They should be concerned about his integument system. Skeletal would be bones respiratory would be breathing muscular would be muscle soreness.
22: 90
23: 13
24: (too blurry for me to read, I am so sorry!)
25: 3
26: (too blurry for me to read, I am so sorry!)
27: 3
28: 30
Not much explanation, just knowing how to read labels and where to look!
Hope this helps, have a nice day! :D
I'd say it's to set up a clear goal.
Knee raises work the obliques and hip flexors
Wall sits work the glutes and the core
Lunges work the calves, quads, hamstrings, and back muscles
Legs lifts work the glutes, and lower abdominal as well as obliques
Heel raises work your calves
Steps up work your quads, hamstrings, and glutes
Squats work the glutes, Maximus, minimus
Explanation: I’m a body builder