is the four-headed muscle that attaches to the tibial tuberosity, and is also a two-joint muscle?
The Quadriceps femoris:
made up of:
- Vastus intermedius
- Rectus femoris
- Vastus lateralis
- Vastus medialis
What two muscles are antagonistic in flexion and extension, but synergistic in deduction?
The pectoralis major and the latissimus dorsi
What are the two major anterior scapular movers?
1. Pectoralis minor
2. Serratus anterior
- Intrinsic muscles are contained within a region such as the hand
- Extrinsic muscles are move the fingers but are found outside of the region
Seven:
- Deltoid, coracobrachialis, teres major, and the four rotator cuff muscles
How many muscles of mastication do you have? List them.
Four:
1. Temporalis
2. Masseter
3. Medial pterygoid
4. Lateral pterygoid
What are the four rotator cuff muscles?
- Supraspinatus
- Infraspinatus
- Subscapularis
- Teres minor